The lifetime deal market has its own vocabulary — terms that appear in deal listings, community discussions, and evaluation guides that can be confusing for first-time buyers and occasionally ambiguous even for experienced ones. This glossary defines every term you are likely to encounter, with enough context to understand not just what the term means but why it matters for making good purchasing decisions.
Entries are organised alphabetically. Terms that appear in bold within a definition are themselves defined elsewhere in this glossary.
A
- AppSumo
- The dominant marketplace for SaaS lifetime deals, founded in 2010. AppSumo curates deals from software vendors, provides a standardised listing format including community Q&A, and offers a 60-day money-back guarantee on purchases. AppSumo is the benchmark platform against which other LTD platforms are typically measured. Also operates AppSumo Originals (tools developed or exclusively distributed by AppSumo) and AppSumo Plus (a membership tier with additional discounts).
- Activation
- The process of redeeming a code on the vendor's platform to unlock the lifetime deal access you purchased. Activation is a distinct step from the platform purchase — after buying through AppSumo or similar, you must separately activate the code on the vendor's own website to begin using the product. Codes that are never activated are a common source of refund window loss (the window runs from purchase date, not activation date).
- Annual plan
- A subscription pricing model where you pay for 12 months of access at once, typically at a 15–40% discount versus equivalent monthly billing. Annual plans occupy the middle ground between monthly subscriptions (maximum flexibility, highest per-month cost) and lifetime deals (one-time payment, no ongoing cost). See the LTD vs annual plan comparison guide.
- API access
- The ability to connect a tool to other software programmatically through its Application Programming Interface. In LTD contexts, API access is frequently gated at higher tiers — Tier 1 may provide the product's core functionality while API access is a Tier 2 or Tier 3 feature. Important to verify explicitly if your workflow requires automation or integration with other tools beyond native connections.
- AppSumo Plus
- AppSumo's paid membership tier ($99/year as of the time of this guide). Members receive an additional 10% discount on deals, early access to new deals, and other benefits. For frequent LTD buyers, the membership fee typically pays for itself with the discount on a moderate purchase volume.
B
- Break-even period
- The number of months of use at which the cost of the lifetime deal equals what you would have paid for an equivalent subscription during the same period. Calculated as: LTD price ÷ equivalent monthly subscription cost. After the break-even, every additional month of use represents accumulated savings. See the complete financial calculation guide for the adjusted formula that accounts for hidden costs and accurate subscription comparison pricing.
- Burn rate (vendor context)
- In the LTD evaluation context, a vendor's burn rate refers to how quickly the company is spending its revenue — including LTD campaign revenue — on infrastructure, team, and operations. A high burn rate relative to ongoing revenue is a company longevity risk factor. Experienced LTD buyers ask questions in the Q&A that probe the company's funding model and runway as part of due diligence.
C
- Campaign
- A limited-time offering period during which a specific lifetime deal is available for purchase. Most AppSumo campaigns run for 2–4 weeks. After the campaign closes, the deal is no longer available at lifetime pricing. Code stacking is only possible during an active campaign.
- Changelog
- A public record of product updates, features added, and bugs fixed, maintained by the vendor. A consistent, substantive changelog is a strong signal of active product development. The absence of changelog entries for extended periods is an early warning sign that development has slowed, which is one of the first indicators of potential company trouble. Look for changelogs on the vendor's website, typically at /changelog, /updates, or /releases.
- Code (redemption code)
- The alphanumeric key provided after purchasing a lifetime deal, used to activate access on the vendor's platform. Each code corresponds to one unit of the deal (typically one tier level or one code-stack increment). Codes must be redeemed on the vendor's platform — the AppSumo purchase alone does not grant product access. Store codes securely; they may be needed for account recovery.
- Code stacking
- Purchasing multiple codes for the same lifetime deal during the active campaign to unlock higher tiers, more seats, or additional features. For example, buying two codes may double your seat count or upgrade your account to Tier 2. Stacking is only possible during the active campaign — once the campaign closes, additional codes cannot be purchased at lifetime pricing. See the complete stacking guide.
- Community (LTD community)
- The collective of buyers, enthusiasts, and vendors who participate in the lifetime deal market through forums, Reddit (r/AppSumo), dedicated Facebook groups, and platform Q&A sections. The LTD community has a long memory for vendor track records and produces collective intelligence about deal quality that is difficult to find elsewhere. Engaging with the community before purchasing is one of the highest-value due diligence steps available.
D
- Data portability
- The ability to export your data from a SaaS tool in standard formats (CSV, JSON, XML) that can be imported into other tools. High data portability means you can always leave a tool with your data intact; low data portability means you are increasingly locked into a specific vendor as your data accumulates. Always verify data portability before purchasing any tool where you will accumulate significant data over time — particularly CRMs, email marketing platforms, and project management tools.
- Dealify
- An LTD marketplace focused on design, marketing, and creative tools, popular with agencies and designers. Typically offers a 30-day refund window and a curated catalogue skewed toward creative professional tools. A meaningful alternative to AppSumo for buyers in these specific categories.
- De minimis (safe harbour)
- In tax contexts, the threshold below which a purchase can be immediately expensed rather than requiring capitalisation. The US IRS de minimis safe harbour allows businesses to expense purchases below $2,500 per item. LTD purchases below this threshold are typically immediately deductible as operating expenses in the year of purchase. Thresholds vary by jurisdiction — see the tax implications guide.
- Due diligence
- The research process conducted before purchasing a lifetime deal to assess the vendor company's stability, the product's quality, the deal's terms accuracy, and the financial case. Includes company founding team verification, product trial, community signal research, and financial break-even calculation. The complete due diligence guide covers the four-phase research workflow in detail.
E
- E-E-A-T
- Experience, Expertise, Authoritativeness, Trustworthiness — Google's quality evaluation framework for content. In the LTD context, EEAT signals in a vendor's marketing and community communication (demonstrable expertise in their domain, transparent founder identities, genuine user testimonials) are positive company credibility signals. Weak EEAT — anonymous team, vague product history, generic marketing language — is a mild risk indicator in the evaluation process.
F
- Feature gating
- Restricting access to specific features behind higher tiers or subscription upgrades. Common in LTDs — Tier 1 may include core functionality while API access, white-labelling, advanced reporting, or SSO are gated at higher tiers or excluded from LTD access entirely. Feature gating creates the risk that features shown prominently in marketing materials or demo videos are not actually included at the purchased tier. Always verify the tier feature table explicitly for any feature you consider essential.
- Founders (founding team)
- The individuals who built and lead the company behind an LTD product. In the LTD evaluation context, founder credibility — verifiable professional histories, relevant domain expertise, prior track record with LTD buyers — is one of the strongest predictors of long-term deal quality. Unverifiable or anonymous founding teams are a meaningful risk factor. See the founder reputation guide.
G
- Grandfathering
- Honouring terms established at the time of a purchase even after those terms change for new customers. In the LTD context, grandfathering refers to vendors maintaining the access level and features included in the original lifetime deal for existing buyers even as they restructure tiers, add features to subscription-only access, or change their pricing model. Good grandfathering practices are a mark of a vendor who honours their LTD commitments; removing grandfathered benefits is a breach of the original deal terms.
L
- Lifetime deal (LTD)
- A one-time payment for perpetual access to a SaaS product, typically offered during a limited campaign period at a significant discount to equivalent subscription pricing. Despite the "lifetime" framing, access lasts for the operational lifetime of the product — if the vendor closes, access ends. See what is a SaaS lifetime deal for the full mechanics.
- LTD buyer
- Someone who purchases lifetime deals. In the vendor-buyer relationship, LTD buyers represent a distinct customer segment from subscription customers: they paid once and generate no ongoing revenue, creating different support and product investment incentives. Experienced LTD buyers understand this dynamic and factor it into their evaluation of vendor support commitments and long-term product investment signals.
M
- Maximum stack
- The maximum number of codes that can be combined for a single account through code stacking. Always specified in the deal listing. Defines the ceiling of what can be achieved through the LTD for that product — if the maximum stack is 3 codes covering 15 seats and you project needing 20 seats, this deal cannot serve your full requirements through LTD pricing alone. Check the maximum stack before any purchase where you plan to stack.
- MRR (Monthly Recurring Revenue)
- The predictable monthly revenue a SaaS company generates from active subscribers. In LTD evaluation contexts, a vendor with strong MRR has a revenue base independent of LTD campaign revenue that funds ongoing infrastructure and development. A vendor whose primary or sole revenue source is LTD campaigns faces structural sustainability challenges. Asking about MRR in the deal Q&A is legitimate due diligence — the response (or non-response) is informative.
P
- Perpetual license
- A one-time payment for the permanent right to use a specific version of locally-installed software. Unlike a lifetime deal, a perpetual license gives you an owned copy of the software that continues to function if the vendor closes. Unlike a lifetime deal, it does not include updates — you receive the version you purchased and must pay for future major versions. See the LTD vs perpetual license comparison.
- PitchGround
- An LTD marketplace with a community-funding model where buyers can invest in products pre-launch. Typically offers a 30-day refund window. Known for earlier-stage products than AppSumo, which means potentially higher upside for well-chosen deals and higher risk from less-proven products.
Q
- Q&A (Questions and Answers)
- The community question-and-answer section of an LTD listing where buyers ask questions and (ideally) vendors respond. The Q&A is one of the highest-value due diligence resources available for any deal — experienced buyers search it for questions about limitations, future features, support quality, and company finances before purchasing. The quality of vendor responses in the Q&A is itself a signal about the vendor's communication style and customer relationship orientation. See the ten essential Q&A questions in the due diligence guide.
R
- Redemption
- See Activation.
- Refund window
- The period after purchase during which a buyer can request a refund, typically without requiring justification. AppSumo's refund window is 60 days from purchase date — the gold standard in the LTD market. The refund window runs from the purchase date, not the activation date. Buyers who fail to activate and test within the window risk discovering problems after the window has closed. See the complete refund policy guide.
- Roadmap
- The vendor's stated plan for future product development — features to be built, improvements to be made, integrations to be added. In LTD contexts, roadmap commitments are marketing-level promises rather than contractual guarantees. Features promised on a roadmap may not arrive, may arrive in modified form, or may be gated at subscription tiers rather than included in LTD access. Distinguish between roadmap promises (aspirational) and written deal terms (contractual).
S
- SaaS (Software as a Service)
- Software delivered as a cloud-hosted service accessed via browser or app, rather than as locally-installed software. SaaS products require the vendor's servers to remain operational for continued access. This is the fundamental distinction from perpetual license software — if the vendor closes, SaaS access ends, while installed software continues running. The lifetime deal market almost entirely covers SaaS products.
- SCIM (System for Cross-domain Identity Management)
- A protocol for automating user account management — provisioning, de-provisioning, and updating user accounts from a central identity system. Required by enterprise IT governance for managing large user populations. Almost never included in LTD tiers; typically an enterprise subscription feature. Relevant primarily in the LTD vs enterprise pricing context.
- Seat
- A user account included in a tier's access allocation. Seat-based tiers are the most common LTD tier structure — Tier 1 might include 3 seats, Tier 2 might include 10 seats. Each seat can be assigned to one user. The seat count at your LTD tier defines the maximum number of people who can actively use the product simultaneously. Always evaluate seat counts against your current team and 18-month projected team size, not just current users.
- Shelf-ware
- Software that has been purchased but is not actively used — sitting "on the shelf" unused despite the investment. A significant proportion of LTD purchases become shelf-ware, most commonly because the tool was bought for a hypothetical future need rather than a current active one, or because post-purchase onboarding and habit formation never got established. Avoiding shelf-ware is the central concern of the getting value from your LTD guide.
- SLA (Service Level Agreement)
- A contractual commitment to defined service standards — typically uptime guarantees, support response times, and remedy terms for failures to meet those standards. Enterprise subscription tiers include SLAs with financial penalties for breaches. LTD purchases do not include SLAs — service quality is best-effort. The absence of an SLA is an acceptable tradeoff for most small business and individual LTD use cases, but may not be acceptable for mission-critical tools where downtime has direct business costs.
- SOC 2 Type II
- A security audit certification demonstrating that a company's systems meet defined standards for security, availability, and processing integrity. Required by many enterprise and regulated-industry procurement processes. Almost never achieved by early-stage LTD companies at the time of their campaign. A dealbreaker for any enterprise use case requiring vendor security certification.
- SSO (Single Sign-On)
- Authentication technology allowing users to log in to multiple applications with a single set of credentials, managed through a central identity provider (Okta, Azure AD, Google Workspace). Required by enterprise IT governance for centralised user management. Typically a premium or enterprise-only feature in LTDs — verify explicitly if SSO is required for your organisational setup.
- An LTD marketplace that distributes deals through both its own platform and media partnerships with major publications. Refund policies and deal curation standards vary more than AppSumo. Useful as an alternative source for deals in specific categories.
- Stacking
- See Code stacking.
T
- Tier
- One of several pricing levels available within a single lifetime deal, typically offering progressively more seats, higher usage limits, or additional features. Tier 1 is the entry-level option; higher tiers offer more. The specific dimensions that differentiate tiers vary by deal — some use seat counts, others use feature access, others use usage volume. Always evaluate which tier genuinely matches your current and 18-month projected needs. See the complete tier guide.
U
- Usage limits
- Caps on how much you can do within a tier — number of emails sent per month, API calls per month, storage consumed, projects created, subscribers stored, etc. Usage limits are one of the most common sources of post-purchase surprise in LTDs, particularly when buyers project future usage inaccurately. Always map every stated usage limit against your projected 18-month usage before purchasing.
W
- White-labelling
- The ability to present a tool to end users (clients, customers) under your own brand rather than the vendor's brand — removing the vendor's logo and replacing it with your own. A premium feature frequently reserved for the highest LTD tier or excluded from LTD access entirely. Particularly important for agencies and resellers who use tools to serve clients. Verify explicitly if white-labelling is required for your use case.
- WHOIS
- A public database recording domain name registration information, including the date a domain was first registered. Used in LTD due diligence to verify when a company's website domain was registered — a proxy for the company's founding date. A domain registered recently for a company claiming several years of history is a discrepancy worth investigating. Available at freely accessible WHOIS lookup tools.
Using this glossary with the broader guide series
This glossary is designed to work alongside the comprehensive article series on SaaS lifetime deals available at HaveSaaS. When you encounter an unfamiliar term in any of those guides, return here for the definition and follow the links to deeper exploration where relevant.
For the full evaluation framework — from first-time buyer guidance through advanced due diligence and portfolio management — start with the complete SaaS lifetime deals buyer's guide.
Related guides in this series
- The complete SaaS lifetime deals buyer's guide — the pillar resource this glossary supports
- What is a SaaS lifetime deal? — foundational mechanics behind many glossary terms
- The complete pre-purchase checklist — applying many of these terms in a structured evaluation process
- How to do due diligence on a SaaS lifetime deal — the research process behind due diligence, WHOIS, MRR, and related terms
- The future of SaaS lifetime deals — how market evolution may change the meaning and relevance of many terms here


