LTV is how much money one customer brings in over the whole time they stay, not just on the first purchase. A subscriber paying 20 a month for ten months has an LTV of 200. Advertisers use it to decide how much they can afford to pay you per customer, so it quietly sets the ceiling on every payout you see.
Lifetime value (LTV, also customer lifetime value or CLV) is the total revenue, or more strictly the total margin, a customer is expected to generate over their relationship with a business. The simplest estimate is average revenue per period × average number of periods; a subscription with 29 USD monthly payments and a typical lifetime of seven months has an LTV of about 203 USD. More careful versions use margin instead of revenue, discount future payments, and model churn as a curve rather than a single average, because most customers leave early and a minority stays for years.
LTV is the advertiser’s side of every affiliate deal. A business that knows a customer is worth 200 USD can pay up to that for acquisition and still break even; in practice it targets a fraction of it, which is where the CPA on the offer page comes from. The same number sets the RevShare percentage: the advertiser decides how much of future revenue it can share and still keep its own margin. When you see a payout rise or fall, it is usually because the advertiser has re-estimated LTV for the traffic it is getting.
LTV is measured in cohorts: all users acquired in a given week or month, followed over time. The curve of cumulative revenue per user flattens as churn removes payers, and the point where it crosses the acquisition cost is the payback period. Mobile measurement partners such as AppsFlyer and analytics tools report cohort LTV by source, which is exactly how advertisers compare one affiliate’s traffic with another’s. A source whose cohorts flatten early is paying for itself only if its CPA was low enough.
For affiliates, LTV explains two things that otherwise look arbitrary. First, why the same action pays differently across sources and GEOs: a US subscriber and a tier-3 subscriber have different LTVs, so they carry different payouts. Second, why advertisers care about retention on a CPA deal they have already paid for: if your users churn faster than average, their LTV is below the CPA, and the offer will be repriced or closed for your traffic. The classic business argument for retention, that acquiring a new customer costs several times more than keeping an existing one, is the same logic from the advertiser’s chair.
A subscription advertiser nets 24 USD per monthly payment and pays affiliates a 60 USD CPA. It follows two sources for six months.
| Month since signup | Source A: % still paying | Source B: % still paying |
|---|---|---|
| 1 | 100% | 100% |
| 2 | 80% | 55% |
| 3 | 68% | 35% |
| 4 | 60% | 24% |
| 5 | 54% | 17% |
| 6 | 50% | 12% |
| Cumulative net revenue per user (6 months) | 24 × 4.12 = 98.90 USD | 24 × 2.43 = 58.30 USD |
Both sources delivered subscribers at the same 60 USD CPA. After six months source A’s users have paid back the CPA with margin to spare; source B’s have not yet covered it. The advertiser will keep A at 60 USD, perhaps offer it a Hybrid, and cut or reprice B. From the affiliate’s side the two campaigns looked identical on day one, which is why the retention report is the one to ask for.
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In its simplest form, average revenue per period multiplied by the average number of periods a customer stays. Better estimates use margin instead of revenue and model churn as a curve from cohort data. Advertisers usually quote LTV at a horizon, such as 6- or 12-month LTV.
Because the CPA was set from an LTV estimate, and it will change if your traffic’s LTV turns out to be different. Advertisers compare retention by source; traffic with weak LTV gets lower payouts or loses access.
ARPU is average revenue per user in a period (a month, say); LTV is the total over the user’s lifetime. LTV is roughly ARPU multiplied by average lifetime in periods.
By matching the ad to the real product so expectations are met, excluding incentive and low-intent sources, targeting GEOs and devices where users pay, and preferring prelanders that qualify rather than hype. Higher LTV is what turns a CPA deal into a Hybrid offer.
References are listed as plain text on purpose; look them up by title and publisher. Updated: 2026-10-05.
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