Recover revenue lost to billing drift
Raised your prices? Your oldest customers never got the memo.
BillingDiff runs a free read-only scan of your Stripe account and finds every active subscription still billing at old prices — plus stale trials and ghost discounts. See how many are drifting for free; unlock the exact monthly dollar figures and daily monitoring for $29/mo.
In plain terms: Stripe never migrates existing subscribers when you change a price, so revenue quietly leaks at the old rate. BillingDiff is the read-only checkup that scans for it free, then puts a dollar figure on every leak — and watches for new ones daily — once you subscribe.
Scan my subscriptions — freeSafe by design
- Read-only — we can't create charges or edit anything
- Revoke access in one click, any time
- Disconnect and your data is deleted
Who it's for
Built for bootstrapped SaaS founders and operators on Stripe who have raised prices in the last year or two and never migrated the customers already on the books.
You raised prices twice but ARPU barely moved — legacy subscribers drag the average down
Nobody remembers which cohorts were supposed to be grandfathered and which just got missed
Checking hundreds of subscriptions against your price history by hand is a day you'll never spend
How it works
- 1
Connect Stripe, read-only
A one-click OAuth grant, scoped so we can only read your account — never create charges or change anything. Revoke it whenever you like.
- 2
See your drift for free
We scan every active subscription against your current price book, discounts, and trial rules, and show you how many are drifting — free, no card required.
- 3
Unlock the numbers — $29/mo
Reveals the exact monthly dollar impact of each flagged subscription with a fix link into Stripe, plus daily monitoring that alerts you the moment new drift appears.
What we flag
Every flag comes with the exact subscription, the dollar impact, and a direct link to fix it in Stripe.
Legacy prices
Customers still on prices you retired long ago.
Ghost discounts
Coupons and promos still applying past their intent.
Stale trials
Trials that never converted and never expired.
Currency / interval oddities
Mismatched billing cycles and currency edge cases.
“A complete list of every subscriber still on outdated pricing, with the monthly gap to your current price book.”
Security posture
- Read-only OAuth scope — we can’t create charges or edit anything
- Stripe holds all card data, always
- Revoke access in one click, any time
- Disconnect and your data is deleted
A customer at $500K ARR leaking just 2% loses ~$10K a year. The scan is free; unlock the numbers and daily monitoring for $29/mo.