A Coinlend alternative that never takes a cut of your interest
Coinlend is the 2017 incumbent and it works — people don’t look for alternatives because it’s broken. They look because of the fee model: a 5% performance cut of interest earned, on top of a tiered weekly subscription (Coinlend’s own historically-published structure). A percentage fee grows with your book forever; a flat fee doesn’t. Whether that matters at your size is arithmetic, and the arithmetic is below — including where Coinlend, or a rival cheaper than us, is the better deal.
Coinlend fee structure per Cryptopolitan’s review of coinlend.org (tiered ~$1–$3/week subscription + 5% performance fee); Coinlend’s live fee page was not machine-readable when verified May 30, 2026. All Stratum return figures are backtested/modeled, never realized-performance claims. Both tools are non-custodial — funds never leave your Bitfinex account with either.
The crossover math, by book size
Assume a modeled 10% APR so the percentages have something to bite on (your real rate varies with the regime). A 5% performance cut costs 5% of whatever you earn; a subscription costs the same regardless. The crossover is where flat wins:
Subscription column assumes Coinlend’s mid ($2/week ≈ $104/yr) tier plus the 5% cut. At 10% APR the pure crossover vs Stratum’s $9/mo sits near a $2k book once the subscription is included — but see the honesty box below before concluding flat always wins.
Where Coinlend — or someone else — beats us
You lend on more than Bitfinex. Coinlend covers KuCoin and DeFi too; Stratum is deliberately Bitfinex-only. If multi-exchange is a hard requirement, stop reading — Coinlend is your tool.
You want the cheapest flat fee. That’s not us either: EarnUSD is $3/mo flat and Finvy Basic ~$89/yr — both undercut Stratum’s $9/mo. Our case is what the fee buys: transparent backtests, paper mode, ledger-reconciled reporting, US/German tax exports, multi-account.
Your book is small. Under a few thousand dollars, every fee is small in dollars and the free native Bitfinex Auto-Renew + FRR is the rational choice — no bot subscription justifies itself on fees alone down there.
Feature comparison
Competitor cells reflect Coinlend’s published materials and cited third-party reviews as of May 30, 2026 — if Coinlend ships something above, tell us and we’ll correct it. We ship one of the two products in this table; check our claims with the same skepticism.
Switching takes ten minutes and zero fund movement
Revoke Coinlend’s API key
In Bitfinex → API keys. Your open loans keep running — they belong to your account, not the bot that placed them.
Create a fresh key for Stratum
Funding read/write and wallet read only. Leave withdrawals and trading off — Stratum rejects keys with those scopes anyway.
Pick a strategy — or paper-trade it first
Backtest against history, run paper mode beside your Coinlend results for a week, and switch capital only when your own numbers say so.
Frequently asked questions
Why do people switch away from Coinlend?
Overwhelmingly the fee model: 5% of interest earned scales with your book, so the same product costs a $100k lender roughly ten times what it costs a $10k lender. Feature reasons — transparent strategy logic, backtesting, tax exports — come second.
Is switching risky? Do my funds move?
Funds never move. Both tools are non-custodial API-key bots: your money sits in your own Bitfinex account throughout, open loans keep running, and switching is just revoking one key and creating another.
Is Stratum the cheapest Coinlend alternative?
No. EarnUSD ($3/mo flat) and Finvy Basic (~$89/yr) are cheaper flat-fee options, and we say so on our comparison pages. Stratum’s pitch is verifiability — backtests, paper mode, ledger-reconciled reports, tax exports — not the lowest sticker price.
Will Stratum earn more than Coinlend did?
Nobody can honestly promise that — returns depend on the rate regime, and Stratum publishes backtested/modeled figures, not guarantees. What you can do is run our strategies in paper mode next to your live Coinlend account and compare real numbers before moving a dollar.
Can I run Coinlend and Stratum side by side?
Not on the same funding wallet — two bots would fight over the same balance. You can compare fairly by running Stratum in paper mode (no capital involved) against your live Coinlend results, or by splitting capital across two Bitfinex sub-accounts.
Is there a lock-in or contract?
No. Monthly billing, cancel anytime, and your data (reports, exports) is downloadable. The 14-day trial needs no card. If you leave, revoke the API key and everything stops — your loans and funds were never ours to hold.
Compare with your own numbers, not our copy
Paper-trade a Stratum strategy beside your live Coinlend results for a week. Keep whichever earns more after fees — we only want the switchers the math actually favors.