SaaSwhat they sayDerin
Derin — Deep Work Timer
Derin is a focus timer built for people who do real work — developers, writers, freelancers, and anyone who needs uninterrupted time to think. Pick a session…
01Revenue
Revenue published by the founder on TrustMRR, which reads it from the payment provider; MRRLens shows TrustMRR's figure and links to it. Updated 20 h ago. Listed since 2026.
02Why users leave Derin
No public reviews of Derin found yet on Trustpilot or Capterra; both are checked weekly. Threads about it still appear below.
03How to build a better Derin
The blueprint is written from the complaint clusters, so it appears once negative reviews have been read.
04Who wants a better Derin
0 buyer threads in the last 30 days name Derin, and 1 more is in the same market.
05Questions about Derin
How much revenue does Derin make?
Derin's founder publishes its revenue through a payment-provider API on TrustMRR: $4 in the last 30 days. It has no subscriptions, so this is revenue, not MRR.
Full 1-star breakdown with verbatim quotes, the build blueprint and every live thread — on every product.