Dayhack
A biohacking journal in one app: log meals with calories and macros, water, sleep, workouts and urges, then see what you actually did this week and choose your next step. No account needed.
Dayhack
A biohacking journal in one app: log meals with calories and macros, water, sleep, workouts and urges, then see what you actually did this week and choose your next step. No account needed.
Ranked #7407 on TrustMRR
1 active subscriptions
Revenue is verified with
RevenueCat API key.Last updated: Oct 25, 2026, 08:25 AM
One light journal for the basics instead of five separate trackers, with no account.
Shows what you really ate, slept and trained this week, so the next habit change is based on facts.
Audience
Biohackers, people tracking food and sleep, and anyone building better daily hab
Pricing
Free to use, with an optional Dayhack Plus subscription.
Team size
1 person
Domain Rating
dayhack.app
Ahrefs Domain Rating measures backlink profile strength on a 0 to 100 logarithmic scale.
Tech stack
Backend
Additional info
Made by IVRYN, an independent product studio in Paris. Available in six languages.
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dayhack.appProduct updates
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