Hevy
Replaceable in one session with an AI coding agent.
A weight-training log: build routines, tick off sets as you do them, and see whether the weight on each exercise is going up over time.
Build a training log as an installable web app. STACK - An installable web app, IndexedDB, no server THE MODEL - A routine is exercises with target sets and reps - A workout is a routine performed on a date; a set row is weight, reps and whether it was completed - Never overwrite a routine when logging: the workout is a copy, so editing a routine does not rewrite history DURING A SESSION - One exercise on screen, big tap targets for weight and reps, a rest timer that starts on completing a set - Prefill from the last time you did that exercise; this is what makes logging fast enough to actually do PROGRESS - Best set and estimated one-rep max per exercise over time, charted - Volume per muscle group per week Include the schema, the copy-on-log rule and the progress queries.
What you lose
- A large exercise library with animations, which is tedious to assemble
- A social feed of friends' workouts, which is what keeps people logging
- Apple Watch and Health integration
If you would rather not build
- Any open training log
- A notes app, which many lifters use
- A paper notebook, which is faster than most apps
The escape hatch
open source · no votes, no paid placement
wger
$0Self-hosted fitness tracking with an exercise database and routines.
wger-project/wgerfree · open source
FitTrackee
$0Self-hosted activity tracking, for the endurance side of the same job.
SamR1/FitTrackeefree · open source
Why this verdict
our own opinion · changed only by a person
88/100
Verdict yes at 88. Copying the routine into the workout rather than referencing it is the decision that keeps a year of history correct.
History
tracked since 10 Aug 2026 · nothing is ever overwritten
Nothing recorded yet. This chart fills in once the page has visitors, votes or prompt copies — it will not draw a flat line to look busy.
Questions about Hevy
answered from the record above
Is Hevy free?
No — the plan we track is $3.99 a month. Hevy Pro at around $3.99/month billed monthly, cheaper annually.
Can you replace Hevy by building your own?
YES. Replaceable in one session with an AI coding agent. Replacement score 88 out of 100, build time one session. Read what you lose before you decide.
How much does Hevy cost?
$3.99 a month on Pro — $47.88 a year. Recorded 10 Aug 2026.
What do you lose by replacing Hevy?
A large exercise library with animations, which is tedious to assemble; A social feed of friends' workouts, which is what keeps people logging; Apple Watch and Health integration. If any of those carry weight for you, keep paying.
Is there an open-source alternative to Hevy?
Yes: wger, FitTrackee. The prompt on this page is for when you want it your way instead.
Related entries
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