Hevy is the better pure workout logger; BuiltByDe tells you what to train. Hevy is a popular free gym log with a social feed and a cheap Pro plan. BuiltByDe starts by scoring your physique, then gives you a program built around your weak points and tracks every set. Both have free tiers.
| BuiltByDe | Hevy | |
|---|---|---|
| Price | Free core tools; trainer plan $29.99/mo | Free; Pro $2.99/mo, $23.99/yr or $74.99 lifetime |
| Free tier limits | Score, all programs and tracker free | Up to 4 routines and 7 custom exercises; more on Pro |
| Account required | No (website) | Yes |
| Physique / proportion scoring | Yes | No |
| Structured programs | 13 programs plus Mobility, built around weak points | Routines you build; guided plans on Pro |
| Set-by-set logging and PRs | Yes | Yes, with detailed history and charts |
| Social feed | Leaderboard in Game Mode | Yes, follow friends and share workouts |
| Native phone app | In development (works in phone browser) | Yes, iPhone and Android |
| For trainers | $29.99/mo, unlimited clients | Separate Hevy Coach product |
You can also use both: get your Physique Score and program from BuiltByDe, and log in whichever app you prefer.
Yes, Hevy has a free tier. Pro costs $2.99 a month, $23.99 a year or $74.99 lifetime, and unlocks more routines, custom exercises and analytics.
No. Hevy tracks workouts. BuiltByDe grades your proportions, like shoulder-to-waist, and tells you which body parts to train first.
BuiltByDe, if you don't know what to train yet: it picks a program for you based on your score. Hevy suits people who already follow a plan and want to log it.
Get your Physique Score in about a minute, then pick a program built around it. Free, no login needed.
More comparisons: Strong · JEFIT · Fitbod · Nike Training Club · Trainerize