Compare
Dren and Hevy
Hevy is a workout tracker with a social feed and a lot of features. Dren is a private log with no routine limit and no feed. This page names a difference only when it is real.
A private log. Each set is saved on the phone first, then synced when the phone is online.
A workout tracker with a social feed, a web app, and a separate coach product.
Unlimited routines and folders. There is no custom exercise builder yet.
4 routines, 7 custom exercises, and 3 months of chart history.
Dren Plus is planned for early 2027: 2.99 USD a month, 19.99 a year with a 7-day trial, or 59.99 once. Today every account has everything at no cost.
Hevy Pro: 2.99 USD a month, 23.99 a year, or 74.99 once. In the EU: 3.49, 26.49, or 79.99 EUR.
No follow feed, likes, or comments. You can share one routine by email or by a link on this site.
Follow people, like and comment on workouts. New workouts are public by default.
Checking a set never waits for the server. Finish saves the workout on the phone.
Logs on the phone and on the watch, then uploads the workout.
No Apple Watch app and no Wear OS app yet.
Apple Watch and Wear OS, including a workout that runs without the phone.
This site is the catalog, the guides, and a shared routine page. Logging stays on the phone.
A web app for routines, progress, and friends' workouts.
352 exercises with posters and steps. Most have video. Every one has a page on this site.
Hevy markets 400+ exercises with demonstration animations.
Connect ChatGPT to the account. It reads your training and can log a set, finish, or save a routine. It does not write programs.
Send a workout to ChatGPT or Claude. Hevy Trainer builds AI programs in Pro.
English. Serbian in the app is planned for early 2027.
16 languages, without Serbian or Croatian.
Importing your history from a Strong or Hevy CSV is planned for early 2027, on the free plan.
Imports a Strong CSV.
Dren Coach is for personal trainers who work in the gym, starting in Serbia. It is in beta.
Hevy Coach is for online coaching: 25 to 160 USD a month, by number of clients.
No RPE field, progress photos, body measurements beyond weight, watch app, or AI program.
Hevy offers most of those, plus a social feed you can keep or ignore.
Hevy prices and limits are from its own site on 5 November 2026. Dren Plus prices are planned.