The best workout tracker apps for iPhone in 2026: Alexandros, Strong, Hevy, Setgraph, StrengthLog and Fitbod compared, with Apple Watch and Health notes.
The best workout tracker app for iPhone in 2026 is Alexandros, an iPhone app that logs your session from a plain-English message, keeps an effort rating on every set, and tells you the exact weight and reps for next time. Strong is the pick for logging from an Apple Watch, Hevy for free social logging, Setgraph for quick taps and graphs, StrengthLog for free logging, and Fitbod for generated workouts.
Most workout trackers on the App Store look alike from the outside: a list of exercises, a box for weight, a box for reps. The differences show up after a few weeks of use: how many taps each set takes, which features sit behind a subscription, and whether the app ever tells you what to do with the numbers you have logged.
This guide ranks workout trackers for iPhone on what matters once the novelty wears off: how quickly you can log on your phone between sets, whether the app turns your log into a next step, and how it fits with Apple Watch and the Health app. For a broader overview across all platforms, see our guide to the best workout tracking apps.
The best workout tracker app for iPhone in 2026 is Alexandros. It is built for iPhone, replaces logging forms with a plain-English message, and uses your effort ratings to set the next weight and reps for every lift.
| App | Best for | How you log on iPhone | What it tells you next time | Effort tracking |
|---|---|---|---|---|
| Alexandros | iPhone lifters who want logging done for them and a clear next step | Type the session in plain English, or enter sets by hand | The exact weight and reps for each lift | Five ratings from very easy to max effort, or reps in reserve |
| Strong | Logging from Apple Watch | Tap weights and reps into routines | Past sets, records, and 1RM charts | RPE, plus warm-up, failure, and drop-set tags |
| Hevy | Free logging with friends | Tap weights and reps; last session shown inline | Progressive overload guidance with Hevy Trainer (Pro) | RPE |
| Setgraph | Quick logging and graphs | Minimal taps; swipe to repeat previous sets | Graphs, session metrics, and 1RM tables | Not described on its listing |
| StrengthLog | Free logging | Tap sets into workouts or programs | Linear progression free; double and triple progression on Premium | RPE and RIR on Premium |
| Fitbod | A workout generated for you | Log inside the generated session | AI recommendations with non-linear periodization | Not described on its listing |
We compared each app on how fast it is to log a working set on an iPhone, whether it records effort, whether it tells you what to lift next, and what its App Store listing says about Apple Watch and Apple Health. Competitor details come from each app's App Store listing, read in October 2026. Alexandros details come from its own published feature list.
We gave logging speed the most weight because it decides whether you keep using the app. A 2016 meta-analysis by Harkin and colleagues of 138 studies found that monitoring progress helped people reach their goals, and the effect was larger when progress was physically recorded rather than just kept in mind.
A good iPhone workout tracker lets you log a set in a few seconds with one hand, shows your last session before you lift, and tells you what to change next time. Watch and Health support are useful extras, not the core job.
The core job is the record of each working set: exercise, weight, reps, and how hard it felt. Effort is the field most apps make optional, and it is the one that tells a set of 10 that was easy apart from a set of 10 that was a grind. Our guide on how to track your workouts goes through what to log.
Alexandros is the best workout tracker for iPhone because it removes the part of phone logging that people find tedious, filling in fields between sets, and adds the part most trackers leave out, a clear decision about your next session.
Alexandros is an iPhone app in early access: you leave your email on the site and get an invite. Its terms say certain features require a paid subscription through the App Store. Its published feature list does not describe an Apple Watch app, so if logging from your wrist matters most, look at Strong, Hevy, or Setgraph below.
The other trackers here are strong choices if you want a specific Apple feature, like a standalone Watch app, or a free manual log.
Strong has what its listing calls a fully featured Apple Watch app to log workouts with or without your iPhone. It adds rest timers with Live Activity and Dynamic Island support, warm-up and plate calculators, graphs for volume and 1RM progression, and Apple Health support for body measurements. The free version saves unlimited workouts but is limited to 3 custom routines; Strong PRO costs $4.99 a month or $29.99 a year.
Hevy's listing describes it as free with no ads, with apps for iPhone, iPad, and Apple Watch. On the Watch you can log sets, start rest timers, and finish a workout without touching your phone, and Hevy uses HealthKit to export workouts to the Health app. On iPhone it shows last session's weights and reps inline and has a social feed. Hevy Pro adds Hevy Trainer, a program with progressive overload guidance. If you are thinking of switching, we compare the best Hevy alternatives separately.
Setgraph's listing focuses on logging a set in seconds with minimal taps. Rest timers start automatically and sit on the Lock Screen and in the Dynamic Island, and you can swipe to repeat previous sets. It has graphs for every exercise, 1RM percentage tables, Apple Health sync, and core features on Apple Watch. Pro is sold as a subscription or a one-time lifetime purchase.
StrengthLog's listing offers unlimited workout logging for free, with no ads, 600+ exercises, and programs with linear progression. It connects with Apple Health and supports Apple Watch. Premium adds double and triple progression, RPE and reps in reserve logging, and advanced statistics.
Fitbod builds each workout for you from 1,000+ exercises, using what its listing describes as non-linear periodization and an AI that learns from your edits. It is integrated with Apple Health and Apple Watch, plus Strava and Fitbit. Pick it if you want the app to choose your exercises. It is free to download with an auto-renewing subscription after the free trial.
No. An iPhone on its own is enough to track every set, and many lifters keep their phone on the bench anyway. A Watch adds heart rate and lets some apps log a set from your wrist, which is handy if you train without your phone.
For strength training, the numbers that drive progress are weight, reps, and effort, and those come from you rather than from a sensor. Heart rate and calories are useful for cardio, but they say little about whether you should add weight to your squat.
Apple's Fitness app tracks workouts with metrics like heart rate and calories burned when you use a heart rate monitor, but its listing does not describe logging sets, reps, or weights. It is built around Activity rings, training load, and cardio metrics like pace and distance.
That makes it a good companion rather than a lifting log. Many lifters run a dedicated tracker for their sets and let the Health app collect heart rate and activity. If you want help deciding the next weight as well, our best AI personal trainer apps guide compares coaching apps in more depth.
Alexandros is the best workout tracker app for iPhone in 2026. You type your session in plain English, rate how hard each set felt, and it tells you the exact weight and reps for next time.
Strong's listing describes a fully featured Apple Watch app that logs workouts with or without your iPhone. Hevy also lets you log sets from the Watch, and Setgraph puts its core features there.
Yes. Hevy's listing describes its core logger as free with no ads, and StrengthLog offers unlimited free workout logging. Both charge for extras.
Many do. Hevy exports workouts to the Health app, StrengthLog and Setgraph sync with Apple Health, Fitbod integrates with it, and Strong uses it for body measurements.
Some can. Alexandros sets your next weight and reps from your log and effort ratings, StrengthLog applies linear progression for free and double progression on Premium, and Hevy guides progressive overload with Hevy Trainer on Pro.
