10 Best Workout Log Apps of 2020 for iOS & Android

There are many workout logging apps, but are there any worth your effort?

Workout log apps are like to-do lists: they are easy to start, but hard to get right. ​In fact, there are almost as many bad workout logs as there are workout logging apps. On this list, however, you will find none of the bad ones (even if they aren't all for you).

Get the best apps for planning, organizing and logging gym sessions; workout log apps that really help you get the most out of your weight lifting time instead of wasting it fumbling with obnoxious screens.

Some of these apps only work on Apple iOS devices and others only on Android phones like those from Samsung, Google, and other manufacturers, while some work on both or on the web as well.

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HeavySet ​- Best Workout Log App​ (iOS)

The HeavySet app - a workout log.
Runloop Ltd. 
What we like
  • Data entry works as expected

  • Can specify intensity (as percentage of 1RM) and rest time per exercise

  • Imports (from Strong and RepCount, for instance) as well as exports data

What we don't like
  • No plate calculator

  • Only a basic set of exercises included, no descriptions or images

When you ​open HeavySet you'll find most everything is made just to delight you.

Let's start with data entry. The buttons are just where they need to be and big enough not to miss even with shaking legs — or hands. What's more, you typically only have to tap once to log a set; HeavySet's smart predictions have already accomplished the, umm, heavy lifting.

​HeavySet's smarts do not mean you give up any control over setting up routines. Routine can be entered the way they work best for you: you can specify rep ranges, pick weight based on intensity (in percent of your calculated 1 rep max) or define supersets and giant sets. The notable exception are drop sets.

HeavySet is the best workout log app overall.

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​Strong​ (iOS, Android)

The Evening Workout view on the Strong workout app.
 Strong Fitness Ltd.
What we like
  • Logging workouts is easy

  • Includes a warm-up calculator

What we don't like
  • No way to schedule workouts and avoid hunting for the right routine

  • Exercise descriptions, images, and videos not included

Strong comes with all the tools you'll need to keep track of your workouts in a very effective manner: a large library of exercises and a functional way to enter data.

Adding sets and exercises is as fast as removing or re-arranging them; for each exercise, you get the previous workout data to enter fast as well as the complete history, charts and records; the rest timer is wisely integrated in the keyboard (if you don't have it start automatically), and the NEXT button is right there as well.

​Strong includes a plate calculator as well. However, it might not be so useful as you cannot define your own bar weight (the olympic bar is there, though). The warm-up calculator a bit oddly only works for barbell exercises.

Just picking exercises as you go is easy, but Strong lets you combine them into routines as well. Unfortunately, scheduling these, picking days or just organizing them in folders is not possible, so you always have to hunt a bit for the right workout or constantly re-arrange for the most-used to be on top. For both exercises and body measurements, Strong presents pretty and helpful charts.

All in all, ​Strong is a really good app for planning and logging workouts.

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​​Fitbod (iOS)

Workout targets on the Fitbod workout log app.
 Fitbod, Inc.
What we like
  • Solid, cutomizable workout planning

  • Adaptable to available equipment, workout style, and time available

  • Easy to log sessions

What we don't like
  • Limited basic workout log functions

  • Not valuable if you don't follow Fitbod's suggestions

Instead of letting you plan and log workouts, maybe with a few standard routines already set up, Fitbod aims to be a coach and trainer more than a mere log book. It is not unreasonable or inflexible about it, though, and the approach is sane enough.

​Based on muscle fatigue by group (derived from your previous sessions), Fitbod will suggest a workout of the day, all with suggested sets, rep counts and weights based on A. S. Prilepin's famous powerlifting chart. Swapping exercises that target the same muscles is easy, but you can also customize each workout freely. Fitbod comes with a big library of exercises that includes descriptions and videos with proper form.

​Because the suggested workout can be customized to your liking as well, you can pick the desired length, specify exactly which equipment you have at hand (yay!), whether to go, say, for maximum hypertrophy or powerlifting strength — and which exercises to exclude. It would be sweet if Fitbod let you save gym profiles with available equipment.

​As a workout log, Fitbod fares not all that well. Entering workouts is easy enough, thanks to Fitbod's planning smarts, and the app uses the data well. What you get to see is a mere calendar log and heat map, though; no charts, records or the like.

So, Fitbod is a bit out of its place in this list — and well worth a try. Your body will love it.

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​​Stacked (iOS)

The Repetitions log and plate picker for the Stacked workout log app.
 Viceroy Software, Inc.
What we like
  • Well thought-out logging screen

  • Includes plate racking calculator

  • Includes 'Bigger Leaner Stronger' and 'Thinner Leaner Stronger' routines

What we don't like
  • App can be buggy, which means data gets lost or duplicated sometimes

  • No way to export data

​Idiosyncrasies are to be expected with workout logging apps. For Stacked, that means a dashboard showing no data at all but a handful of buttons — of which you will typically use only one. Elsewhere in the app, you do not tap but, instead, move stuff around to activate it. It is a workout app after all.

Whether you are dragging or tapping, what Stacked has to offer is mighty useful and logical. You get to define exercises, combine them to form workouts, and schedule those to make routines. Stacked comes with all the basic exercises and a handful of routines from Michael Matthews' "Bigger/Thinner Leaner Stronger" series. Those are well thought-out and useful, though they could be more complete and better organized.

At the heart of Stacked is logging sets. You get a rest timer, the previous workout's data, personal records, a calculator for 1RM, proper keyboards for entering numbers — and a really handy plate picker to avoid computing the likes of 9+20x4+5x2+1.25x2 in your head all the time.

​For what it's worth, Stacked lets you pre-set playlists for workouts and control playback from the logging screen.

​In addition to your training, you can also track body measurements with Stacked, define goals for both and get graphs to visualize them to boot.

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Jefit (iOS, Android, Web)

The exercise log on the Jefit workout log app.
Jefit, Inc. 
What we like
  • Huge list of exercises with descriptions and images, and routines

  • Functional logging screen

  • Social media integration

What we don't like
  • No plate calculator

  • Cluttered and requires lots of taps to operate

If you think there's a lot to once you get to the gym, wait until you get a load of what Jefit has to offer.

You can choose from more than 1,000 exercises or add your own, combine them to form a plan, favorite movements, filter by machine, set body goals, log workouts, choose scroll wheel or keyboard to enter data, add notes, lock the screen, set 1RM goals for each exercise (plus a clear outline how much to lift to achieve them), assess your strength, and track your progress with mirror selfies.

Jefit is more social and connected than most workout logs, too. You can share routines with friends or download others' plans, participate in contests, brag about workout stats, and synchronize your data with the web and Jefit on other platforms and devices.

If this reads like a mere list of features, this is because there is just so much to do. Jefit is very well done, has few faults, and its social features and gamification can help you keep motivated. It would benefit from a clearer focus, though, and, well, less to do on each screen.

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Workit (iOS and Android)

Example workouts on the Workit exercise tracking app.
What we like
  • Effective logging screen

  • Includes a plate calculator

  • Includes popular workout regimens as ready-made exercise programs

What we don't like
  • Connot define target intensity based on 1RM

The functional heart of Workit is its big COMPLETE SET button dead center and easy ways to enter data.

With but simple swipes, you get descriptions and animations for the current exercise as well as your recorded history of performing it for reference. A menu choice gets you a supremely useful plate racking calculator so you can load with confidence.

​Of course, Workit also lets you combine exercises into routines. To get you started, it comes with a number of popular programs already, including Stronglifts 5x5 and Starting Strength. Progress is easily visualized by exercise and body part trained, and Workit lets you keep track of cardio sessions as well. An expansion lets you track bodily measurements including weight and body fat percentage.

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​GymBook (iOS)

The workout log on the GymBook workout tracking app.
What we like
  • Beautiful and helpful graphic data display

  • Great for tracking body measurements

  • Works with Apple Watch

What we don't like
  • Entering weight, reps, and other numbers could be easier

  • Does not display or use 1RM

GymBook attempts a different approach to entering workout data. Its idea is good on the surface, but it ends up being more cumbersome than it needs to be. Thankfully, GymBook offers to adapt workouts with data you have entered during training.

Speaking of training, GymBook comes with around 100 exercises predefined and a few sample workouts. Adding and adapting either is reasonably simple (though, again, picking weights and reps could be easier), and heat maps show you which parts of the body will hurt. You get pretty standard — and helpful — graphs for exercises (averages and maxima, the 1RM is not calculated, though, or used for suggestions) and body measurements.

GymBook is full of things to like and fresh approaches. Unfortunately, it misses a few of the fundamentals and has a tendency to offer too many options.

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​FitNotes (Android)

The Rest Timer on the FitNotes workout tracking app for Android.
What we like
  • Simple, functional design

  • Calendar with rules for highlighting

What we don't like
  • No plate calculator

  • Doesn't allow for tracking body measurements

  • Limited exercise library

​​FitNotes is a good bet as the first workout logging app to try. It might well be just what you need in a clean package.

​After picking from or adding exercises to form a routine, you're off to working out — and logging. FitNotes has few frills here, and all the necessary tools. After a rest timer has helped you keep track of time, you enter weight and reps, tap Save. Ah, you mean you want some guidance? With but a tap, FitNotes presents your whole history for the current exercise — as data or graph.

​Speaking of graphs, FitNotes' calendar has a nice, well, frill to offer: you can set up rules for highlighting days in it (e.g., days on which you deadlifted at least 330 lb for 6 reps). You also get a breakdown of muscle groups exercised as pie charts (e.g. by sets performed), for whatever that is worth.

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​Simple Workout Log (Android)

The exercise log for the Simple Workout Log exercise tracking app.
 SelahSoft, LLC.
What we like
  • Clean, simple exercise log

  • Web versions to enter and review data from a desktop computer

What we don't like
  • Limited for tracking body measurements

The quickest summary of Simple Workout Log: simple in appearance and use, clever in utility and organization.

It is simple to log sets (all with your history and an exercise performance graph as well as plate calculator at hand), though the placement of elements on the screen could be more convenient for my taste. It is easy to turn exercises into routines (with support for supersets), though a bigger library of pre-configured exercises and plans would be welcome.

It is useful to see your performance displayed in graphical form, though it would be nice to be able to track more body measurements than weight. It is convenient to have a web version available for reviewing data and setting up routines, for example, though automatic synchronization is a truly unfortunate absence, and the web version could be more comfortable all around.

​So, Simple Workout Log is simple — and useful despite its minor shortcomings.

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​​Strongly (iOS)

The workout log screen on the Strongly exercise tracking app.
 Formbound AB
What we like
  • Lets you target rep range

What we don't like
  • Entering weight used is cumbersome

Strongly (formerly the Sidekick app) is the simple workout log app in a very useful — and appealing, if you like Star Trek — form. Strongly comes with a solid list of exercises (to which you can add), and turning them into workout routines is easy.

Logging the workout is, for the most part, convenient: you pick a weight and rep count and tap the thankfully big Record set button. Picking the weight, again, is a bit of a challenge. Fortunately, Strongly pre-enters the last workout's data.

For motivation, you get to fill circles for weight moved, rep counts and time spent as well as a heat map of muscle group engagement.

That's about it: simple and useful.​