Comparison

Feynn vs GymDiary

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Feynn

This app helps you plan and track your gym workouts with a customizable interface. Organize exercises by muscle group, add descriptions and images, and log previous performance to motivate improvement. Live workout tracking is available from the lock screen.

Highlights
  • Customizable workout planner
  • Exercise cataloging
  • Organize by muscle group
  • Add exercise details and images
  • Log previous marks
  • Visual data representations
  • Live workout tracking on lock screen
Features
Read full description

Feynn is a fully customizable workout planner and tracker that lets you take control of your workouts. Feynn allows you to catalog your existing workout routines and activities so that you don't have to commit to new plannings. You can organize your exercises by muscle group and add details like description or images. Adding your previous marks to your exercises is also possible, helping you migrate from your current notebook. Feynn's interface is designed with simplicity in mind to help you focus on what's more important during your workouts: keeping track of them. Working out with Feynn motivates you to improve your previous marks with visual data representations. The live activities also allow you to glance at your ongoing workouts from the lock screen. Let Feynn replace your notebook for keeping track of your progress at the gym

About

GymDiary

Features
Read full description

The workout tracker built for serious lifters. Log every set, rep, and weight. Track progressive overload session by session. Monitor volume across every muscle group. GymDiary gives you the data to train smarter — completely free, forever. —————————————————————————— WHAT YOU CAN DO WITH GYMDIARY —————————————————————————— - EXERCISE LOGGING Log sets, reps, and weight for any exercise. Build a complete record of your entire training history. - PROGRESSIVE OVERLOAD TRACKING See your last session's data every time you train. Make deliberate increases to keep building strength over time. - MUSCLE GROUP VOLUME Automatically track weekly training volume for Chest, Back, Legs, Shoulders, and Arms. Know exactly what you've trained. - STRENGTH ANALYTICS Charts for volume, frequency, and personal records. Understand exactly how your training is progressing over weeks and months. - CUSTOM EXERCISE LIBRARY Add your own exercises with custom muscle group mappings. Your library works the way you train. - FULL WORKOUT HISTORY Every session you've ever logged, always available. Search and filter by date, muscle group, or exercise name. - WORKS ON ALL YOUR DEVICES your data syncs across all platforms. Train anywhere. —————————————————————————— BUILT FOR EVERY TRAINING STYLE —————————————————————————— Whether you run Push Pull Legs, Upper Lower, a full-body program, or your own custom split — GymDiary adapts to your routine, not the other way around. No templates forced on you. No premium features locked behind a paywall. No ads. Just a clean, fast workout tracker that gets out of your way and lets you lift. Download GymDiary today — it's free. Forever.

Screenshots

Feynn4 screens
GymDiary4 screens

Verdict

The call

The clearest difference is update cadence: GymDiary at every 2 weeks against Feynn's every 4 months. GymDiary also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Feynn ships an update every 4 months, GymDiary every 2 weeks. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 6 level
Feynn versus GymDiary: the parameters behind the verdict, then further details
ParameterFeynnGymDiary
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 4 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size7 MB44 MB
Age rating4+4+
DeveloperEmilio Cortina LabraANALYTICA SOLUTIONS AND CONSULTING LIMITED

In-app purchases

None

Feynn

No in-app purchases

None

GymDiary

No in-app purchases

Questions

Is Feynn free?
Feynn is free to download, with no in-app purchases.
Is GymDiary free?
GymDiary is free to download, with no in-app purchases.
Do Feynn or GymDiary have ads?
Neither Feynn nor GymDiary shows ads.
Which is updated more often, Feynn or GymDiary?
Feynn ships an update every 4 months, and GymDiary every 2 weeks. Most recently, Feynn was updated on October 6, 2026 and GymDiary on October 7, 2026.

Other comparisons