Feynn vs MyAlter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
MyAlter
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Key Features: Personalized tracking of your workout sessions Wide range of exercises for all muscle groups Various training types: weight and reps, bodyweight, cardio, etc. Measurement tools to track your progress (weight, reps, duration, distance) Tracking of training volume and previous performances Ability to create and customize your own workouts Intuitive interface to manage your exercises (reorder, replace, delete) ALTER also offers: Customizable user profile Adjustable language and theme settings The ability to save and analyze your training data Whether you're looking to lose weight, gain muscle, improve your endurance, or simply stay in shape, ALTER is the ideal tool to reach your fitness goals and track your progress over time. Download ALTER now and transform your approach to fitness!
Screenshots
Verdict
The clearest difference is update cadence: MyAlter at weekly against Feynn's every 4 months. MyAlter also leads on device support (3 vs 1) and iOS requirement (13.0 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Feynn ships an update every 4 months, MyAlter weekly. The most recent releases landed on June 10, 2026 and September 9, 2026 respectively.
| Parameter | Feynn | MyAlter |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Emilio Cortina Labra | Julien Kermarec |
In-app purchases
Feynn
No in-app purchases
MyAlter
No in-app purchases









