Feynn vs Lfty
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
Lfty
Log your weightlifting sessions with ease, capturing detailed notes and tracking progress through clear charts. This free application helps you build muscle and achieve your fitness goals.
- Log sets, reps, and weights
- Capture detailed workout notes
- Visualize progress with charts
- Track strength training gains
- Intuitive user interface
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Elevate your strength training with Lfty – the sleek, intuitive app designed for logging weight lifting sessions, capturing detailed notes, and tracking your progress effortlessly. Whether you're a gym newbie or a seasoned lifter, Lfty lets you record sets, reps, and weights with ease, add custom insights for every workout, and visualize your gains through clear charts and stats. Completely free forever – no in-app purchases, no subscriptions, just powerful tools to help you build muscle and smash goals. Download Lfty today and lift to new heights!
Screenshots
Verdict
The clearest difference is update cadence: Lfty at every 2 days against Feynn's every 4 months. Lfty also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 5.0 for Feynn against 5.0 for Lfty. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
Feynn ships an update every 4 months, Lfty every 2 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | Feynn | Lfty |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 4 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 7 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Emilio Cortina Labra | Kyle Sorensen |
Customer experience
Feynn
Lfty
In-app purchases
Feynn
No in-app purchases
Lfty
No in-app purchases









