# Feynn vs Lfty

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.

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.

## The numbers

| Metric | Feynn | Lfty |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/feynn/id6473211229/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/lfty/id6754777561/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 7 MB | 48 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Emilio Cortina Labra](https://appshunter.io/developer/1718620582) | [Kyle Sorensen](https://appshunter.io/developer/1849987108) |

## What reviewers say

### Feynn

[App page](https://appshunter.io/ios/app/feynn/id6473211229)

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:** macOS Compatibility

**In-app purchases:** none


### Lfty

[App page](https://appshunter.io/ios/app/lfty/id6754777561)

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.

**Highlights:** Log sets, reps, and weights, Capture detailed workout notes, Visualize progress with charts, Track strength training gains, Intuitive user interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Feynn free?

Feynn is free to download, with no in-app purchases.

### Is Lfty free?

Lfty is free to download, with no in-app purchases.

### Which has better reviews, Feynn or Lfty?

Feynn and Lfty are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Feynn or Lfty have ads?

Neither Feynn nor Lfty shows ads.

### Which is updated more often, Feynn or Lfty?

Feynn ships an update every 4 months, and Lfty every 2 days. Most recently, Feynn was updated on October 23, 2026 and Lfty on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*