# Muscle Memory vs Lifty

The clearest difference is iOS requirement: Muscle Memory at 15.5 against Lifty's 26.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Muscle Memory sells 1 in-app purchase, starting at $2.99 per month and Lifty sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Muscle Memory ships an update every 4 days, Lifty every 5 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Muscle Memory | Lifty |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 5 days |
| Size | 123 MB | 8 MB |
| Requires iOS | **15.5** | 26.5 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [hiroto hashimoto](https://appshunter.io/developer/1884572209) | [Daisuke Kisara](https://appshunter.io/developer/6776866185) |

## What reviewers say

### Muscle Memory

[App page](https://appshunter.io/ios/app/muscle-memory-workout-log/id6760459152)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $2.99 | per month |


### Lifty

[App page](https://appshunter.io/ios/app/lifty/id6776866183)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads + Apple Watch | $4.99 | one-time |


## Frequently asked questions

### Is Muscle Memory free?

Muscle Memory is free to download, with in-app purchases available.

### Is Lifty free?

Lifty is free to download, with in-app purchases available.

### Do Muscle Memory or Lifty have ads?

Both Muscle Memory and Lifty show ads.

### Which is updated more often, Muscle Memory or Lifty?

Muscle Memory ships an update every 4 days, and Lifty every 5 days. Most recently, Muscle Memory was updated on November 9, 2026 and Lifty on November 5, 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.*