# Stone Strength Lab vs E60 Fitness Studios

The clearest difference is update cadence: E60 Fitness Studios at every 3 weeks against Stone Strength Lab's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Stone Strength Lab ships an update every 2 months, E60 Fitness Studios every 3 weeks. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Stone Strength Lab | E60 Fitness Studios |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/e60-fitness-studios/id6738352291/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Ad-supported |
| Size | 90 MB | 193 MB |
| Requires iOS | **15** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [EP Fitness, LLC](https://appshunter.io/developer/1453882289) | [E60 Fitness Studios LLC](https://appshunter.io/developer/1620109751) |

## What reviewers say

### Stone Strength Lab

[App page](https://appshunter.io/ios/app/stone-strength-lab/id6445967199)

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

**In-app purchases:** none


### E60 Fitness Studios

[App page](https://appshunter.io/ios/app/e60-fitness-studios/id6738352291)

Plan and schedule fitness classes directly from your device. View class schedules, sign up, and find studio locations with ease. Optimize your time and maximize convenience for booking workouts.

**Highlights:** View class schedules, Sign up for classes, View studio location, Schedule from device, Maximize convenience

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

**In-app purchases:** none


## Frequently asked questions

### Is Stone Strength Lab free?

Stone Strength Lab is free to download, with no in-app purchases.

### Is E60 Fitness Studios free?

E60 Fitness Studios is free to download, with no in-app purchases.

### Do Stone Strength Lab or E60 Fitness Studios have ads?

Neither Stone Strength Lab nor E60 Fitness Studios shows ads.

### Which is updated more often, Stone Strength Lab or E60 Fitness Studios?

Stone Strength Lab ships an update every 2 months, and E60 Fitness Studios every 3 weeks. Most recently, Stone Strength Lab was updated on November 7, 2026 and E60 Fitness Studios on October 30, 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.*