# Lets Burn vs Lightness Gym

The clearest difference is rating: Lightness Gym at 5.0 against Lets Burn's 4.2. Lightness Gym also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 6 weeks). Lets Burn's advantage is ratings volume (13 vs 2) and iOS requirement (13.0 vs 16.0). On price, in-app purchases, monetization model 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.

Lightness Gym holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Lets Burn has 13 ratings behind it against 2, so its average is the more settled of the two.

Lets Burn ships an update every 6 weeks, Lightness Gym every 3 weeks. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Lets Burn | Lightness Gym |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (13 ratings)](https://appshunter.io/ios/app/lets-burn/id1337646892/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/lightness-gym/id1488798623/reviews)** |
| Number of ratings | **13** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Ad-supported | Ad-supported |
| Size | 66 MB | 194 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [P5M Co.](https://appshunter.io/developer/1337646891) | [Lightness GYM](https://appshunter.io/developer/1488798622) |

## What reviewers say

### Lets Burn

[App page](https://appshunter.io/ios/app/lets-burn/id1337646892)

Discover and book fitness classes at various studios with a single membership. Explore diverse activities like yoga, boxing, and CrossFit, and join a supportive community led by experienced trainers to kickstart a healthy lifestyle.

**Highlights:** Access to best fitness studios, One membership for all classes, Explore and book diverse fitness activities, Filter by location, activity, and time, Organize workout schedule, Join a vibrant fitness community

**In-app purchases:** none


### Lightness Gym

[App page](https://appshunter.io/ios/app/lightness-gym/id1488798623)

Plan and schedule fitness classes directly from your mobile device. View class schedules, sign up for sessions, and access studio location details. Optimize your time and enjoy the convenience of managing your fitness activities on the go.

**Highlights:** View class schedules, Sign up for classes, Access studio location, Schedule fitness activities, Manage fitness on the go

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

**In-app purchases:** none


## Frequently asked questions

### Is Lets Burn free?

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

### Is Lightness Gym free?

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

### Which has better reviews, Lets Burn or Lightness Gym?

Lightness Gym is rated higher. Lets Burn averages 4.2 out of 5 from 13 ratings, while Lightness Gym averages 5.0 from 2 ratings.

### Do Lets Burn or Lightness Gym have ads?

Lets Burn shows ads; Lightness Gym does not.

### Which is updated more often, Lets Burn or Lightness Gym?

Lets Burn ships an update every 6 weeks, and Lightness Gym every 3 weeks. Most recently, Lets Burn was updated on September 10, 2026 and Lightness Gym on September 9, 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.*