# SlimSnap vs BurnOn

The clearest difference is in-app purchases: SlimSnap at none against BurnOn's 3. SlimSnap also leads on iOS requirement (14.1 vs 18.1). BurnOn's advantage is update cadence (every 5 days vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. BurnOn sells 3 in-app purchases, starting at $7.99 per month. SlimSnap asks for nothing beyond the download.

SlimSnap ships an update fortnightly, BurnOn every 5 days. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SlimSnap | BurnOn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/burnon/id6740245576/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 35 MB | 130 MB |
| Requires iOS | **14.1** | 18.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Seasia Infotech](https://appshunter.io/developer/504269118) | [BurnOn Inc.](https://appshunter.io/developer/1800578039) |

## What reviewers say

### SlimSnap

[App page](https://appshunter.io/ios/app/slimsnap/id6557063291)

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

**In-app purchases:** none


### BurnOn

[App page](https://appshunter.io/ios/app/burnon/id6740245576)

This app uses AI to create personalized workout routines based on your goals and equipment. It allows seamless logging of workouts from your lock screen and tracks comprehensive body measurements with visual progress charts.

**Highlights:** AI-powered workout creation, Seamless workout logging from lock screen, Comprehensive body measurement tracking, Smart timeline of fitness journey, Personalized workout routines, Progress visualization with charts, HealthKit integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $7.99 | per month |
| Quarterly Premium | $19.99 | per 3 months |
| Annual Premium | $49.99 | per year |


## Frequently asked questions

### Is SlimSnap free?

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

### Is BurnOn free?

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

### Do SlimSnap or BurnOn have ads?

Neither SlimSnap nor BurnOn shows ads.

### Which is updated more often, SlimSnap or BurnOn?

SlimSnap ships an update fortnightly, and BurnOn every 5 days. Most recently, SlimSnap was updated on October 13, 2026 and BurnOn on October 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.*