# HeavyMuscle vs Sweatline

The clearest difference is in-app purchases: Sweatline at none against HeavyMuscle's 3. Sweatline also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.4). On price, update cadence and device support there is nothing between them.

Both are free to download. HeavyMuscle sells 3 in-app purchases, starting at $3.99 per month. Sweatline asks for nothing beyond the download.

HeavyMuscle ships an update every 5 days, Sweatline weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | HeavyMuscle | Sweatline |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Weekly |
| Size | 89 MB | 20 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Flavio Lima](https://appshunter.io/developer/1672056884) | [Rashad Ansari](https://appshunter.io/developer/1878679646) |

## What reviewers say

### HeavyMuscle

[App page](https://appshunter.io/ios/app/heavymuscle/id6772259662)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HeavyMuscle Pro Monthly | $3.99 | per month |
| HeavyMuscle Annual Pro | $22.99 | per year |
| HeavyMuscle Pro Lifetime | $79.99 | one-time |


### Sweatline

[App page](https://appshunter.io/ios/app/sweatline/id6789278612)

**In-app purchases:** none


## Frequently asked questions

### Is HeavyMuscle free?

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

### Is Sweatline free?

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

### Do HeavyMuscle or Sweatline have ads?

HeavyMuscle shows ads; Sweatline does not.

### Which is updated more often, HeavyMuscle or Sweatline?

HeavyMuscle ships an update every 5 days, and Sweatline weekly. Most recently, HeavyMuscle was updated on October 31, 2026 and Sweatline on October 31, 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.*