# Overlay vs ATHRON

The clearest difference is in-app purchases: Overlay at none against ATHRON's 6. Overlay also leads on update cadence (weekly vs every 3 weeks). ATHRON's advantage is ads (none vs shown) and iOS requirement (15.0 vs 18.4). On price and device support there is nothing between them.

Both are free to download. ATHRON sells 6 in-app purchases, starting at $4.99 per month. Overlay asks for nothing beyond the download.

Overlay ships an update weekly, ATHRON every 3 weeks. The most recent releases landed on October 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Overlay | ATHRON |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 18 MB | 104 MB |
| Requires iOS | 18.4 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Seungtae Jang](https://appshunter.io/developer/1664620859) | [Carsten Urbanski](https://appshunter.io/developer/1896733849) |

## What reviewers say

### Overlay

[App page](https://appshunter.io/ios/app/overlay-workout-snapshot/id6462945007)

**Features:** macOS Compatibility

**In-app purchases:** none


### ATHRON

[App page](https://appshunter.io/ios/app/athron/id6770330449)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nutrition Plan | $4.99 | per month |
| Athron Pro | $4.99 | per month |
| Athron Premium + Blood Work | $11.99 | per month |
| Nutrition Plan (Year) | $49.99 | per year |
| Athron Pro (Year) | $49.99 | per year |
| Premium + Blood Work (Year) | $119.99 | per year |


## Frequently asked questions

### Is Overlay free?

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

### Is ATHRON free?

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

### Do Overlay or ATHRON have ads?

Overlay shows ads; ATHRON does not.

### Which is updated more often, Overlay or ATHRON?

Overlay ships an update weekly, and ATHRON every 3 weeks. Most recently, Overlay was updated on October 4, 2026 and ATHRON on October 25, 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.*