# Athlos vs Ground Zero

The clearest difference is in-app purchases: Ground Zero at none against Athlos's 4. Ground Zero also leads on ads (none vs shown) and update cadence (monthly vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Athlos sells 4 in-app purchases, starting at $13.49 per month. Ground Zero asks for nothing beyond the download.

Athlos ships an update every 3 months, Ground Zero monthly. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Athlos | Ground Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/athlos-bill-matsangos/id1586986528/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 92 MB | 14 MB |
| Requires iOS | 14.0 | **13** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ATHLOS BILL MATSANGOS PRIVATE COMPANY](https://appshunter.io/developer/1586986530) | [Konstantinos Anagnostakis](https://appshunter.io/developer/545699886) |

## What reviewers say

### Athlos

[App page](https://appshunter.io/ios/app/athlos-bill-matsangos/id1586986528)

This app creates personalized fitness programs using advanced algorithms that adapt to your needs for efficient training and injury prevention. It offers detailed guidance, an extensive exercise library with videos, and nutrition tips for a holistic approach to health.

**Highlights:** AI-driven personalized fitness programs, Continuous feedback for efficiency and injury prevention, Customizable workout plans (gym, home, outdoor), Extensive exercise library with videos, Nutrition tips and calorie guidance, Musculoskeletal injury prevention advice

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $13.49 | per month |
| 3 Months Subscription | $28.99 | per 3 months |
| 6 Months Subscription | $47.99 | per 6 months |
| 1 Year Subscription | $66.99 | per year |


### Ground Zero

[App page](https://appshunter.io/ios/app/ground-zero/id6445839166)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Athlos free?

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

### Is Ground Zero free?

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

### Do Athlos or Ground Zero have ads?

Athlos shows ads; Ground Zero does not.

### Which is updated more often, Athlos or Ground Zero?

Athlos ships an update every 3 months, and Ground Zero monthly. Most recently, Athlos was updated on October 11, 2026 and Ground Zero on October 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.*