# Caliathletics vs HF Simulator

The clearest difference is iOS requirement: Caliathletics at 13.0 against HF Simulator's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Caliathletics sells 6 in-app purchases, starting at $34.99 per 3 months and HF Simulator sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Caliathletics ships an update every 2 months, HF Simulator every 3 months. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Caliathletics | HF Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 97 MB | 36 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Caliathletics Sp. z o.o.](https://appshunter.io/developer/1781230138) | [Tomasz Cieslar](https://appshunter.io/developer/1847841136) |

## What reviewers say

### Caliathletics

[App page](https://appshunter.io/ios/app/caliathletics/id6738578907)

This app offers guided routines and mobility exercises to build strength, endurance, and body control. It features intelligent workout adjustments and progress tracking to help users achieve their fitness goals step by step.

**Highlights:** Professional training routines, Calisthenics skill guides, Intelligent workout adaptation, Progress monitoring, Mobility exercises

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard 3 | $34.99 | per 3 months |
| Premium 3 | $39.00 | per 3 months |
| Standard 12 | $94.00 | per year |
| Premium 12 | $104.99 | per year |
| Standard lifetime | $199.00 | one-time |
| Premium lifetime | $219.00 | one-time |


### HF Simulator

[App page](https://appshunter.io/ios/app/hf-simulator/id6761552310)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |


## Frequently asked questions

### Is Caliathletics free?

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

### Is HF Simulator free?

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

### Do Caliathletics or HF Simulator have ads?

Neither Caliathletics nor HF Simulator shows ads.

### Which is updated more often, Caliathletics or HF Simulator?

Caliathletics ships an update every 2 months, and HF Simulator every 3 months. Most recently, Caliathletics was updated on October 17, 2026 and HF Simulator 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.*