# PRO SKI Sensor vs Hammer Gym

The clearest difference is price: Hammer Gym at Free against PRO SKI Sensor's $0.99. Hammer Gym also leads on iOS requirement (12.0 vs 15.6). PRO SKI Sensor's advantage is update cadence (monthly vs every 27 months). On ads, in-app purchases and device support there is nothing between them.

Hammer Gym is free to download; PRO SKI Sensor costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PRO SKI Sensor ships an update monthly, Hammer Gym every 27 months. The most recent releases landed on October 16, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | PRO SKI Sensor | Hammer Gym |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 27 months |
| Size | 102 MB | 21 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [PRO SENSOR DEVELOPMENT SL.](https://appshunter.io/developer/1489712292) | [HAMMER COMPANY LTD OOD](https://appshunter.io/developer/1731100439) |

## What reviewers say

### PRO SKI Sensor

[App page](https://appshunter.io/ios/app/pro-ski-sensor/id1489712293)

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

**In-app purchases:** none


### Hammer Gym

[App page](https://appshunter.io/ios/app/hammer-gym/id6477912818)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PRO SKI Sensor free?

PRO SKI Sensor costs $0.99, with no in-app purchases.

### Is Hammer Gym free?

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

### Do PRO SKI Sensor or Hammer Gym have ads?

Neither PRO SKI Sensor nor Hammer Gym shows ads.

### Which is updated more often, PRO SKI Sensor or Hammer Gym?

PRO SKI Sensor ships an update monthly, and Hammer Gym every 27 months. Most recently, PRO SKI Sensor was updated on October 16, 2026 and Hammer Gym on September 20, 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.*