# WälderDoc vs Simon Mathis

The clearest difference is iOS requirement: WälderDoc at 12.0 against Simon Mathis's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WälderDoc ships an update every 2 months, Simon Mathis every 3 months. The most recent releases landed on September 15, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | WälderDoc | Simon Mathis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simon-mathis/id1641230334/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Free |
| Size | 42 MB | 213 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Thomas Glinik](https://appshunter.io/developer/1145865368) | [Mathis FitLife GmbH](https://appshunter.io/developer/1641230336) |

## What reviewers say

### WälderDoc

[App page](https://appshunter.io/ios/app/walderdoc/id1279478309)

**Features:** macOS Compatibility

**In-app purchases:** none


### Simon Mathis

[App page](https://appshunter.io/ios/app/simon-mathis/id1641230334)

Track your daily fitness activities, weight, and body metrics. This app serves as a communication tool with your personal trainer, offering motivation and guidance. Sync your data online and with Apple Health for seamless progress monitoring.

**Highlights:** Track daily fitness activities, Monitor weight and body metrics, Communicate with coaching team, Sync data online, Integrate with Apple Health

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

**In-app purchases:** none


## Frequently asked questions

### Is WälderDoc free?

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

### Is Simon Mathis free?

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

### Do WälderDoc or Simon Mathis have ads?

Neither WälderDoc nor Simon Mathis shows ads.

### Which is updated more often, WälderDoc or Simon Mathis?

WälderDoc ships an update every 2 months, and Simon Mathis every 3 months. Most recently, WälderDoc was updated on September 15, 2026 and Simon Mathis on September 2, 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.*