# Mechanix vs Dodis

The clearest difference is price: Dodis at Free against Mechanix's $2.99. Dodis also leads on update cadence (every 4 months vs every 9 months) and iOS requirement (11.0 vs 18.6). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Dodis is free to download; Mechanix costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Mechanix against 5.0 for Dodis. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Mechanix ships an update every 9 months, Dodis every 4 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Mechanix | Dodis |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/mechanix/id386599739/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/dodis/id576417192/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 53.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 months** |
| Monetization | Paid | **Free** |
| Size | 33 MB | 42 MB |
| Requires iOS | 18.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Xavier Daxhelet](https://appshunter.io/developer/339056993) | [Dodis](https://appshunter.io/developer/576417195) |

## What reviewers say

### Mechanix

[App page](https://appshunter.io/ios/app/mechanix/id386599739)

This educational app supports high school and university statics and dynamics courses. It offers a comprehensive review of basic equations, accompanied by over 20 animations and 50 illustrations to clarify complex mechanics concepts. Teachers can use it to present material to students via projector.

**Highlights:** Basic equations memorandum, Illustrative animations, Vectorial reminder, Statics concepts, Center of gravity calculations, Moments of inertia, Dynamics of particles and rigid bodies

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

**In-app purchases:** none


### Dodis

[App page](https://appshunter.io/ios/app/dodis/id576417192)

Access key historical documents on Swiss foreign policy and scientific studies for free. Discover press documents, media broadcasts, and research center news. Features location-based document selection.

**Highlights:** Free access to Swiss foreign policy documents, Access to scientific studies on Swiss foreign policy, Includes press documents and online media, News from the research center, Location-based document selection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mechanix free?

Mechanix costs $2.99, with no in-app purchases.

### Is Dodis free?

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

### Which has better reviews, Mechanix or Dodis?

Mechanix and Dodis are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Mechanix or Dodis have ads?

Neither Mechanix nor Dodis shows ads.

### Which is updated more often, Mechanix or Dodis?

Mechanix ships an update every 9 months, and Dodis every 4 months. Most recently, Mechanix was updated on November 1, 2026 and Dodis on November 1, 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.*