# Praxis IHM vs Champer

The clearest difference is update cadence: Champer at every 5 days against Praxis IHM's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Praxis IHM ships an update every 3 months, Champer every 5 days. The most recent releases landed on November 6, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Praxis IHM | Champer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Size | 63 MB | 191 MB |
| Requires iOS | **15.6** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bureau Veritas Marine & Offshore](https://appshunter.io/developer/1437614422) | [Yara International](https://appshunter.io/developer/499215901) |

## What reviewers say

### Praxis IHM

[App page](https://appshunter.io/ios/app/praxis-ihm/id1451797337)

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

**In-app purchases:** none


### Champer

[App page](https://appshunter.io/ios/app/champer/id6479361773)

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

**In-app purchases:** none


## Frequently asked questions

### Is Praxis IHM free?

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

### Is Champer free?

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

### Do Praxis IHM or Champer have ads?

Neither Praxis IHM nor Champer shows ads.

### Which is updated more often, Praxis IHM or Champer?

Praxis IHM ships an update every 3 months, and Champer every 5 days. Most recently, Praxis IHM was updated on November 6, 2026 and Champer on November 12, 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.*