# ResEditor vs Chamii

The clearest difference is price: Chamii at Free against ResEditor's $19.99. Chamii also leads on iOS requirement (15.0 vs 18.6). ResEditor's advantage is update cadence (every 9 days vs every 4 weeks). On ads, in-app purchases and device support there is nothing between them.

Chamii is free to download; ResEditor costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ResEditor ships an update every 9 days, Chamii every 4 weeks. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ResEditor | Chamii |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/reseditor/id6752496598/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 4 weeks |
| Monetization | Paid | — |
| Size | 15 MB | 49 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Christopher Van Hoose](https://appshunter.io/developer/1510007987) | [振瀚 王](https://appshunter.io/developer/1861360379) |

## What reviewers say

### ResEditor

[App page](https://appshunter.io/ios/app/reseditor/id6752496598)

This app is a comprehensive calculator for video engineers and AV technicians. It helps calculate bandwidth for various video interfaces like HDMI and DisplayPort, and supports ST 2110 IP video standards. Professionals can also access reference specs and export their calculations.

**Highlights:** HDMI/DisplayPort bandwidth calculation, ST 2110 IP video calculation, IPMX (JPEG XS) bandwidth calculation, Video standards reference guides, Export calculations to PDF, Calculate physical display size

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

**In-app purchases:** none


### Chamii

[App page](https://appshunter.io/ios/app/chamii/id6757855903)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ResEditor free?

ResEditor costs $19.99, with no in-app purchases.

### Is Chamii free?

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

### Do ResEditor or Chamii have ads?

Neither ResEditor nor Chamii shows ads.

### Which is updated more often, ResEditor or Chamii?

ResEditor ships an update every 9 days, and Chamii every 4 weeks. Most recently, ResEditor was updated on September 18, 2026 and Chamii on September 17, 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.*