# Flight Computer E6B & Toolbox vs Image Compression Assistant

The clearest difference is in-app purchases: Image Compression Assistant at none against Flight Computer E6B & Toolbox's 1. Image Compression Assistant also leads on update cadence (every 3 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Flight Computer E6B & Toolbox sells 1 one-off in-app purchase. Image Compression Assistant asks for nothing beyond the download.

Flight Computer E6B & Toolbox ships an update every 3 weeks, Image Compression Assistant every 3 days. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Flight Computer E6B & Toolbox | Image Compression Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 27 MB | 34 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AYLIN BICEN](https://appshunter.io/developer/1839275591) | [俊岚 贺](https://appshunter.io/developer/1892054410) |

## What reviewers say

### Flight Computer E6B & Toolbox

[App page](https://appshunter.io/ios/app/flight-computer-e6b-and-toolbox/id6753596143)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flight Computer Pro Mode | $9.99 | one-time |


### Image Compression Assistant

[App page](https://appshunter.io/ios/app/image-compression-assistant/id6762612155)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flight Computer E6B & Toolbox free?

Flight Computer E6B & Toolbox is free to download, with in-app purchases available.

### Is Image Compression Assistant free?

Image Compression Assistant is free to download, with no in-app purchases.

### Do Flight Computer E6B & Toolbox or Image Compression Assistant have ads?

Neither Flight Computer E6B & Toolbox nor Image Compression Assistant shows ads.

### Which is updated more often, Flight Computer E6B & Toolbox or Image Compression Assistant?

Flight Computer E6B & Toolbox ships an update every 3 weeks, and Image Compression Assistant every 3 days. Most recently, Flight Computer E6B & Toolbox was updated on October 12, 2026 and Image Compression Assistant on October 14, 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.*