# Shady Encoding vs UnderMB

The clearest difference is ads: Shady Encoding at none against UnderMB's shown. UnderMB's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.2). On price 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.

## The numbers

| Metric | Shady Encoding | UnderMB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/undermb-file-size-compressor/id6811049521/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 11 days |
| Monetization | — | Ad-supported |
| Size | 2 MB | 9 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Tereshkin](https://appshunter.io/developer/1868195804) | [CEMRE SIMSEK](https://appshunter.io/developer/6801148028) |

## What reviewers say

### Shady Encoding

[App page](https://appshunter.io/ios/app/shady-encoding/id6757672242)

**Features:** macOS Compatibility

**In-app purchases:** none


### UnderMB

[App page](https://appshunter.io/ios/app/undermb-file-size-compressor/id6811049521)

Reduce the size of photos, videos, audio, and PDFs on your device. Select a target file size or use presets for common uploads like email or chat apps. Preview your compressed files before saving or sharing, with optional metadata removal.

**Highlights:** Compress images, videos, audio, and PDFs, Choose target file size (KB/MB), Built-in presets for uploads, Preview before saving, Optional metadata removal, Batch processing

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

**In-app purchases:** none


## Frequently asked questions

### Is Shady Encoding free?

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

### Is UnderMB free?

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

### Do Shady Encoding or UnderMB have ads?

UnderMB shows ads; Shady Encoding does not.

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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.*