# UnderMB: File Size Compressor — Compress Video, Photo & PDF

> Compress Video, Photo & PDF (iPhone/iPad app by CEMRE SIMSEK.)

- Source: https://appshunter.io/ios/app/undermb-file-size-compressor/id6811049521 (this page in markdown: same URL + `.md`)
- Developer: [CEMRE SIMSEK](https://appshunter.io/developer/6801148028)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 9 MB
- Languages: American English
- Released: 2026-09-30
- Data updated: 2026-10-09

## What is UnderMB?

UnderMB helps you reduce photo, video, audio, and PDF file sizes to fit common upload limits. Processing happens on your device.

WHAT IT DOES
• Choose a target size: 500 KB, 1 MB, 2 MB, 5 MB, or a custom value
• Compress images, videos, audio files, and PDFs
• Preview results before saving or sharing
• Built-in presets for email, visa forms, WhatsApp, and similar uploads
• Optional metadata removal (EXIF/GPS, PDF info)
• Batch queue for multiple files
• Save to Files or share from the app

PRIVACY
UnderMB does not require an account. Files are processed locally and are not uploaded to UnderMB servers.

GOOD FOR
• Forms and portals with file size limits
• Smaller email attachments
• Chat apps with upload caps
• Reducing file size before sharing

## Is UnderMB safe?

Not enough ratings yet to assess UnderMB.

## Is UnderMB legit?

UnderMB: File Size Compressor has limited verification signals. The AppsHunter Legitimacy Score for UnderMB is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.0.1 — 2026-10-07

• Improved compression speed and quality for video and photos
• Enhanced background processing for batch files
• Minor bug fixes and UI performance optimizations

### 1.0 — 2026-10-01

No release notes.

## More apps by CEMRE SIMSEK

- [KelimeGO: Türkçe Kelime Oyunu](https://appshunter.io/ios/app/kelimego-turkce-kelime-oyunu/id6807430358)
- [Tivox: Sliding Tile Puzzle](https://appshunter.io/ios/app/tivox-sliding-tile-puzzle/id6811366742)

All apps by CEMRE SIMSEK: https://appshunter.io/developer/6801148028

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-09.*