# UnderLimit: PDF Compressor — Shrink Photos to Target Size

> Shrink Photos to Target Size (iPhone/iPad app by ALESSANDRO VINCENZO DEL BALZO.)

- Source: https://appshunter.io/ios/app/underlimit-pdf-compressor/id6813135044 (this page in markdown: same URL + `.md`)
- Developer: [ALESSANDRO VINCENZO DEL BALZO](https://appshunter.io/developer/6813135046)
- Category: Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 4 MB
- Languages: American English
- Released: 2026-09-22
- Data updated: 2026-10-14

## What is UnderLimit?

Make your files fit the limit.

UnderLimit helps you reduce photos and PDFs to the file size you actually need. Choose your target size, and UnderLimit handles the compression while preserving the best quality possible.

PERFECT FOR FILE SIZE LIMITS

Need a photo under 1 MB? A PDF under 5 MB? An attachment small enough to upload or send?

Set the target size and let UnderLimit do the work.

PHOTO COMPRESSION

• Compress photos to a target file size
• Reduce image size in KB or MB
• Keep the best quality possible
• Quickly prepare images for uploads, forms, email, and sharing

PDF COMPRESSION

• Reduce PDF file size
• Choose the maximum size you need
• Prepare PDFs for upload limits and attachments
• Simple, fast workflow

SMART RECOMMENDATIONS

Not sure which target size to choose? UnderLimit can help you select an appropriate size for your file.

PRIVATE BY DESIGN

Your files are processed directly on your device. Your photos and PDFs don't need to be uploaded to a remote server for compression.

SIMPLE PRICING

Start using UnderLimit for free. If you need more, unlock UnderLimit Unlimited with a one-time purchase.

No subscription.
No ads.
No account required.

UNDERLIMIT IS USEFUL FOR

• Online forms and portals
• Email attachments
• Applications and document submissions
• Websites with maximum upload sizes
• Reducing photos before sharing
• Compressing PDFs for size-restricted uploads

Stop guessing compression levels. Choose the size you need and make your file fit the limit.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| UnderLimit Unlimited | $2.99 | one-time |



## Version history (last 5 releases)

### 1.4 — 2026-10-03

What’s New in UnderLimit 1.4

• PDF compression is now far more accurate: the result lands close to the size you choose instead of dropping far below it
• Preserve Text now really reduces PDFs and keeps text searchable and selectable
• Smart Analysis only recommends sizes that UnderLimit can actually reach
• Better recommendations for long PDFs
• General stability improvements

### 1.3 — 2026-10-03

What’s New in UnderLimit 1.3

• Now works on iOS 17 and later
• Privacy Policy and Terms of Use links added to the Unlimited screen
• Improved saving of optimized photos on older iOS versions
• General stability improvements

### 1.2 — 2026-10-01

What’s New in UnderLimit 1.2

• More accurate PDF Smart Analysis: Strong Compression recommendations now respect the minimum target needed to preserve readable quality.
• Improved consistency between analysis, recommended target, and actual compression.
• Smart Analysis notes are now fully localized.
• Safer PDF importing with additional validation to confirm that the selected file is a valid PDF.
• General stability and reliability improvements.

### 1.1 — 2026-09-30

We've refined UnderLimit to make the experience clearer and easier to use, with improvements to photo and PDF compression, smart analysis, and overall app reliability.

### 1.0 — 2026-09-22

No release notes.

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| --- | --- | --- | --- |
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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 2026-10-14.*