# AiiPoTools vs Simple PDF Compressor

The clearest difference is ads: AiiPoTools at none against Simple PDF Compressor's shown. AiiPoTools also leads on iOS requirement (12.4 vs 17.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | AiiPoTools | Simple PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Ad-supported |
| Size | 27 MB | 11 MB |
| Requires iOS | **12.4** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [VARAIN HD, K.K.](https://appshunter.io/developer/1535312889) | [MITSUKO MARGOT KUBOTA ONO](https://appshunter.io/developer/1799524637) |

## What reviewers say

### AiiPoTools

[App page](https://appshunter.io/ios/app/aiipotools/id6746666551)

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple PDF Compressor

[App page](https://appshunter.io/ios/app/simple-pdf-compressor/id6759846627)

Easily reduce the size of PDF files or combine multiple documents into a single PDF. Offers three compression levels and allows reordering files before merging. Processed documents can be shared or saved directly to your device.

**Highlights:** Reduce PDF file size, Merge multiple PDFs, Three compression strengths, Reorder files before merging, Preview before processing, On-device processing

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

**In-app purchases:** none


## Frequently asked questions

### Is AiiPoTools free?

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

### Is Simple PDF Compressor free?

Simple PDF Compressor is free to download, with no in-app purchases.

### Do AiiPoTools or Simple PDF Compressor have ads?

Simple PDF Compressor shows ads; AiiPoTools does not.

### Which is updated more often, AiiPoTools or Simple PDF Compressor?

AiiPoTools ships an update every 2 months, and Simple PDF Compressor every 2 months. Most recently, AiiPoTools was updated on October 3, 2026 and Simple PDF Compressor on October 7, 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.*