# ココだけのチャット vs Compress It! PDF Compressor

The clearest difference is in-app purchases: ココだけのチャット at none against Compress It! PDF Compressor's 3. ココだけのチャット also leads on iOS requirement (14.0 vs 18.0). Compress It! PDF Compressor's advantage is update cadence (fortnightly vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Compress It! PDF Compressor sells 3 in-app purchases, starting at $2.49 per month. ココだけのチャット asks for nothing beyond the download.

ココだけのチャット ships an update every 7 months, Compress It! PDF Compressor fortnightly. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ココだけのチャット | Compress It! PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (457 ratings)](https://appshunter.io/ios/app/compress-it-pdf-compressor/id1661806464/reviews)** |
| Number of ratings | — | **457** |
| Positive reviews | — | 77.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 2 MB | 21 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [MUNEATSU G.K.](https://appshunter.io/developer/1534902759) | [DIGISET LLC](https://appshunter.io/developer/944123342) |

## What reviewers say

### ココだけのチャット

[App page](https://appshunter.io/ios/app/id1624377243)

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

**In-app purchases:** none


### Compress It! PDF Compressor

[App page](https://appshunter.io/ios/app/compress-it-pdf-compressor/id1661806464)

Easily reduce the file size of your PDF documents with a simple, secure, and privacy-focused tool. Compress PDFs in just three steps, directly on your device, and share them instantly. Enjoy fast and efficient document management without complex features.

**Highlights:** PDF compression in 3 easy steps, Selectable compression levels, Import PDFs from files or other apps, Fast and secure on-device processing, Share and print compressed PDFs, Privacy-oriented design

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Compress It! Pro Monthly | $2.49 | per month |
| Compress It! Yearly Subscription | $12.99 | per year |
| Compress It! Pro Lifetime | $24.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- ✨ No ads
- 🚀 Works really good
- 💯 Gets the job done
- 💰 Saves time and money

**What reviewers complain about**

- 🐛 Crashes with files over 200mb
- 🐛 Does not work with files over 300mb
- 🐛 Images become pixelated
- 🐛 Decompressing to original size unknown
- 🐛 'Choose file' button not working

**Reported bugs**

- Crashes when compressing files above 200mb on iPad 9th gen
- Does not work with files over 300mb
- Images in documents become big and pixelated
- Cannot find compressed files on the device
- 'Choose file' button does not work

**Requested features**

- Allow compression of files over 300mb
- Improve handling of images in documents
- Clarify decompressing to original size functionality
- Fix 'Choose file' button
- Enable compression of photos


## Frequently asked questions

### Is ココだけのチャット free?

ココだけのチャット is free to download, with no in-app purchases.

### Is Compress It! PDF Compressor free?

Compress It! PDF Compressor is free to download, with in-app purchases available.

### Do ココだけのチャット or Compress It! PDF Compressor have ads?

Neither ココだけのチャット nor Compress It! PDF Compressor shows ads.

### Which is updated more often, ココだけのチャット or Compress It! PDF Compressor?

ココだけのチャット ships an update every 7 months, and Compress It! PDF Compressor fortnightly. Most recently, ココだけのチャット was updated on October 18, 2026 and Compress It! PDF Compressor on October 24, 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.*