# pdf compressor vs Aditum

The clearest difference is in-app purchases: Aditum at none against pdf compressor's 2. Aditum also leads on update cadence (daily vs weekly) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. pdf compressor sells 2 in-app purchases, starting at $2.99 per 7 days. Aditum asks for nothing beyond the download.

pdf compressor ships an update weekly, Aditum daily. The most recent releases landed on October 14, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | pdf compressor | Aditum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Size | 117 MB | 32 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Challa Somesh](https://appshunter.io/developer/1818069707) | [Ideil](https://appshunter.io/developer/1086359623) |

## What reviewers say

### pdf compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-docucraft/id6748410268)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DocuCraft | $2.99 | per 7 days |
| DocuCraft | $29.99 | per year |


### Aditum

[App page](https://appshunter.io/ios/app/aditum/id6811000076)

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

**In-app purchases:** none


## Frequently asked questions

### Is pdf compressor free?

pdf compressor is free to download, with in-app purchases available.

### Is Aditum free?

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

### Do pdf compressor or Aditum have ads?

Neither pdf compressor nor Aditum shows ads.

### Which is updated more often, pdf compressor or Aditum?

pdf compressor ships an update weekly, and Aditum daily. Most recently, pdf compressor was updated on October 14, 2026 and Aditum on September 29, 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.*