# PDF Shuffler vs Eyesense Training

The clearest difference is in-app purchases: Eyesense Training at none against PDF Shuffler's 1. Eyesense Training also leads on update cadence (every 2 days vs weekly) and iOS requirement (14.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. PDF Shuffler sells 1 in-app purchase, starting at $3.99 per month. Eyesense Training asks for nothing beyond the download.

PDF Shuffler ships an update weekly, Eyesense Training every 2 days. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | PDF Shuffler | Eyesense Training |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Size | 146 MB | 28 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Arseni Laputska](https://appshunter.io/developer/1810265072) | [Penraeth LLC](https://appshunter.io/developer/1822732047) |

## What reviewers say

### PDF Shuffler

[App page](https://appshunter.io/ios/app/pdf-shuffler-scan-ocr-tools/id6744976331)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |


### Eyesense Training

[App page](https://appshunter.io/ios/app/eyesense-training/id6747746284)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Shuffler free?

PDF Shuffler is free to download, with in-app purchases available.

### Is Eyesense Training free?

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

### Do PDF Shuffler or Eyesense Training have ads?

Neither PDF Shuffler nor Eyesense Training shows ads.

### Which is updated more often, PDF Shuffler or Eyesense Training?

PDF Shuffler ships an update weekly, and Eyesense Training every 2 days. Most recently, PDF Shuffler was updated on October 7, 2026 and Eyesense Training on October 2, 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.*