# PDF vs Indigo Links

The clearest difference is in-app purchases: Indigo Links at none against PDF's 10. Indigo Links also leads on iOS requirement (13.0 vs 15.0). PDF's advantage is update cadence (every 6 weeks vs every 22 months) and device support. On price there is nothing between them.

Both are free to download. PDF sells 8 in-app purchases, starting at $3.99 per 7 days. Indigo Links asks for nothing beyond the download.

PDF ships an update every 6 weeks, Indigo Links every 22 months. The most recent releases landed on October 21, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | PDF | Indigo Links |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (1.4K ratings)](https://appshunter.io/ios/app/pdf-scanner-reader-and-editor/id1536913299/reviews)** | — |
| Number of ratings | **1.4K** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | **Every 6 weeks** | Every 22 months |
| Monetization | Free with in-app purchases | — |
| Size | 228 MB | 41 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Pravin Gondaliya](https://appshunter.io/developer/1210259494) | [Indigo Links Pty Ltd](https://appshunter.io/developer/1765532262) |

## What reviewers say

### PDF

[App page](https://appshunter.io/ios/app/pdf-scanner-reader-and-editor/id1536913299)

This app transforms your device into a comprehensive document management tool. Scan, read, edit, and securely sign PDFs with features like OCR, PIN protection, and cloud integration. Organize all your files effortlessly for work, study, or personal use.

**Highlights:** PIN Protection & Secure File Locking, Electronic Signature, Smart Document Scanner, Accurate OCR (Text Recognition), All-in-One File Manager, Multi-Format Export (PDF, JPG), Page Management Tools

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Camera Scanner Week | $3.99 | per 7 days |
| PDF Scanner - 1 Month | $4.99 | per month |
| Camera Scanner Pro | $5.99 | per 7 days |
| Camera Scanner Lite | $9.99 | per month |
| Camera Scanner Lite | $9.99 | per month |
| Camera Scanner Pro | $23.99 | per year |
| Camera Scanner Pro | $39.99 | per year |
| PDF Scanner - Lifetime | $79.99 | one-time |


### Indigo Links

[App page](https://appshunter.io/ios/app/indigo-links/id6670269913)

**In-app purchases:** none


## Frequently asked questions

### Is PDF free?

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

### Is Indigo Links free?

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

### Which is updated more often, PDF or Indigo Links?

PDF ships an update every 6 weeks, and Indigo Links every 22 months. Most recently, PDF was updated on October 21, 2026 and Indigo Links on October 18, 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.*