# Indigo PDF vs Pdf Tools

The clearest difference is in-app purchases: Indigo PDF at none against Pdf Tools's 1. Indigo PDF also leads on ads (none vs shown) and update cadence (every 4 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Pdf Tools sells 1 one-off in-app purchase. Indigo PDF asks for nothing beyond the download.

Indigo PDF ships an update every 4 days, Pdf Tools every 3 weeks. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Indigo PDF | Pdf Tools |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 6 MB | 81 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sean Murray](https://appshunter.io/developer/1881318444) | [Percy Ng'uni](https://appshunter.io/developer/1788450936) |

## What reviewers say

### Indigo PDF

[App page](https://appshunter.io/ios/app/indigo-pdf/id6759861292)

**Features:** Vision Pro support

**In-app purchases:** none


### Pdf Tools

[App page](https://appshunter.io/ios/app/pdf-tools-36-plus-tools-to-use/id6792487363)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Forever | $3.99 | one-time |


## Frequently asked questions

### Is Indigo PDF free?

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

### Is Pdf Tools free?

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

### Do Indigo PDF or Pdf Tools have ads?

Pdf Tools shows ads; Indigo PDF does not.

### Which is updated more often, Indigo PDF or Pdf Tools?

Indigo PDF ships an update every 4 days, and Pdf Tools every 3 weeks. Most recently, Indigo PDF was updated on October 31, 2026 and Pdf Tools on November 5, 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.*