# Indigo PDF Tools vs Formulize

The clearest difference is in-app purchases: Indigo PDF Tools at none against Formulize's 1. Indigo PDF Tools also leads on device support and iOS requirement (15.0 vs 17.5). On price there is nothing between them.

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

## The numbers

| Metric | Indigo PDF Tools | Formulize |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Size | 4 MB | 30 MB |
| Requires iOS | **15.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Sean Murray](https://appshunter.io/developer/1718979098) | [Morten Gregersen](https://appshunter.io/developer/414244543) |

## What reviewers say

### Indigo PDF Tools

[App page](https://appshunter.io/ios/app/indigo-pdf-tools/id6473455397)

**Features:** macOS Compatibility

**In-app purchases:** none


### Formulize

[App page](https://appshunter.io/ios/app/formulize/id6503178796)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Formulize Pro | $2.99 | one-time |


## Frequently asked questions

### Is Indigo PDF Tools free?

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

### Is Formulize free?

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

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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.*