# ToDo Tab vs Spy PDF

The clearest difference is ads: Spy PDF at none against ToDo Tab's shown. Spy PDF also leads on iOS requirement (13.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | ToDo Tab | Spy PDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | — |
| Size | 6 MB | 32 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masaya Sugino](https://appshunter.io/developer/1144016222) | [JAEMIN LEE](https://appshunter.io/developer/1787329213) |

## What reviewers say

### ToDo Tab

[App page](https://appshunter.io/ios/app/todo-tab/id6741721449)

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

**In-app purchases:** none


### Spy PDF

[App page](https://appshunter.io/ios/app/spy-pdf-pdf-viewer/id6780379740)

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

**In-app purchases:** none


## Frequently asked questions

### Is ToDo Tab free?

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

### Is Spy PDF free?

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

### Do ToDo Tab or Spy PDF have ads?

ToDo Tab shows ads; Spy PDF does not.

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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.*