# PDF Unlocker Pro vs ImGui Debug Tool

The clearest difference is update cadence: ImGui Debug Tool at daily against PDF Unlocker Pro's every 5 days. ImGui Debug Tool also leads on iOS requirement (14.0 vs 16.0). On price, ads, 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.

PDF Unlocker Pro ships an update every 5 days, ImGui Debug Tool daily. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | PDF Unlocker Pro | ImGui Debug Tool |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Daily** |
| Size | 5 MB | 9 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ashen Ishanka Costha](https://appshunter.io/developer/1566497857) | [JACKFRUIT CLOUD LLC](https://appshunter.io/developer/6808212480) |

## What reviewers say

### PDF Unlocker Pro

[App page](https://appshunter.io/ios/app/pdf-unlocker-pro/id6752602587)

**Features:** macOS Compatibility

**In-app purchases:** none


### ImGui Debug Tool

[App page](https://appshunter.io/ios/app/imgui-debug-tool/id6808212478)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Unlocker Pro free?

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

### Is ImGui Debug Tool free?

ImGui Debug Tool is free to download, with no in-app purchases.

### Do PDF Unlocker Pro or ImGui Debug Tool have ads?

Neither PDF Unlocker Pro nor ImGui Debug Tool shows ads.

### Which is updated more often, PDF Unlocker Pro or ImGui Debug Tool?

PDF Unlocker Pro ships an update every 5 days, and ImGui Debug Tool daily. Most recently, PDF Unlocker Pro was updated on October 13, 2026 and ImGui Debug Tool on October 3, 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.*