# Lock Trace vs LastUniqueAnswer

The clearest difference is ads: LastUniqueAnswer at none against Lock Trace's shown. LastUniqueAnswer also leads on iOS requirement (16.4 vs 18.2). 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 | Lock Trace | LastUniqueAnswer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | — |
| Size | 8 MB | 40 MB |
| Requires iOS | 18.2 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 9+ |
| Developer | [MOBLEDU YAZILIM DANISMANLIK ANONIM SIRKETI](https://appshunter.io/developer/737535050) | [Mahdi Tahavorgar](https://appshunter.io/developer/1896708687) |

## What reviewers say

### Lock Trace

[App page](https://appshunter.io/ios/app/lock-trace/id6748566579)

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

**In-app purchases:** none


### LastUniqueAnswer

[App page](https://appshunter.io/ios/app/lastuniqueanswer/id6776776949)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lock Trace free?

Lock Trace is free to download, with no in-app purchases.

### Is LastUniqueAnswer free?

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

### Do Lock Trace or LastUniqueAnswer have ads?

Lock Trace shows ads; LastUniqueAnswer 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.*