# Topology Lens vs NothingDo

The clearest difference is iOS requirement: Topology Lens at 17.0 against NothingDo's 26.0. 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.

## The numbers

| Metric | Topology Lens | NothingDo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 7 MB | 2 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Kevin Wilkie](https://appshunter.io/developer/1867772930) | [Tarik Zukic](https://appshunter.io/developer/1648370934) |

## What reviewers say

### Topology Lens

[App page](https://appshunter.io/ios/app/topology-lens/id6758349599)

**Features:** macOS Compatibility

**In-app purchases:** none


### NothingDo

[App page](https://appshunter.io/ios/app/nothingdo/id6779089682)

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

**In-app purchases:** none


## Frequently asked questions

### Is Topology Lens free?

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

### Is NothingDo free?

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

### Do Topology Lens or NothingDo have ads?

Neither Topology Lens nor NothingDo shows ads.

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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.*