# ROS Topic Viewer vs API Nauta

The clearest difference is price: API Nauta at Free against ROS Topic Viewer's $4.99. API Nauta also leads on ads (none vs shown). ROS Topic Viewer's advantage is iOS requirement (17.0 vs 26.5). On in-app purchases and device support there is nothing between them.

API Nauta is free to download; ROS Topic Viewer costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | ROS Topic Viewer | API Nauta |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Size | 6 MB | 2 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Jatupon Hongweing](https://appshunter.io/developer/1896471199) | [Angel Rueda](https://appshunter.io/developer/1040687640) |

## What reviewers say

### ROS Topic Viewer

[App page](https://appshunter.io/ios/app/ros-topic-viewer/id6783347908)

**Features:** macOS Compatibility

**In-app purchases:** none


### API Nauta

[App page](https://appshunter.io/ios/app/api-nauta/id6801584706)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ROS Topic Viewer free?

ROS Topic Viewer costs $4.99, with no in-app purchases.

### Is API Nauta free?

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

### Do ROS Topic Viewer or API Nauta have ads?

ROS Topic Viewer shows ads; API Nauta 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.*