# Robot Reeva vs Sensor Viewer

The clearest difference is in-app purchases: Robot Reeva at none against Sensor Viewer's 2. Robot Reeva also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Sensor Viewer sells 2 in-app purchases, starting at $0.99 per year. Robot Reeva asks for nothing beyond the download.

## The numbers

| Metric | Robot Reeva | Sensor Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 16 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Grigoriy Glazman](https://appshunter.io/developer/1448501053) | [Salisbury Apps](https://appshunter.io/developer/1095141053) |

## What reviewers say

### Robot Reeva

[App page](https://appshunter.io/ios/app/robot-reeva/id1611372733)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sensor Viewer

[App page](https://appshunter.io/ios/app/sensor-viewer/id6765755753)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $0.99 | per year |
| One time / Lifetime purchase | $1.99 | one-time |


## Frequently asked questions

### Is Robot Reeva free?

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

### Is Sensor Viewer free?

Sensor Viewer is free to download, with in-app purchases available.

### Do Robot Reeva or Sensor Viewer have ads?

Neither Robot Reeva nor Sensor Viewer 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.*