# Sensor 3.0 vs Per

The clearest difference is device support: Sensor 3.0 at 4 against Per's 1. Sensor 3.0 also leads on iOS requirement (12.0 vs 18.1). On price, ads and in-app purchases 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 | Sensor 3.0 | Per |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sensor-30/id1659400673/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 166 MB | 4 MB |
| Requires iOS | **12.0** | 18.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Diversitas IT sustavi d.o.o.](https://appshunter.io/developer/905275058) | [Steven Hayim Winnick](https://appshunter.io/developer/1818256259) |

## What reviewers say

### Sensor 3.0

[App page](https://appshunter.io/ios/app/sensor-30/id1659400673)

Create a 3D avatar for anonymous participation in a virtual research environment. This free app offers an immersive experience for users to engage in studies while maintaining their privacy.

**Highlights:** Create 3D avatars, Anonymous participation, Immersive research experience, Virtual environment, User-friendly interface

**In-app purchases:** none


### Per

[App page](https://appshunter.io/ios/app/per-the-experience-app/id6749811331)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sensor 3.0 free?

Sensor 3.0 is free to download, with no in-app purchases.

### Is Per free?

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

### Do Sensor 3.0 or Per have ads?

Neither Sensor 3.0 nor Per 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.*