# StimuliApp vs Rybit Europe

The clearest difference is iOS requirement: StimuliApp at 13.0 against Rybit Europe's 16.4. On price, update cadence, 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.

StimuliApp ships an update every 6 weeks, Rybit Europe monthly. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | StimuliApp | Rybit Europe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stimuliapp/id1497026540/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 10 MB | 108 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rafael Marin Campos](https://appshunter.io/developer/1497026539) | [Moov Technology (S) Pte. Ltd.](https://appshunter.io/developer/1467143830) |

## What reviewers say

### StimuliApp

[App page](https://appshunter.io/ios/app/stimuliapp/id1497026540)

Create precise psychophysical tests on iOS devices without programming. Assess perceptual capabilities using various stimuli like images, sounds, and videos with synchronized visual and auditory output. Features include real-time preview and automatic report generation.

**Highlights:** Precise timing with Metal framework, 60 or 120 Hz test options, Synchronized visual and auditory stimulation, Interactive stimulus creation with preview, Automatic report generation, Gamma-correction features

**In-app purchases:** none


### Rybit Europe

[App page](https://appshunter.io/ios/app/rybit-europe/id6444415350)

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

**In-app purchases:** none


## Frequently asked questions

### Is StimuliApp free?

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

### Is Rybit Europe free?

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

### Do StimuliApp or Rybit Europe have ads?

Neither StimuliApp nor Rybit Europe shows ads.

### Which is updated more often, StimuliApp or Rybit Europe?

StimuliApp ships an update every 6 weeks, and Rybit Europe monthly. Most recently, StimuliApp was updated on October 29, 2026 and Rybit Europe on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*