# StimuliApp vs QT Random Number Generator

The clearest difference is ads: StimuliApp at none against QT Random Number Generator's shown. StimuliApp also leads on update cadence (every 6 weeks vs every 11 months) and monetization model (free vs ad-supported). QT Random Number Generator's advantage is ratings volume (4 vs 1). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for StimuliApp against 5.0 for QT Random Number Generator. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

StimuliApp ships an update every 6 weeks, QT Random Number Generator every 11 months. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | StimuliApp | QT Random Number Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/stimuliapp/id1497026540/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/qt-random-number-generator/id6483002122/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 11 months |
| Monetization | **Free** | Ad-supported |
| Size | 10 MB | 12 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rafael Marin Campos](https://appshunter.io/developer/1497026539) | [Web Services Utah LLC](https://appshunter.io/developer/1740012772) |

## 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


### QT Random Number Generator

[App page](https://appshunter.io/ios/app/qt-random-number-generator/id6483002122)

Generate random numbers quickly and easily for various purposes. This app offers a clean interface and accurate results without requiring an account or internet connection. It's perfect for games, decision-making, or any situation needing a random outcome.

**Highlights:** Generate random numbers, Set maximum value, Clean, modern interface, Quick and accurate results, No account required, Works offline

**In-app purchases:** none


## Frequently asked questions

### Is StimuliApp free?

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

### Is QT Random Number Generator free?

QT Random Number Generator is free to download, with no in-app purchases.

### Which has better reviews, StimuliApp or QT Random Number Generator?

StimuliApp and QT Random Number Generator are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do StimuliApp or QT Random Number Generator have ads?

QT Random Number Generator shows ads; StimuliApp does not.

### Which is updated more often, StimuliApp or QT Random Number Generator?

StimuliApp ships an update every 6 weeks, and QT Random Number Generator every 11 months. Most recently, StimuliApp was updated on October 11, 2026 and QT Random Number Generator on October 7, 2026.

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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.*