StimuliApp vs QT Random Number Generator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StimuliApp
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.
- 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
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StimuliApp is an app designed to create psychophysical tests with precise timing on iOS devices (iPad and iPhone). Psychophysical tests are tests to assess perceptual capabilities. With a simple system of menus, different types of tests including the most common stimuli (gabors, random dots, images, sounds and videos among others) can be created. Programming skills are not necessary. Features: - Precise timing (frames are not dropped) thanks to the use of the native framework Metal, which provides a direct access to the GPU of the iOS device. - Option to run tests at 60 or 120 Hz depending on the model of the device. - Visual and auditory stimulation are synchronized. - Interactive creation of stimuli using real-time preview. - Possibility of using different spatial and time units. - Gamma-correction features. - Automatic report generation.
QT Random Number Generator
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.
- Generate random numbers
- Set maximum value
- Clean, modern interface
- Quick and accurate results
- No account required
- Works offline
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QT Random Number Generator is a fast, simple, and easy-to-use app for generating random numbers anytime you need them. Choose your maximum value and instantly generate a truly random number. Whether you’re picking a winner, making a decision, running a game, or just need a quick random result, this app gets the job done with no distractions. - Clean, modern interface - Quick and accurate random results - No account or setup required - Works offline - Lightweight and easy to use Perfect for games, giveaways, contests, classrooms, decision-making, and everyday use.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | StimuliApp | QT Random Number Generator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (4 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 6 weeks — better | Every 11 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 10 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Rafael Marin Campos | Web Services Utah LLC |
Customer experience
StimuliApp
QT Random Number Generator
In-app purchases
StimuliApp
No in-app purchases
QT Random Number Generator
No in-app purchases
Questions
Is StimuliApp free?
Is QT Random Number Generator free?
Which has better reviews, StimuliApp or QT Random Number Generator?
Do StimuliApp or QT Random Number Generator have ads?
Which is updated more often, StimuliApp or QT Random Number Generator?
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