# StimuliApp vs Vision Hero

The clearest difference is update cadence: Vision Hero at every 3 days against StimuliApp's every 6 weeks. On price, ads, 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.

StimuliApp ships an update every 6 weeks, Vision Hero every 3 days. The most recent releases landed on September 25, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | StimuliApp | Vision Hero |
| --- | --- | --- |
| 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 | **Every 3 days** |
| Monetization | Free | — |
| Size | 10 MB | 14 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rafael Marin Campos](https://appshunter.io/developer/1497026539) | [Zhegang Xu](https://appshunter.io/developer/1710880748) |

## 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


### Vision Hero

[App page](https://appshunter.io/ios/app/vision-hero/id6749789549)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is StimuliApp free?

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

### Is Vision Hero free?

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

### Do StimuliApp or Vision Hero have ads?

Neither StimuliApp nor Vision Hero shows ads.

### Which is updated more often, StimuliApp or Vision Hero?

StimuliApp ships an update every 6 weeks, and Vision Hero every 3 days. Most recently, StimuliApp was updated on September 25, 2026 and Vision Hero on October 10, 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.*