# Psych Lab 101 vs Performance Máxima

The clearest difference is update cadence: Performance Máxima at every 2 months against Psych Lab 101's every 13 months. Psych Lab 101's advantage is iOS requirement (12.0 vs 15.1). 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.

Psych Lab 101 ships an update every 13 months, Performance Máxima every 2 months. The most recent releases landed on November 1, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Psych Lab 101 | Performance Máxima |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/psych-lab-101/id1014084546/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 35 MB | 44 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Neurobehavioral Systems, Inc.](https://appshunter.io/developer/705361617) | [The Members](https://appshunter.io/developer/1653824858) |

## What reviewers say

### Psych Lab 101

[App page](https://appshunter.io/ios/app/psych-lab-101/id1014084546)

Explore 35 psychology experiments and 11 visual illusions. Compare your results to classic findings and adjust parameters to see how perception changes. Includes background information and options for class data analysis.

**Highlights:** 35 psychology experiments, 11 adjustable visual illusions, Background information and references, Multiple experiment versions, Class data analysis upload, Interactive parameter adjustment

**Features:** macOS Compatibility

**In-app purchases:** none


### Performance Máxima

[App page](https://appshunter.io/ios/app/performance-maxima/id6740007995)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Psych Lab 101 free?

Psych Lab 101 is free to download, with no in-app purchases.

### Is Performance Máxima free?

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

### Do Psych Lab 101 or Performance Máxima have ads?

Neither Psych Lab 101 nor Performance Máxima shows ads.

### Which is updated more often, Psych Lab 101 or Performance Máxima?

Psych Lab 101 ships an update every 13 months, and Performance Máxima every 2 months. Most recently, Psych Lab 101 was updated on November 1, 2026 and Performance Máxima on November 12, 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.*