# Psych Lab 101 vs HSUHK

The clearest difference is rating: HSUHK at 3.0 against Psych Lab 101's 2.5. HSUHK also leads on update cadence (fortnightly vs every 13 months) and iOS requirement (10.0 vs 12.0). On price, ratings volume, 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.

HSUHK holds the better App Store score, 3.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Psych Lab 101 ships an update every 13 months, HSUHK fortnightly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Psych Lab 101 | HSUHK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/psych-lab-101/id1014084546/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/hsuhk/id1483879180/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 35 MB | 83 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Neurobehavioral Systems, Inc.](https://appshunter.io/developer/705361617) | [The Hang Seng University of Hong Kong](https://appshunter.io/developer/995119967) |

## 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


### HSUHK

[App page](https://appshunter.io/ios/app/hsuhk/id1483879180)

This app provides HSUHK students and staff with secure login to eCampus using two-factor authentication. It also allows users to easily access the latest university news on their mobile devices.

**Highlights:** Two-factor authentication for eCampus, Secure account login, Browse HSUHK news, Mobile access for students and staff

**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 HSUHK free?

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

### Which has better reviews, Psych Lab 101 or HSUHK?

HSUHK is rated higher. Psych Lab 101 averages 2.5 out of 5 from 2 ratings, while HSUHK averages 3.0 from 2 ratings.

### Do Psych Lab 101 or HSUHK have ads?

Neither Psych Lab 101 nor HSUHK shows ads.

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

Psych Lab 101 ships an update every 13 months, and HSUHK fortnightly. Most recently, Psych Lab 101 was updated on November 1, 2026 and HSUHK on November 3, 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.*