# Lightamins vs Psychology

The clearest difference is price: Psychology at Free against Lightamins's $2.99. Psychology also leads on update cadence (every 10 days vs every 11 months) and iOS requirement (15.0 vs 26.6). Lightamins's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

Psychology is free to download; Lightamins costs $2.99 up front. Psychology sells 1 one-off in-app purchase. Lightamins asks for nothing beyond the download.

Lightamins ships an update every 11 months, Psychology every 10 days. The most recent releases landed on October 24, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Lightamins | Psychology |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/lightamins/id1135227801/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 10 days** |
| Monetization | Paid | — |
| Size | 15 MB | 203 MB |
| Requires iOS | 26.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Vision Therapy Unlimited LLC](https://appshunter.io/developer/1135227800) | [Man Hung Sun](https://appshunter.io/developer/1471605573) |

## What reviewers say

### Lightamins

[App page](https://appshunter.io/ios/app/lightamins/id1135227801)

Experience the nurturing power of sunlight's seven colored rays. Select and view colors that make you feel good at your own pace. This app is not a substitute for professional medical advice.

**Highlights:** View 7 colored rays of sunlight, Select colors for mood enhancement, Personalized pacing, Nurturing light therapy, Color selection for well-being

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Psychology

[App page](https://appshunter.io/ios/app/psychology-criminal/id1667207291)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| upgrade | $0.99 | one-time |


## Frequently asked questions

### Is Lightamins free?

Lightamins costs $2.99, with no in-app purchases.

### Is Psychology free?

Psychology is free to download, with in-app purchases available.

### Do Lightamins or Psychology have ads?

Neither Lightamins nor Psychology shows ads.

### Which is updated more often, Lightamins or Psychology?

Lightamins ships an update every 11 months, and Psychology every 10 days. Most recently, Lightamins was updated on October 24, 2026 and Psychology on September 29, 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.*