# Prism Lab vs Refia

The clearest difference is rating: Refia at 5.0 against Prism Lab's 3.3. Refia also leads on in-app purchases (none vs 1) and update cadence (every 5 months vs every 216 months). Prism Lab's advantage is ratings volume (287 vs 2). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Prism Lab sells 1 one-off in-app purchase. Refia asks for nothing beyond the download.

Refia holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: Prism Lab has 287 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 80% of Prism Lab's written reviews are positive against 100% of Refia's.

Prism Lab ships an update every 216 months, Refia every 5 months. The most recent releases landed on October 31, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Prism Lab | Refia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (287 ratings)](https://appshunter.io/ios/app/prism-lab/id301875263/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/refia-learn-basic/id6467569203/reviews)** |
| Number of ratings | **287** | 2 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 216 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 2 MB | 45 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KZ Labs](https://appshunter.io/developer/1091008972) | [marouan kourdi](https://appshunter.io/developer/1708829196) |

## What reviewers say

### Prism Lab

[App page](https://appshunter.io/ios/app/prism-lab/id301875263)

This application simulates lasers passing through prisms, demonstrating light refraction and reflection using Snell's Law. Users can adjust light sources, materials, and prism shapes to observe how light's trajectory changes between environments. It's a practical tool for understanding optical principles.

**Highlights:** Laser refraction simulation, Snell's Law implementation, Adjustable light source, Variable prism shapes, Different material options, Angle calculation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $2.99 | one-time |


### Refia

[App page](https://appshunter.io/ios/app/refia-learn-basic/id6467569203)

Learn the basics of Refia, a dialect spoken in Morocco's Rif region, particularly in Nador. This application is designed to assist foreigners in acquiring knowledge of this specific dialect.

**Highlights:** Learn Refia dialect, Focus on Nador region, Aimed at foreigners, Basic vocabulary and phrases

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Prism Lab free?

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

### Is Refia free?

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

### Which has better reviews, Prism Lab or Refia?

Refia is rated higher. Prism Lab averages 3.3 out of 5 from 287 ratings, while Refia averages 5.0 from 2 ratings.

### Do Prism Lab or Refia have ads?

Neither Prism Lab nor Refia shows ads.

### Which is updated more often, Prism Lab or Refia?

Prism Lab ships an update every 216 months, and Refia every 5 months. Most recently, Prism Lab was updated on October 31, 2026 and Refia 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.*