# RayLab vs Chroma Master

The clearest difference is ads: Chroma Master at none against RayLab's shown. Chroma Master also leads on update cadence (daily vs every 6 weeks). RayLab's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 26.1). On price and in-app purchases there is nothing between them.

Both are free to download. RayLab sells 10 in-app purchases, starting at $3.99 per month and Chroma Master sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

RayLab ships an update every 6 weeks, Chroma Master daily. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | RayLab | Chroma Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (63 ratings)](https://appshunter.io/ios/app/raylab/id710190065/reviews)** | — |
| Number of ratings | **63** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 110 MB |
| Requires iOS | **11.0** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kamyar Ghandi](https://appshunter.io/developer/710190068) | [浩伦 徐](https://appshunter.io/developer/1858111361) |

## What reviewers say

### RayLab

[App page](https://appshunter.io/ios/app/raylab/id710190065)

Design and simulate optical systems with this powerful tool. Explore 2D and 3D models, perform advanced ray tracing, and analyze optical performance. Ideal for learning or professional design.

**Highlights:** 2D/3D optical modeling, Geometric ray tracing, Sequential and non-sequential analysis, Advanced optical elements, Polarization ray tracing, Design optimization, Glass catalogs

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RayLab Pro Subscription | $3.99 | per month |
| RayLab Pro Upgrade | Free | one-time |
| Schott Glass Catalog | $0.99 | one-time |
| Custom Glass Editor | $0.99 | one-time |
| Advanced Optical Elements | $1.99 | one-time |
| Source and Lens Arrays | $1.99 | one-time |
| Solver/Optimizer Module | $3.99 | one-time |
| 3D Modeling | $4.99 | one-time |
| RayLab Pro 2 | $19.99 | one-time |
| RayLab Pro Bundle | $19.99 | one-time |


### Chroma Master

[App page](https://appshunter.io/ios/app/chroma-master/id6756039254)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $1.99 | per month |


## Frequently asked questions

### Is RayLab free?

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

### Is Chroma Master free?

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

### Do RayLab or Chroma Master have ads?

RayLab shows ads; Chroma Master does not.

### Which is updated more often, RayLab or Chroma Master?

RayLab ships an update every 6 weeks, and Chroma Master daily. Most recently, RayLab was updated on October 7, 2026 and Chroma Master on October 8, 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.*