# RayLab vs LittleVision

The clearest difference is in-app purchases: LittleVision at none against RayLab's 10. LittleVision also leads on ads (none vs shown). RayLab's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17.0). On price and update cadence there is nothing between them.

Both are free to download. RayLab sells 10 in-app purchases, starting at $3.99 per month. LittleVision asks for nothing beyond the download.

RayLab ships an update every 6 weeks, LittleVision every 2 months. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | RayLab | LittleVision |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (67 ratings)](https://appshunter.io/ios/app/raylab/id710190065/reviews)** | — |
| Number of ratings | **67** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 6 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kamyar Ghandi](https://appshunter.io/developer/710190068) | [Ian Roth](https://appshunter.io/developer/1071937621) |

## 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 |


### LittleVision

[App page](https://appshunter.io/ios/app/littlevision/id6759806547)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RayLab free?

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

### Is LittleVision free?

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

### Do RayLab or LittleVision have ads?

RayLab shows ads; LittleVision does not.

### Which is updated more often, RayLab or LittleVision?

RayLab ships an update every 6 weeks, and LittleVision every 2 months. Most recently, RayLab was updated on November 1, 2026 and LittleVision on October 25, 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.*