# iPhasematch vs RayLab

The clearest difference is in-app purchases: iPhasematch at none against RayLab's 10. iPhasematch also leads on ads (none vs shown) and rating (5.0 vs 4.6). RayLab's advantage is update cadence (every 6 weeks vs every 7 months) and ratings volume (63 vs 2). On price and device support there is nothing between them.

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

iPhasematch holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: RayLab has 63 ratings behind it against 2, so its average is the more settled of the two.

iPhasematch ships an update every 7 months, RayLab every 6 weeks. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | iPhasematch | RayLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/iphasematch/id492370060/reviews)** | [4.6 (63 ratings)](https://appshunter.io/ios/app/raylab/id710190065/reviews) |
| Number of ratings | 2 | **63** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 39 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yushi Kaneda](https://appshunter.io/developer/492370063) | [Kamyar Ghandi](https://appshunter.io/developer/710190068) |

## What reviewers say

### iPhasematch

[App page](https://appshunter.io/ios/app/iphasematch/id492370060)

Calculate nonlinear optical effects like second-harmonic generation and spontaneous parametric down-conversion. This app provides phasematching orientations, nonlinear coefficients, and tolerance values for various crystals based on Sellmeier equations.

**Highlights:** Phasematching condition calculation, Sellmeier equation integration, Effective nonlinear optical coefficients, Walk-off and angular tolerance, Temperature tolerance, Supported crystal list

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is iPhasematch free?

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

### Is RayLab free?

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

### Which has better reviews, iPhasematch or RayLab?

iPhasematch is rated higher. iPhasematch averages 5.0 out of 5 from 2 ratings, while RayLab averages 4.6 from 63 ratings.

### Do iPhasematch or RayLab have ads?

RayLab shows ads; iPhasematch does not.

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

iPhasematch ships an update every 7 months, and RayLab every 6 weeks. Most recently, iPhasematch was updated on October 7, 2026 and RayLab on October 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.*