# iPhasematch vs The Matrix Mentor

The clearest difference is update cadence: The Matrix Mentor at every 4 days against iPhasematch's every 7 months. iPhasematch's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iPhasematch ships an update every 7 months, The Matrix Mentor every 4 days. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | iPhasematch | The Matrix Mentor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/iphasematch/id492370060/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 6 MB | 3 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yushi Kaneda](https://appshunter.io/developer/492370063) | [Edwin Veger](https://appshunter.io/developer/1025412576) |

## 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


### The Matrix Mentor

[App page](https://appshunter.io/ios/app/the-matrix-mentor/id6479958283)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iPhasematch free?

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

### Is The Matrix Mentor free?

The Matrix Mentor is free to download, with no in-app purchases.

### Do iPhasematch or The Matrix Mentor have ads?

Neither iPhasematch nor The Matrix Mentor shows ads.

### Which is updated more often, iPhasematch or The Matrix Mentor?

iPhasematch ships an update every 7 months, and The Matrix Mentor every 4 days. Most recently, iPhasematch was updated on October 7, 2026 and The Matrix Mentor on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*