# OMAT vs NV Master

The clearest difference is update cadence: OMAT at every 10 days against NV Master's every 3 weeks. NV Master's advantage is iOS requirement (12.0 vs 17.2). 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.

OMAT ships an update every 10 days, NV Master every 3 weeks. The most recent releases landed on July 7, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | OMAT | NV Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/omat/id1460027652/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 1 MB | 46 MB |
| Requires iOS | 17.2 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Chang Yaramothu](https://appshunter.io/developer/1460027651) | [Thermal Master Technology Co.,Ltd.](https://appshunter.io/developer/1770222118) |

## What reviewers say

### OMAT

[App page](https://appshunter.io/ios/app/omat/id1460027652)

This utility app serves as a companion for specialized assessment tools, providing an easy-to-use timer for conducting various oculomotor and vestibular tests. It aids in the precise measurement of eye movements and endurance for research and clinical applications.

**Highlights:** Companion app for OMAT and MoVES, Easy-to-use timer, Saccade testing, Vergence testing, VOR testing

**Features:** macOS Compatibility

**In-app purchases:** none


### NV Master

[App page](https://appshunter.io/ios/app/nv-master/id6544784038)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OMAT free?

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

### Is NV Master free?

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

### Do OMAT or NV Master have ads?

Neither OMAT nor NV Master shows ads.

### Which is updated more often, OMAT or NV Master?

OMAT ships an update every 10 days, and NV Master every 3 weeks. Most recently, OMAT was updated on July 7, 2026 and NV Master on September 12, 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.*