# OMAT vs Vernier

The clearest difference is iOS requirement: Vernier at 14.0 against OMAT's 17.2. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for OMAT against 5.0 for Vernier. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

OMAT ships an update every 10 days, Vernier every 3 weeks. The most recent releases landed on July 7, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | OMAT | Vernier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/omat/id1460027652/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/vernier/id6476447568/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 1 MB | 1 MB |
| Requires iOS | 17.2 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chang Yaramothu](https://appshunter.io/developer/1460027651) | [Global Tactile, LLC](https://appshunter.io/developer/1635396885) |

## 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


### Vernier

[App page](https://appshunter.io/ios/app/vernier/id6476447568)

This application aids in testing visual and tactile acuity using Vernier lines. It also supports Neo Controller calibration and testing for enhanced functionality.

**Highlights:** Visual acuity testing, Tactile acuity testing, Vernier line display, Neo Controller calibration, Neo Controller testing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OMAT free?

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

### Is Vernier free?

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

### Which has better reviews, OMAT or Vernier?

OMAT and Vernier are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do OMAT or Vernier have ads?

Neither OMAT nor Vernier shows ads.

### Which is updated more often, OMAT or Vernier?

OMAT ships an update every 10 days, and Vernier every 3 weeks. Most recently, OMAT was updated on July 7, 2026 and Vernier on June 5, 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.*