# OPTOVERA vs Circle Grader

The clearest difference is iOS requirement: Circle Grader at 12.0 against OPTOVERA's 15.6. 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.

## The numbers

| Metric | OPTOVERA | Circle Grader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/optovera/id1294893103/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 40 MB | 39 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SOBER-EYE INC.](https://appshunter.io/developer/1190138680) | [David Ruth](https://appshunter.io/developer/625407673) |

## What reviewers say

### OPTOVERA

[App page](https://appshunter.io/ios/app/optovera/id1294893103)

This app uses your device's camera to record your eye and analyze pupil response to light. It helps you learn about the Pupillary Light Reflex by measuring pupil size changes. It is not intended for medical diagnosis.

**Highlights:** Video capture of eye, Pupil detection and size measurement, Pupil Response to Light analysis, Learning about Pupillary Light Reflex, No medical diagnosis provided

**In-app purchases:** none


### Circle Grader

[App page](https://appshunter.io/ios/app/circle-grader/id6753698872)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OPTOVERA free?

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

### Is Circle Grader free?

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

### Do OPTOVERA or Circle Grader have ads?

Neither OPTOVERA nor Circle Grader shows ads.

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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.*