# Pupil.Size vs Biometry Scanner (IOL Power)

The clearest difference is rating: Biometry Scanner (IOL Power) at 5.0 against Pupil.Size's 1.0. Pupil.Size's advantage is iOS requirement (11.0 vs 15.1). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Biometry Scanner (IOL Power) holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 7 respectively.

## The numbers

| Metric | Pupil.Size | Biometry Scanner (IOL Power) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (4 ratings)](https://appshunter.io/ios/app/pupilsize/id1356860766/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/biometry-scanner-iol-power/id6758864494/reviews)** |
| Number of ratings | 4 | **7** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | Free |
| Size | 1 MB | 37 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SCALAR CORP.](https://appshunter.io/developer/374875261) | [OcuMetric Innovations LTD](https://appshunter.io/developer/1875370764) |

## What reviewers say

### Pupil.Size

[App page](https://appshunter.io/ios/app/pupilsize/id1356860766)

This utility app uses your device's camera to measure pupil diameter in real time. It's designed for quick and easy pupil size analysis.

**Highlights:** Real-time pupil diameter measurement, Uses device camera, Pupil size analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### Biometry Scanner (IOL Power)

[App page](https://appshunter.io/ios/app/biometry-scanner-iol-power/id6758864494)

This utility app automatically extracts biometric data from documents for use in an IOL Calculator. It streamlines data entry by scanning and uploading documents, requiring user verification for accuracy.

**Highlights:** Automatic biometric data extraction, Document scanning and upload, Streamlined data entry, IOL Calculator integration, User verification required

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pupil.Size free?

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

### Is Biometry Scanner (IOL Power) free?

Biometry Scanner (IOL Power) is free to download, with no in-app purchases.

### Which has better reviews, Pupil.Size or Biometry Scanner (IOL Power)?

Biometry Scanner (IOL Power) is rated higher. Pupil.Size averages 1.0 out of 5 from 4 ratings, while Biometry Scanner (IOL Power) averages 5.0 from 7 ratings.

### Do Pupil.Size or Biometry Scanner (IOL Power) have ads?

Neither Pupil.Size nor Biometry Scanner (IOL Power) 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.*