# Glaucoma Calc vs ISER 2023

The clearest difference is price: ISER 2023 at Free against Glaucoma Calc's $2.99. ISER 2023 also leads on iOS requirement (13.0 vs 17.0). On in-app purchases and device support there is nothing between them.

ISER 2023 is free to download; Glaucoma Calc costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Glaucoma Calc | ISER 2023 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/glaucoma-calc/id334351011/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 10 months | — |
| Monetization | Paid | — |
| Size | 7 MB | 60 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Optical Directions Consulting](https://appshunter.io/developer/309309098) | [International Society for Eye Research](https://appshunter.io/developer/1660744756) |

## What reviewers say

### Glaucoma Calc

[App page](https://appshunter.io/ios/app/glaucoma-calc/id334351011)

Estimate the 5-year risk of glaucoma development in patients with ocular hypertension. This tool simplifies data entry for multiple perimeters and offers quick calculations on Apple Watch.

**Highlights:** Glaucoma risk estimation, Ocular hypertension assessment, Supports Humphrey, Medmont, Octopus perimeters, Single-screen interface, Apple Watch app integration, Independent Apple Watch functionality

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### ISER 2023

[App page](https://appshunter.io/ios/app/iser-2023/id1660744514)

**In-app purchases:** none


## Frequently asked questions

### Is Glaucoma Calc free?

Glaucoma Calc costs $2.99, with no in-app purchases.

### Is ISER 2023 free?

ISER 2023 is free to download, with no in-app purchases.

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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.*