# Easy Eye vs KOSCON 2025

The clearest difference is in-app purchases: KOSCON 2025 at none against Easy Eye's 1. KOSCON 2025 also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). Easy Eye's advantage is update cadence (monthly vs every 6 months). On price and ads there is nothing between them.

Both are free to download. Easy Eye sells 1 one-off in-app purchase. KOSCON 2025 asks for nothing beyond the download.

Easy Eye ships an update monthly, KOSCON 2025 every 6 months. The most recent releases landed on September 22, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Easy Eye | KOSCON 2025 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/easy-eye/id394384745/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | Free | — |
| Size | 1.1 GB | 63 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [IKONION](https://appshunter.io/developer/315330021) | [Sai Krishnan](https://appshunter.io/developer/756727006) |

## What reviewers say

### Easy Eye

[App page](https://appshunter.io/ios/app/easy-eye/id394384745)

This app serves as a patient education tool for eye care professionals. It features a 3D eye model for interactive demonstrations, a vision simulator to illustrate corrections and disturbances, and tools to visualize visual field defects and light effects like halos and glare.

**Highlights:** Interactive 3D eye model, Vision simulator for corrections, Halo & glare simulation, Visual field defect simulator, 3D animations for explanations, Drawing comments on 3D model

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Easy Eye Premium | $99.99 | one-time |


### KOSCON 2025

[App page](https://appshunter.io/ios/app/koscon-2025/id6737510375)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Easy Eye free?

Easy Eye is free to download, with in-app purchases available.

### Is KOSCON 2025 free?

KOSCON 2025 is free to download, with no in-app purchases.

### Do Easy Eye or KOSCON 2025 have ads?

Neither Easy Eye nor KOSCON 2025 shows ads.

### Which is updated more often, Easy Eye or KOSCON 2025?

Easy Eye ships an update monthly, and KOSCON 2025 every 6 months. Most recently, Easy Eye was updated on September 22, 2026 and KOSCON 2025 on October 15, 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.*