# 소나 vs EuDi

The clearest difference is review sentiment: 소나 at 86% against EuDi's 21%. 소나 also leads on update cadence (every 3 months vs every 21 months) and iOS requirement (9.0 vs 13.0). On price, 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.

소나 ships an update every 3 months, EuDi every 21 months. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 소나 | EuDi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (812 ratings)](https://appshunter.io/ios/app/eudi/id1483724406/reviews)** |
| Number of ratings | — | **812** |
| Positive reviews | **86.4% of reviews** | 20.9% of reviews |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 3 months** | Every 21 months |
| Monetization | — | Free |
| Size | 9 MB | 15 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Qoolsystem Co.,Ltd.](https://appshunter.io/developer/1184738843) | [LGChem](https://appshunter.io/developer/1465685444) |

## What reviewers say

### 소나

[App page](https://appshunter.io/ios/app/id1397177121)

**Features:** macOS Compatibility

**In-app purchases:** none


### EuDi

[App page](https://appshunter.io/ios/app/eudi/id1483724406)

This app provides information and systematic management for children receiving growth hormone therapy. It offers injection management, scheduling, and continuous growth monitoring services. Registration is limited to users prescribed growth hormone.

**Highlights:** Growth hormone usage information, Systematic injection management, Continuous growth management, Injection schedule management, Educational resources for Utrophin Pen

**In-app purchases:** none


## Frequently asked questions

### Is 소나 free?

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

### Is EuDi free?

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

### Which is updated more often, 소나 or EuDi?

소나 ships an update every 3 months, and EuDi every 21 months. Most recently, 소나 was updated on October 2, 2026 and EuDi on October 13, 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.*