# gemgem400 vs 꾸준;어휘

The clearest difference is update cadence: 꾸준;어휘 at daily against gemgem400's every 3 weeks. gemgem400's advantage is iOS requirement (15.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. gemgem400 sells 5 in-app purchases, starting at $79.99 per month and 꾸준;어휘 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

gemgem400 ships an update every 3 weeks, 꾸준;어휘 daily. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | gemgem400 | 꾸준;어휘 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gemgem400-pinkfong-gemgem/id6475764223/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 276 MB | 7 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gemgem therapeutics Inc.](https://appshunter.io/developer/1661909612) | [Doo Hyun Moon](https://appshunter.io/developer/6812652549) |

## What reviewers say

### gemgem400

[App page](https://appshunter.io/ios/app/gemgem400-pinkfong-gemgem/id6475764223)

Engaging rehabilitation games designed to help individuals with limited movement on one side of the body or those needing fine motor skill improvement. The app encourages daily voluntary movements to promote neuroplasticity and build confidence through playful activities.

**Highlights:** Playful rehabilitation games, Fine motor skill improvement, Encourages voluntary movements, Promotes neuroplasticity, Builds self-confidence, Regularly updated content

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 잼잼400 정기 구독(Silver) | $79.99 | per month |
| 잼잼400 정기 구독(Gold) | $99.99 | per month |
| 잼잼400 정기 구독 - BASIC | $149.99 | per month |
| 잼잼400 정기 구독 - SILVER | $199.99 | per month |
| 잼잼400 정기 구독 - GOLD | $389.99 | per month |


### 꾸준;어휘

[App page](https://appshunter.io/ios/app/and/id6812652547)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 커피 후원 | $1.99 | one-time |


## Frequently asked questions

### Is gemgem400 free?

gemgem400 is free to download, with in-app purchases available.

### Is 꾸준;어휘 free?

꾸준;어휘 is free to download, with in-app purchases available.

### Do gemgem400 or 꾸준;어휘 have ads?

Neither gemgem400 nor 꾸준;어휘 shows ads.

### Which is updated more often, gemgem400 or 꾸준;어휘?

gemgem400 ships an update every 3 weeks, and 꾸준;어휘 daily. Most recently, gemgem400 was updated on November 8, 2026 and 꾸준;어휘 on October 31, 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.*