# JDKit Science vs 쨈

The clearest difference is in-app purchases: JDKit Science at none against 쨈's 6. JDKit Science also leads on iOS requirement (9.0 vs 16.0). 쨈's advantage is update cadence (every 2 weeks vs every 67 months). On price, ads and device support there is nothing between them.

Both are free to download. 쨈 sells 6 one-off in-app purchases. JDKit Science asks for nothing beyond the download.

JDKit Science ships an update every 67 months, 쨈 every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | JDKit Science | 쨈 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 67 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 115 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [InSoo Kim](https://appshunter.io/developer/975978291) | [wrtn technologies Inc.](https://appshunter.io/developer/1684966734) |

## What reviewers say

### JDKit Science

[App page](https://appshunter.io/ios/app/jdkit-science/id1186722278)

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

**In-app purchases:** none


### 쨈

[App page](https://appshunter.io/ios/app/ai-and/id6757173419)

Create funny memes and shareable videos or images quickly using AI filters and templates. Simply upload a photo to generate various meme formats or enhance your visuals with stylistic filters. The app focuses on a streamlined creation process for immediate sharing.

**Highlights:** AI meme generation from photos, AI filters for style enhancement, Photo and video creation, Simple, touch-based editing, Direct sharing of content

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4,400 크레딧 | $3.99 | one-time |
| 10000 크레딧 | $9.99 | one-time |
| 20000 크레딧 | $17.99 | one-time |
| 50000 크레딧 | $39.99 | one-time |
| 100000 크레딧 | $99.99 | one-time |
| 200000 크레딧 | $199.99 | one-time |


## Frequently asked questions

### Is JDKit Science free?

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

### Is 쨈 free?

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

### Do JDKit Science or 쨈 have ads?

Neither JDKit Science nor 쨈 shows ads.

### Which is updated more often, JDKit Science or 쨈?

JDKit Science ships an update every 67 months, and 쨈 every 2 weeks. Most recently, JDKit Science was updated on November 3, 2026 and 쨈 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.*