# JP24 vs 大成上海

The clearest difference is update cadence: 大成上海 at every 5 weeks against JP24's every 3 months. JP24's advantage is iOS requirement (8.0 vs 12.0). On price, ads, 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.

JP24 ships an update every 3 months, 大成上海 every 5 weeks. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | JP24 | 大成上海 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Size | 9 MB | 42 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Oneprime Software Technology Co., Ltd](https://appshunter.io/developer/982102083) | [Shanghai Mailuo Information Technology Co.,Ltd](https://appshunter.io/developer/1645830271) |

## What reviewers say

### JP24

[App page](https://appshunter.io/ios/app/jp24/id994106753)

**Features:** macOS Compatibility

**In-app purchases:** none


### 大成上海

[App page](https://appshunter.io/ios/app/id6444146331)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JP24 free?

JP24 is free to download, with no in-app purchases.

### Is 大成上海 free?

大成上海 is free to download, with no in-app purchases.

### Do JP24 or 大成上海 have ads?

Neither JP24 nor 大成上海 shows ads.

### Which is updated more often, JP24 or 大成上海?

JP24 ships an update every 3 months, and 大成上海 every 5 weeks. Most recently, JP24 was updated on October 4, 2026 and 大成上海 on October 3, 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.*