# BlueDash vs JSON格式化

The clearest difference is price: BlueDash at Free against JSON格式化's $0.99. JSON格式化's advantage is update cadence (every 2 days vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

BlueDash is free to download; JSON格式化 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BlueDash ships an update every 3 months, JSON格式化 every 2 days. The most recent releases landed on September 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | BlueDash | JSON格式化 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Size | 65 MB | 1 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [SPARKLEO (SMC-PRIVATE) LIMITED](https://appshunter.io/developer/1582158019) | [珍珍 张](https://appshunter.io/developer/1607946529) |

## What reviewers say

### BlueDash

[App page](https://appshunter.io/ios/app/bluedash/id6447548602)

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

**In-app purchases:** none


### JSON格式化

[App page](https://appshunter.io/ios/app/json/id6450169970)

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BlueDash free?

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

### Is JSON格式化 free?

JSON格式化 costs $0.99, with no in-app purchases.

### Do BlueDash or JSON格式化 have ads?

Neither BlueDash nor JSON格式化 shows ads.

### Which is updated more often, BlueDash or JSON格式化?

BlueDash ships an update every 3 months, and JSON格式化 every 2 days. Most recently, BlueDash was updated on September 10, 2026 and JSON格式化 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.*