# JSON DevKit Editor vs LL Pair

The clearest difference is price: LL Pair at Free against JSON DevKit Editor's $0.99. LL Pair also leads on in-app purchases (none vs 3) and update cadence (daily vs every 9 days). JSON DevKit Editor's advantage is device support (3 vs 1) and iOS requirement (17.0 vs 27.0). On ads there is nothing between them.

LL Pair is free to download; JSON DevKit Editor costs $0.99 up front. JSON DevKit Editor sells 3 one-off in-app purchases. LL Pair asks for nothing beyond the download.

JSON DevKit Editor ships an update every 9 days, LL Pair daily. Both last shipped on October 29, 2026.

## The numbers

| Metric | JSON DevKit Editor | LL Pair |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Daily** |
| Size | 5 MB | 4 MB |
| Requires iOS | **17.0** | 27.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [andy hu](https://appshunter.io/developer/490582311) | [SHU-CHIH LIN](https://appshunter.io/developer/6809671847) |

## What reviewers say

### JSON DevKit Editor

[App page](https://appshunter.io/ios/app/json-devkit-editor/id6800187686)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $1.99 | one-time |
| Unlock + Coffee | $2.99 | one-time |
| Unlock + Nice Coffee | $4.99 | one-time |


### LL Pair

[App page](https://appshunter.io/ios/app/ll-pair-developer-mode/id6819981217)

**In-app purchases:** none


## Frequently asked questions

### Is JSON DevKit Editor free?

JSON DevKit Editor costs $0.99, and also offers in-app purchases.

### Is LL Pair free?

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

### Do JSON DevKit Editor or LL Pair have ads?

Neither JSON DevKit Editor nor LL Pair shows ads.

### Which is updated more often, JSON DevKit Editor or LL Pair?

JSON DevKit Editor ships an update every 9 days, and LL Pair daily. Most recently, JSON DevKit Editor was updated on October 29, 2026 and LL Pair on October 29, 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.*