# LifeTune vs JSON Viewer & Formatter

The clearest difference is in-app purchases: LifeTune at none against JSON Viewer & Formatter's 3. LifeTune also leads on ads (none vs shown) and iOS requirement (12.0 vs 17). On price, update cadence and device support there is nothing between them.

Both are free to download. JSON Viewer & Formatter sells 3 in-app purchases, starting at $1.99 per 7 days. LifeTune asks for nothing beyond the download.

LifeTune ships an update every 4 days, JSON Viewer & Formatter weekly. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | LifeTune | JSON Viewer & Formatter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/json-viewer-and-formatter/id6754194710/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 5 MB |
| Requires iOS | **12.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [华杰 黄](https://appshunter.io/developer/1747225180) | [Muhammad Mujahid Khan](https://appshunter.io/developer/1749120554) |

## What reviewers say

### LifeTune

[App page](https://appshunter.io/ios/app/lifetune/id6550910429)

**Features:** macOS Compatibility

**In-app purchases:** none


### JSON Viewer & Formatter

[App page](https://appshunter.io/ios/app/json-viewer-and-formatter/id6754194710)

Format, validate, and compare JSON data offline on your iPhone or iPad. This tool offers a tree view, search functionality, and custom themes for efficient data management. Export JSON to various formats and handle large files smoothly.

**Highlights:** Beautify & Minify JSON, Import JSON files or paste from clipboard, Export JSON to CSV, XML, YAML, Interactive Tree View Explorer, Search JSON Keys & Values, Compare Two JSONs, Offline functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $4.99 | per month |
| Yearly | $24.99 | per year |


## Frequently asked questions

### Is LifeTune free?

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

### Is JSON Viewer & Formatter free?

JSON Viewer & Formatter is free to download, with in-app purchases available.

### Do LifeTune or JSON Viewer & Formatter have ads?

JSON Viewer & Formatter shows ads; LifeTune does not.

### Which is updated more often, LifeTune or JSON Viewer & Formatter?

LifeTune ships an update every 4 days, and JSON Viewer & Formatter weekly. Most recently, LifeTune was updated on October 27, 2026 and JSON Viewer & Formatter on October 30, 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.*