# JSON Tools vs Runestone Text Editor

The clearest difference is review sentiment: Runestone Text Editor at 76% against JSON Tools's 0%. Runestone Text Editor also leads on price (Free vs $0.99). JSON Tools's advantage is in-app purchases (none vs 1). On update cadence, ads, chart position and device support there is nothing between them.

Runestone Text Editor is free to download; JSON Tools costs $0.99 up front. Runestone Text Editor sells 1 one-off in-app purchase. JSON Tools asks for nothing beyond the download.

JSON Tools ships an update every 10 days, Runestone Text Editor every 2 weeks. The most recent releases landed on September 19, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | JSON Tools | Runestone Text Editor |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.7 (2K ratings)](https://appshunter.io/ios/app/runestone-text-editor/id1548193893/reviews)** |
| Number of ratings | — | **2K** |
| Positive reviews | 0.0% of reviews | **76.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | #116 | **#45** |
| Size | 30 MB | 64 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Mohammed Aadhil](https://appshunter.io/developer/1526081218) | [Simon B. Støvring](https://appshunter.io/developer/423532907) |

## What reviewers say

### JSON Tools

[App page](https://appshunter.io/ios/app/json-tools/id1526081216)

**Currently charting:** #116 Top Paid · Developer Tools (US App Store)

A comprehensive toolkit for developers to visualize, validate, convert, and generate code from JSON data. It offers features like interactive tree views, schema generation, and code export for multiple programming languages.

**Highlights:** Interactive Tree View and JSONPath querying, Convert JSON to XML, CSV, YAML, and more, Generate type-safe model classes for multiple languages, Auto-generate JSON Schema for validation, Dedicated JSON syntax keyboard overlay, Background processing for large datasets

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

**In-app purchases:** none


### Runestone Text Editor

[App page](https://appshunter.io/ios/app/runestone-text-editor/id1548193893)

**Currently charting:** #45 Top Free · Developer Tools, #50 Top Grossing · Developer Tools (US App Store)

A powerful plain text and code editor for iPhone and iPad. Offers syntax highlighting, line numbers, find and replace, and extensive customization options for developers and writers.

**Highlights:** Syntax highlighting for many languages, Customizable themes and fonts, Advanced find and replace, Line numbers and cursor location, Code formatting with Prettier.js, Multiple windows on iPad

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | one-time |

**What reviewers like**

- 💎 Excellent text editor
- 🚀 Smooth and responsive
- 🎨 Customizable themes and appearance
- 🔒 Secure file storage and sync
- 👍 Clean and intuitive interface

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔍 Difficulty navigating files/folders
- 📝 Limited functionality without premium
- 🔌 Performance issues on older devices
- 🔒 Difficulty accessing files in cloud storage

**Reported bugs**

- Disappearing files
- Difficulty pasting text
- Scroll position not saved
- Hangs on startup
- Trouble opening large files

**Requested features**

- Markdown preview
- Code folding
- Syntax highlighting for more languages
- Ability to run/execute code
- Multiple file/window support


## Frequently asked questions

### Is JSON Tools free?

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

### Is Runestone Text Editor free?

Runestone Text Editor is free to download, with in-app purchases available.

### Do JSON Tools or Runestone Text Editor have ads?

Neither JSON Tools nor Runestone Text Editor shows ads.

### Which is updated more often, JSON Tools or Runestone Text Editor?

JSON Tools ships an update every 10 days, and Runestone Text Editor every 2 weeks. Most recently, JSON Tools was updated on September 19, 2026 and Runestone Text Editor on September 23, 2026.

### Which is more popular, JSON Tools or Runestone Text Editor?

JSON Tools currently peaks at #116 in the App Store charts, and Runestone Text Editor at #45. Chart position reflects recent download velocity rather than total install base.

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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.*