# Runestone Text Editor vs Advanced JSON Viewer

The clearest difference is price: Runestone Text Editor at Free against Advanced JSON Viewer's $1.99. Runestone Text Editor also leads on rating (4.7 vs 3.3) and review sentiment (76% vs 40%). Advanced JSON Viewer's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Runestone Text Editor is free to download; Advanced JSON Viewer costs $1.99 up front. Runestone Text Editor sells 1 one-off in-app purchase. Advanced JSON Viewer asks for nothing beyond the download.

Runestone Text Editor holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: Runestone Text Editor has 2K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 76% of Runestone Text Editor's written reviews are positive against 40% of Advanced JSON Viewer's.

Runestone Text Editor ships an update every 2 weeks, Advanced JSON Viewer every 6 weeks. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Runestone Text Editor | Advanced JSON Viewer |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.7 (2K ratings)](https://appshunter.io/ios/app/runestone-text-editor/id1548193893/reviews)** | [3.3 (3 ratings)](https://appshunter.io/ios/app/advanced-json-viewer/id6739271287/reviews) |
| Number of ratings | **2K** | 3 |
| Positive reviews | **76.0% of reviews** | 40.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#36** | #195 |
| Size | 64 MB | 5 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod, Vision Pro | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Simon B. Støvring](https://appshunter.io/developer/423532907) | [Acrogenesis LLC](https://appshunter.io/developer/1784592807) |

## What reviewers say

### Runestone Text Editor

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

**Currently charting:** #36 Top Grossing · Developer Tools, #46 Top Free · 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


### Advanced JSON Viewer

[App page](https://appshunter.io/ios/app/advanced-json-viewer/id6739271287)

**Currently charting:** #195 Top Paid · Developer Tools (US App Store)

This tool enhances JSON data viewing and editing within Safari and on your device. It offers beautiful formatting, syntax highlighting, and an interactive editor for efficient JSON management.

**Highlights:** Open and save JSON files, Beautiful JSON formatting, Syntax highlighting, Interactive editor, Light & dark modes, Error detection

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

**In-app purchases:** none


## Frequently asked questions

### Is Runestone Text Editor free?

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

### Is Advanced JSON Viewer free?

Advanced JSON Viewer costs $1.99, with no in-app purchases.

### Which has better reviews, Runestone Text Editor or Advanced JSON Viewer?

Runestone Text Editor is rated higher. Runestone Text Editor averages 4.7 out of 5 from 2K ratings, while Advanced JSON Viewer averages 3.3 from 3 ratings.

### Do Runestone Text Editor or Advanced JSON Viewer have ads?

Neither Runestone Text Editor nor Advanced JSON Viewer shows ads.

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

Runestone Text Editor ships an update every 2 weeks, and Advanced JSON Viewer every 6 weeks. Most recently, Runestone Text Editor was updated on October 16, 2026 and Advanced JSON Viewer on October 10, 2026.

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

Runestone Text Editor currently peaks at #36 in the App Store charts, and Advanced JSON Viewer at #195. 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.*