# Termius vs Advanced JSON Viewer

The clearest difference is price: Termius at Free against Advanced JSON Viewer's $1.99. Termius also leads on rating (4.7 vs 3.3) and review sentiment (81% vs 40%). Advanced JSON Viewer's advantage is in-app purchases (none vs 4) and device support (4 vs 2). On ads there is nothing between them.

Termius is free to download; Advanced JSON Viewer costs $1.99 up front. Termius sells 4 in-app purchases, starting at $15.00 per month. Advanced JSON Viewer asks for nothing beyond the download.

Termius holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: Termius has 19K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 81% of Termius's written reviews are positive against 40% of Advanced JSON Viewer's.

Termius ships an update fortnightly, Advanced JSON Viewer every 6 weeks. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Termius | Advanced JSON Viewer |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.7 (19K ratings)](https://appshunter.io/ios/app/termius-modern-ssh-client/id549039908/reviews)** | [3.3 (3 ratings)](https://appshunter.io/ios/app/advanced-json-viewer/id6739271287/reviews) |
| Number of ratings | **19K** | 3 |
| Positive reviews | **81.1% of reviews** | 40.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | **Freemium** | Paid |
| Best chart rank | **#4** | #191 |
| Size | 226 MB | 5 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Termius Corporation](https://appshunter.io/developer/549040051) | [Acrogenesis LLC](https://appshunter.io/developer/1784592807) |

## What reviewers say

### Termius

[App page](https://appshunter.io/ios/app/termius-modern-ssh-client/id549039908)

**Currently charting:** #4 Top Grossing · Developer Tools, #11 Top Free · Developer Tools (US App Store)

This app provides a modern SSH client and terminal for seamless remote access across devices. It offers a desktop-grade terminal experience with advanced features like multi-tab support, custom themes, and saved commands. Securely manage connections and credentials with cloud sync and hardware key authentication.

**Highlights:** SSH, Mosh, Telnet, Port Forwarding, SFTP support, Virtual keyboard with special keys, Multi-tab interface and split-view, Cloud vault for encrypted credentials, Customizable themes and fonts, Saved commands and shell scripts, Hardware FIDO2 key authentication

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Termius Pro Monthly | $15.00 | per month |
| Termius Pro Monthly | $15.00 | per month |
| Termius Pro Annual | $119.00 | per year |
| Termius Pro Annual | $119.00 | per year |

**What reviewers like**

- 🚀 Smooth and fast
- 👍 Intuitive and easy to use
- 🔒 Secure with SSH/SFTP support
- 💡 Useful features like port forwarding
- 👍 Customizable keyboard and themes

**What reviewers complain about**

- 💰 Expensive subscription model
- 🐛 Occasional crashes and bugs
- 🔋 Drains battery quickly
- 🤔 Aggressive upselling of premium features

**Reported bugs**

- Syncing issues causing data loss
- Keyboard and cursor issues on iPad
- Freezing and unresponsiveness after background use

**Requested features**

- Add support for ProxyCommand
- Improve keyboard handling and arrow key functionality
- Implement iCloud sync instead of proprietary cloud
- Provide a one-time purchase option for individual users


### Advanced JSON Viewer

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

**Currently charting:** #191 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 Termius free?

Termius 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, Termius or Advanced JSON Viewer?

Termius is rated higher. Termius averages 4.7 out of 5 from 19K ratings, while Advanced JSON Viewer averages 3.3 from 3 ratings.

### Do Termius or Advanced JSON Viewer have ads?

Neither Termius nor Advanced JSON Viewer shows ads.

### Which is updated more often, Termius or Advanced JSON Viewer?

Termius ships an update fortnightly, and Advanced JSON Viewer every 6 weeks. Most recently, Termius was updated on October 18, 2026 and Advanced JSON Viewer on October 10, 2026.

### Which is more popular, Termius or Advanced JSON Viewer?

Termius currently peaks at #4 in the App Store charts, and Advanced JSON Viewer at #191. 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.*