# Userscripts vs Advanced JSON Viewer

The clearest difference is price: Userscripts at Free against Advanced JSON Viewer's $1.99. Userscripts also leads on rating (4.3 vs 3.3) and review sentiment (78% vs 40%). On update cadence, ads, in-app purchases and device support there is nothing between them.

Userscripts is free to download; Advanced JSON Viewer costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Userscripts holds the better App Store score, 4.3 against 3.3. That said, the two scores are not equally well evidenced: Userscripts has 181 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 78% of Userscripts's written reviews are positive against 40% of Advanced JSON Viewer's.

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

## The numbers

| Metric | Userscripts | Advanced JSON Viewer |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.3 (181 ratings)](https://appshunter.io/ios/app/userscripts/id1463298887/reviews)** | [3.3 (3 ratings)](https://appshunter.io/ios/app/advanced-json-viewer/id6739271287/reviews) |
| Number of ratings | **181** | 3 |
| Positive reviews | **78.2% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | **Free** | Paid |
| Best chart rank | **#22** | #191 |
| Size | 2 MB | 5 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Justin Wasack](https://appshunter.io/developer/1463298886) | [Acrogenesis LLC](https://appshunter.io/developer/1784592807) |

## What reviewers say

### Userscripts

[App page](https://appshunter.io/ios/app/userscripts/id1463298887)

**Currently charting:** #22 Top Free · Developer Tools (US App Store)

This open-source Safari extension allows you to run custom JavaScript and CSS code on any website. Enhance your browsing experience with personalized styling, automatic redirects, and ad-blocking.

**Highlights:** Run custom JavaScript, Inject custom CSS, Automatic page redirection, Website page manipulation, Custom ad-blocking, Open source, No user tracking

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Works well to inject CSS on iPad in Safari
- 👍 Best thing since sliced bread
- 💡 Allows you to do thousands of things that were previously desktop only
- 🔒 Very stable and works flawlessly with Safari
- 👍 Excellent Safari extension

**What reviewers complain about**

- 🐛 Satisfactory to an extent, stops working sometimes
- 🐛 Broke until reinstall
- 🐛 Slowed my Safari down to a crawl
- 🐛 Unpredictable when it applies scripts, but still useful
- 🐛 It's been way too unpredictable for a while now

**Reported bugs**

- Failed to load user data
- Saying there's an error when trying to download something
- Won't work, keeps saying there's an issue and retry
- Disappeared from Safari preferences and won't return after troubleshooting

**Requested features**

- Add support for Safari Tech Preview
- Allow editing of userscripts from the browser extension popup
- Allow creation of a new script from the Safari Extension for the current site
- Allow specifying the order in which scripts should be loaded
- Add support for running scripts in normal mode, private mode or both


### 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 Userscripts free?

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

### Is Advanced JSON Viewer free?

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

### Which has better reviews, Userscripts or Advanced JSON Viewer?

Userscripts is rated higher. Userscripts averages 4.3 out of 5 from 181 ratings, while Advanced JSON Viewer averages 3.3 from 3 ratings.

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

Neither Userscripts nor Advanced JSON Viewer shows ads.

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

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

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

Userscripts currently peaks at #22 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.*