# InterroBot vs JSON Formatter Viewer

The clearest difference is chart position: JSON Formatter Viewer at #191 against InterroBot's unranked. InterroBot's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. InterroBot sells 2 in-app purchases, starting at $39.99 per year and JSON Formatter Viewer sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

InterroBot ships an update monthly, JSON Formatter Viewer every 6 weeks. The most recent releases landed on September 17, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | InterroBot | JSON Formatter Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Best chart rank | — | **#191** |
| Size | 47 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod, Mac** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Pragmar LLC](https://appshunter.io/developer/1755636230) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### InterroBot

[App page](https://appshunter.io/ios/app/interrobot/id6757133730)

This tool helps you analyze websites by crawling them and searching for specific content, errors, or file types. It offers detailed reports and advanced filtering for technical SEO and website maintenance.

**Highlights:** HTTP error detection, Website content search, Technical SEO analysis, Link rot cleanup, Website maintenance tool, Advanced content filtering, Post-crawl website reports

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InterroBot Annual Subscription | $39.99 | per year |
| InterroBot Standard | $99.99 | one-time |


### JSON Formatter Viewer

[App page](https://appshunter.io/ios/app/json-formatter-viewer/id6772269691)

**Currently charting:** #191 Top Grossing · Developer Tools (US App Store)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Yearly | $19.99 | per year |


## Frequently asked questions

### Is InterroBot free?

InterroBot is free to download, with in-app purchases available.

### Is JSON Formatter Viewer free?

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

### Do InterroBot or JSON Formatter Viewer have ads?

Neither InterroBot nor JSON Formatter Viewer shows ads.

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

InterroBot ships an update monthly, and JSON Formatter Viewer every 6 weeks. Most recently, InterroBot was updated on September 17, 2026 and JSON Formatter Viewer on September 22, 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.*