# Claudette Echo vs JSON Formatter Viewer

The clearest difference is update cadence: Claudette Echo at every 4 days against JSON Formatter Viewer's every 6 weeks. JSON Formatter Viewer's advantage is chart position (#199 vs unranked). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Claudette Echo sells 1 one-off in-app purchase 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.

Claudette Echo ships an update every 4 days, JSON Formatter Viewer every 6 weeks. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Claudette Echo | JSON Formatter Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 weeks |
| Best chart rank | — | **#199** |
| Size | 25 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Olorin.ai LLC](https://appshunter.io/developer/1872837687) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Claudette Echo

[App page](https://appshunter.io/ios/app/claudette-echo/id6759467788)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Claudette Echo | $4.99 | one-time |


### JSON Formatter Viewer

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

**Currently charting:** #199 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 Claudette Echo free?

Claudette Echo 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 Claudette Echo or JSON Formatter Viewer have ads?

Neither Claudette Echo nor JSON Formatter Viewer shows ads.

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

Claudette Echo ships an update every 4 days, and JSON Formatter Viewer every 6 weeks. Most recently, Claudette Echo was updated on October 12, 2026 and JSON Formatter Viewer on October 3, 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.*