# Seiql vs JSON Formatter Viewer

The clearest difference is in-app purchases: Seiql at none against JSON Formatter Viewer's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. JSON Formatter Viewer sells 2 in-app purchases, starting at $3.99 per 7 days. Seiql asks for nothing beyond the download.

Seiql ships an update every 5 weeks, JSON Formatter Viewer every 6 weeks. The most recent releases landed on September 28, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Seiql | JSON Formatter Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Size | 5 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Umit UZ](https://appshunter.io/developer/1842858860) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Seiql

[App page](https://appshunter.io/ios/app/seiql-learn-coding-lang-and-sql/id6758354484)

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

**In-app purchases:** none


### JSON Formatter Viewer

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

**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 Seiql free?

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

### Is JSON Formatter Viewer free?

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

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

Neither Seiql nor JSON Formatter Viewer shows ads.

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

Seiql ships an update every 5 weeks, and JSON Formatter Viewer every 6 weeks. Most recently, Seiql was updated on September 28, 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.*