# Jeyso vs JSON Pilot

The clearest difference is in-app purchases: Jeyso at none against JSON Pilot's 2. Jeyso also leads on iOS requirement (17.0 vs 26.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. JSON Pilot sells 2 in-app purchases, starting at $1.99 per month. Jeyso asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 26, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Jeyso | JSON Pilot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 5 MB | 4 MB |
| Requires iOS | **17.0** | 26.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Umit UZ](https://appshunter.io/developer/1842858860) | [Georgii Shilovskii](https://appshunter.io/developer/1896759912) |

## What reviewers say

### Jeyso

[App page](https://appshunter.io/ios/app/jeyso-json-diff-and-formatter/id6758353863)

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

**In-app purchases:** none


### JSON Pilot

[App page](https://appshunter.io/ios/app/json-pilot-viewer-and-editor/id6772857377)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro — Lifetime Unlock | $6.99 | one-time |


## Frequently asked questions

### Is Jeyso free?

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

### Is JSON Pilot free?

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

### Do Jeyso or JSON Pilot have ads?

Neither Jeyso nor JSON Pilot shows ads.

### Which is updated more often, Jeyso or JSON Pilot?

Jeyso ships an update monthly, and JSON Pilot monthly. Most recently, Jeyso was updated on September 26, 2026 and JSON Pilot on September 18, 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.*