# JSON Pilot vs Difftray

The clearest difference is in-app purchases: Difftray at none against JSON Pilot's 2. Difftray also leads on update cadence (every 2 weeks vs monthly) and iOS requirement (16.4 vs 26.4). On price, 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. Difftray asks for nothing beyond the download.

JSON Pilot ships an update monthly, Difftray every 2 weeks. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | JSON Pilot | Difftray |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 4 MB | 76 MB |
| Requires iOS | 26.4 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Georgii Shilovskii](https://appshunter.io/developer/1896759912) | [Marco Gomiero](https://appshunter.io/developer/1680585376) |

## What reviewers say

### 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 |


### Difftray

[App page](https://appshunter.io/ios/app/difftray-code-review-and-diff/id6789255782)

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

**In-app purchases:** none


## Frequently asked questions

### Is JSON Pilot free?

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

### Is Difftray free?

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

### Do JSON Pilot or Difftray have ads?

Neither JSON Pilot nor Difftray shows ads.

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

JSON Pilot ships an update monthly, and Difftray every 2 weeks. Most recently, JSON Pilot was updated on October 6, 2026 and Difftray on October 13, 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.*