# Jayson vs DetailsPro

The clearest difference is update cadence: DetailsPro at every 5 days against Jayson's every 3 weeks. DetailsPro also leads on rating (4.8 vs 4.5) and device support (4 vs 2). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Jayson sells 1 one-off in-app purchase and DetailsPro sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

DetailsPro holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 441 and 382 respectively. Written reviews split almost evenly too, at 81% and 81% positive.

Jayson ships an update every 3 weeks, DetailsPro every 5 days. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Jayson | DetailsPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (441 ratings)](https://appshunter.io/ios/app/jayson/id1447750768/reviews) | **[4.8 (382 ratings)](https://appshunter.io/ios/app/detailspro/id1524366536/reviews)** |
| Number of ratings | **441** | 382 |
| Positive reviews | 80.7% of reviews | **81.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | Freemium |
| Best chart rank | **#93** | #141 |
| Size | 41 MB | 32 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Simon B. Støvring](https://appshunter.io/developer/423532907) | [Fun Focus Software LLC](https://appshunter.io/developer/1516509844) |

## What reviewers say

### Jayson

[App page](https://appshunter.io/ios/app/jayson/id1447750768)

**Currently charting:** #93 Top Free · Developer Tools, #191 Top Grossing · Developer Tools (US App Store)

This app allows you to view and edit JSON files directly on your device. It offers features like tabbed browsing, split-screen comparisons, and integration with Siri Shortcuts and the Share Sheet for easy JSON parsing and management.

**Highlights:** Browse JSON files, Table or syntax highlighted text view, Tabbed interface, Multiple splits for comparison, Siri Shortcuts integration, Share Sheet Actions, URL schemes

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Everything | $4.99 | one-time |

**What reviewers like**

- 👍 Elegant and intuitive JSON editing interface
- 🎯 Perfect for FNF mod development and updates
- 📱 Excellent iOS implementation with native feel
- 🔧 Powerful JSON manipulation capabilities
- ⚡ Great Shortcuts and URL scheme integration

**What reviewers complain about**

- 🐛 Frequent crashes and instability issues
- 🔋 High battery consumption and device heating
- ❌ Missing search functionality
- 📵 Safari browser support issues
- 🔒 Limited free features, paywall for advanced options

**Reported bugs**

- App crashes when opening large JSON files (89MB+)
- Crashes on regular use despite functionality
- Device freezing for extended periods
- Safari compatibility broken in recent updates
- Navigation back through JSON structure is unreliable

**Requested features**

- Search/find functionality within files
- JSON editing and modification capabilities
- XML format support
- Split-view for comparing different arrays
- Export functionality for edited JSON


### DetailsPro

[App page](https://appshunter.io/ios/app/detailspro/id1524366536)

**Currently charting:** #141 Top Grossing · Developer Tools (US App Store)

A design tool for Apple developers to create SwiftUI interfaces visually without coding. It supports various SwiftUI views, modifiers, and SF Symbols, with options to export to Xcode and Swift Playgrounds. An optional premium upgrade offers advanced prototyping and templates.

**Highlights:** Visual SwiftUI view creation, Code-free design, Export to Xcode and Swift Playgrounds, SF Symbols integration, Prototyping tools (Premium), Community templates

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $5.99 | per month |
| Premium Yearly | $59.99 | per year |
| One-Time Purchase | $129.00 | one-time |

**What reviewers like**

- 👍 Great UI and features
- 🚀 Intuitive and easy to use
- 💡 Helpful for learning SwiftUI
- 👍 Fantastic prototyping tool
- 👍 Saves time in design process

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🐛 Bugs and issues with saving/loading designs
- 🔧 UI needs improvement, outdated
- 🔧 Limited functionality compared to other design tools

**Reported bugs**

- Crashes when modifying certain properties
- Designs disappearing or reverting unexpectedly
- Compatibility issues on M1 Macs
- Blurry text rendering on some devices

**Requested features**

- Support for more UI elements like text fields
- Integration with GitHub and other tools
- More examples and community designs
- Ability to create reusable components
- Support for additional SwiftUI features


## Frequently asked questions

### Is Jayson free?

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

### Is DetailsPro free?

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

### Which has better reviews, Jayson or DetailsPro?

DetailsPro is rated higher. Jayson averages 4.5 out of 5 from 441 ratings, while DetailsPro averages 4.8 from 382 ratings.

### Do Jayson or DetailsPro have ads?

Neither Jayson nor DetailsPro shows ads.

### Which is updated more often, Jayson or DetailsPro?

Jayson ships an update every 3 weeks, and DetailsPro every 5 days. Most recently, Jayson was updated on October 21, 2026 and DetailsPro on October 20, 2026.

### Which is more popular, Jayson or DetailsPro?

Jayson currently peaks at #93 in the App Store charts, and DetailsPro at #141. Chart position reflects recent download velocity rather than total install base.

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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.*