# Jayson vs Rev for Vercel

Jayson and Rev for Vercel both sit at 4.5 stars, but that hides the real split: 81% of Jayson's written reviews are positive against 45% of Rev for Vercel's. Jayson also leads on ratings volume (441 vs 89). Rev for Vercel's advantage is iOS requirement (16.4 vs 26.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Jayson sells 1 one-off in-app purchase and Rev for Vercel sells 8 in-app purchases, starting at $2.49 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Jayson against 4.4 for Rev for Vercel. Both are backed by a comparable volume of ratings — 441 and 89 respectively. Written reviews are what separate them: 81% of Jayson's written reviews are positive against 45% of Rev for Vercel's.

Jayson ships an update every 3 weeks, Rev for Vercel every 2 weeks. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Jayson | Rev for Vercel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (441 ratings)](https://appshunter.io/ios/app/jayson/id1447750768/reviews)** | [4.4 (89 ratings)](https://appshunter.io/ios/app/rev-for-vercel/id6740740427/reviews) |
| Number of ratings | **441** | 89 |
| Positive reviews | **80.7% of reviews** | 45.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #89 | **#37** |
| Size | 41 MB | 82 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Simon B. Støvring](https://appshunter.io/developer/423532907) | [FarFetched](https://appshunter.io/developer/1737990864) |

## What reviewers say

### Jayson

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

**Currently charting:** #89 Top Free · Developer Tools, #94 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


### Rev for Vercel

[App page](https://appshunter.io/ios/app/rev-for-vercel/id6740740427)

**Currently charting:** #37 Top Free · Developer Tools, #84 Top Grossing · Developer Tools (US App Store)

Manage your Vercel projects and deployments on the go. Monitor project activity, control deployments, manage domains, and view logs in real-time. Ideal for indie hackers and developers who need constant access to their Vercel instances.

**Highlights:** Project overview and browsing, Deployment actions (re-deploy, promote, rollback), Domain management (add, remove, view status), Real-time build and function logs, Observability and firewall monitoring, Environment variable management

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rev Ultimate Monthly | $2.49 | per month |
| Ultimate | $2.49 | per 7 days |
| Rev Ultimate Yearly | $6.99 | per year |
| Rev Ultimate Yearly | $9.99 | per year |
| Rev Ultimate Lifetime | $12.00 | one-time |
| Rev Ultimate Lifetime | $17.99 | one-time |
| Rev Ultimate Lifetime | $19.99 | one-time |
| Rev Ultimate Lifetime | $24.00 | one-time |


## Frequently asked questions

### Is Jayson free?

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

### Is Rev for Vercel free?

Rev for Vercel is free to download, with in-app purchases available.

### Which has better reviews, Jayson or Rev for Vercel?

Jayson is rated higher. Jayson averages 4.5 out of 5 from 441 ratings, while Rev for Vercel averages 4.4 from 89 ratings.

### Do Jayson or Rev for Vercel have ads?

Neither Jayson nor Rev for Vercel shows ads.

### Which is updated more often, Jayson or Rev for Vercel?

Jayson ships an update every 3 weeks, and Rev for Vercel every 2 weeks. Most recently, Jayson was updated on October 21, 2026 and Rev for Vercel on October 19, 2026.

### Which is more popular, Jayson or Rev for Vercel?

Jayson currently peaks at #89 in the App Store charts, and Rev for Vercel at #37. 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.*