# FORScan Viewer vs Razorbill

The clearest difference is update cadence: Razorbill at every 2 days against FORScan Viewer's every 3 months. FORScan Viewer's advantage is iOS requirement (9.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FORScan Viewer ships an update every 3 months, Razorbill every 2 days. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | FORScan Viewer | Razorbill |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (104 ratings)](https://appshunter.io/ios/app/forscan-viewer/id1344642568/reviews)** | — |
| Number of ratings | **104** | — |
| Positive reviews | 31.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 80 MB | 47 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aleksei Savin](https://appshunter.io/developer/892347086) | [ShedCard](https://appshunter.io/developer/1230135756) |

## What reviewers say

### FORScan Viewer

[App page](https://appshunter.io/ios/app/forscan-viewer/id1344642568)

This application allows users to read and view information about the on-board network of Ford, Mazda, Lincoln, and Mercury vehicles. It supports various OBD adapters and displays diagnostic trouble codes for all modules.

**Highlights:** Read vehicle on-board network configuration, View Diagnostic Trouble Codes (DTC), Supports Ford, Mazda, Lincoln, Mercury vehicles, Compatible with OBDLink MX+, vLinker adapters, Displays module information

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Comprehensive real-time sensor monitoring and data recording
- 📊 Detailed error code viewing and analysis capabilities
- ⚙️ Extensive vehicle customization and performance settings
- ✅ Works excellently with quality OBD2 adapters
- 🔧 Superior diagnostics compared to competing apps

**What reviewers complain about**

- 🐛 Frequent Bluetooth connectivity failures
- 🐛 WiFi connection issues and instability
- ❌ Incompatible with many popular OBD2 adapters
- 📱 iOS version severely limited compared to Windows
- ⚠️ Error codes fail to clear properly

**Reported bugs**

- App fails to detect OBD2 adapters despite successful pairing
- Bluetooth connection drops and fails to reconnect
- WiFi adapter detection not working after updates
- Error code clearing functionality non-functional
- Vehicle identification fails on certain models

**Requested features**

- Bluetooth Low Energy (BLE) adapter support
- Full feature parity between iOS and Windows versions
- Turkish language support
- Improved UI scaling for modern iPhones
- Expanded vehicle compatibility


### Razorbill

[App page](https://appshunter.io/ios/app/razorbill/id6804854263)

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

**In-app purchases:** none


## Frequently asked questions

### Is FORScan Viewer free?

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

### Is Razorbill free?

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

### Do FORScan Viewer or Razorbill have ads?

Neither FORScan Viewer nor Razorbill shows ads.

### Which is updated more often, FORScan Viewer or Razorbill?

FORScan Viewer ships an update every 3 months, and Razorbill every 2 days. Most recently, FORScan Viewer was updated on October 17, 2026 and Razorbill on October 10, 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.*