# Sunfab Service Support AR vs Dull Grading

The clearest difference is update cadence: Dull Grading at every 2 months against Sunfab Service Support AR's every 16 months. 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.

Sunfab Service Support AR ships an update every 16 months, Dull Grading every 2 months. The most recent releases landed on October 8, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Sunfab Service Support AR | Dull Grading |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 months** |
| Size | 257 MB | 44 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sunfab Hydraulics AB](https://appshunter.io/developer/550163619) | [ZerdaLab Ltd](https://appshunter.io/developer/1694028622) |

## What reviewers say

### Sunfab Service Support AR

[App page](https://appshunter.io/ios/app/sunfab-service-support-ar/id1350473243)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dull Grading

[App page](https://appshunter.io/ios/app/dull-grading/id6450608130)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sunfab Service Support AR free?

Sunfab Service Support AR is free to download, with no in-app purchases.

### Is Dull Grading free?

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

### Do Sunfab Service Support AR or Dull Grading have ads?

Neither Sunfab Service Support AR nor Dull Grading shows ads.

### Which is updated more often, Sunfab Service Support AR or Dull Grading?

Sunfab Service Support AR ships an update every 16 months, and Dull Grading every 2 months. Most recently, Sunfab Service Support AR was updated on October 8, 2026 and Dull Grading on October 27, 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.*