# ABR Mobile vs Castle Management Services

The clearest difference is update cadence: Castle Management Services at every 10 days against ABR Mobile's every 3 weeks. 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.

ABR Mobile ships an update every 3 weeks, Castle Management Services every 10 days. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ABR Mobile | Castle Management Services |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (8 ratings)](https://appshunter.io/ios/app/abr-mobile/id6474595634/reviews)** | — |
| Number of ratings | **8** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free | — |
| Size | 38 MB | 110 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [American Bully Registry](https://appshunter.io/developer/1721915346) | [CINC Systems](https://appshunter.io/developer/673135886) |

## What reviewers say

### ABR Mobile

[App page](https://appshunter.io/ios/app/abr-mobile/id6474595634)

This app allows users to register their dogs with the ABR Registry. Upon successful registration, a certified American Bully Registry certificate is issued.

**Highlights:** Dog registration, ABR Registry, Certified certificates, American Bully breed

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

**In-app purchases:** none


### Castle Management Services

[App page](https://appshunter.io/ios/app/castle-management-services/id6797623861)

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

**In-app purchases:** none


## Frequently asked questions

### Is ABR Mobile free?

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

### Is Castle Management Services free?

Castle Management Services is free to download, with no in-app purchases.

### Do ABR Mobile or Castle Management Services have ads?

Neither ABR Mobile nor Castle Management Services shows ads.

### Which is updated more often, ABR Mobile or Castle Management Services?

ABR Mobile ships an update every 3 weeks, and Castle Management Services every 10 days. Most recently, ABR Mobile was updated on November 4, 2026 and Castle Management Services on October 25, 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.*