# Canada Post vs Castleridge Vet

The clearest difference is ads: Castleridge Vet at none against Canada Post's shown. Castleridge Vet also leads on iOS requirement (11.0 vs 16.0). Canada Post's advantage is update cadence (every 3 weeks vs every 13 months). On price, 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.

Canada Post ships an update every 3 weeks, Castleridge Vet every 13 months. The most recent releases landed on October 30, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Canada Post | Castleridge Vet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5K ratings)](https://appshunter.io/ios/app/canada-post/id394391577/reviews)** | — |
| Number of ratings | **5K** | — |
| Positive reviews | 22.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 13 months |
| Monetization | Ad-supported | — |
| Size | 121 MB | 44 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Canada Post Corporation](https://appshunter.io/developer/394391580) | [Castleridge Veterinary Ltd](https://appshunter.io/developer/1476723427) |

## What reviewers say

### Canada Post

[App page](https://appshunter.io/ios/app/canada-post/id394391577)

Manage all your shipping and mail needs on the go. Track packages, create shipping labels, receive mail notifications, and find post office locations. Pay duties and taxes, and simplify international shipping with this comprehensive tool.

**Highlights:** Instant package tracking, Create and print shipping labels, Mail delivery notifications, FlexDelivery™ package pickup, Schedule Home Pickup, Pay duties and taxes, Virtual assistant support

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 👍 Good app
- 🚀 Convenient tracking
- 🚀 Useful features
- 👍 Reliable service
- 👍 Easy to use

**What reviewers complain about**

- 🐛 Bugs and glitches
- 🔍 Inaccurate tracking information
- 🔍 Delayed updates
- 🔍 Lack of details
- 🔍 Useless for actual mail delivery

**Reported bugs**

- Frequent sign-outs and login issues
- Inability to access 'MyMail' feature
- Tracking information not updating properly
- App crashes and freezes
- Incompatibility with certain devices/OS versions

**Requested features**

- Improve mail notification features
- Provide more detailed tracking information
- Allow payment of duties/taxes within the app
- Improve identity verification process
- Streamline app navigation and design


### Castleridge Vet

[App page](https://appshunter.io/ios/app/castleridge-vet/id1018052186)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Canada Post free?

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

### Is Castleridge Vet free?

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

### Do Canada Post or Castleridge Vet have ads?

Canada Post shows ads; Castleridge Vet does not.

### Which is updated more often, Canada Post or Castleridge Vet?

Canada Post ships an update every 3 weeks, and Castleridge Vet every 13 months. Most recently, Canada Post was updated on October 30, 2026 and Castleridge Vet on October 26, 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.*