# Alphatrak vs Meridius

The clearest difference is in-app purchases: Alphatrak at none against Meridius's 2. Alphatrak also leads on iOS requirement (13.0 vs 17.0). Meridius's advantage is update cadence (daily vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Meridius sells 2 in-app purchases, starting at $4.99 per month. Alphatrak asks for nothing beyond the download.

Alphatrak ships an update every 2 months, Meridius daily. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Alphatrak | Meridius |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 21.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | — |
| Size | 52 MB | 16 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Zoetis Inc](https://appshunter.io/developer/640676184) | [Bien Concepcion](https://appshunter.io/developer/1881367022) |

## What reviewers say

### Alphatrak

[App page](https://appshunter.io/ios/app/alphatrak/id6443684500)

This app helps pet owners and veterinarians track blood glucose levels for dogs and cats. It automatically captures readings, records daily activities like insulin injections and feeding, and allows for sharing reports with vets. Set reminders and integrate with veterinary software for comprehensive pet health management.

**Highlights:** Automatic glucose result capture, Record daily pet activities, Set medication and feeding reminders, Share glucose reports with veterinarians, Integrates with veterinary practice software

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 💡 Helpful for managing diabetic pets
- 👍 Generates useful reports

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🐛 Data loss and sync issues
- 🐛 Unreliable Bluetooth connectivity
- 🐛 Slow and unresponsive app

**Reported bugs**

- App deletes all user data after updates
- Unable to register or create account
- Syncing issues and lost readings

**Requested features**

- Add ability to enter notes and comments
- Allow customization of reports
- Improve data export options


### Meridius

[App page](https://appshunter.io/ios/app/meridius/id6760204699)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Apex Monthly | $4.99 | per month |
| Apex Annual | $34.99 | per year |


## Frequently asked questions

### Is Alphatrak free?

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

### Is Meridius free?

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

### Do Alphatrak or Meridius have ads?

Neither Alphatrak nor Meridius shows ads.

### Which is updated more often, Alphatrak or Meridius?

Alphatrak ships an update every 2 months, and Meridius daily. Most recently, Alphatrak was updated on October 18, 2026 and Meridius on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*