# CANImmunize vs OMama

The clearest difference is review sentiment: OMama at 50% against CANImmunize's 29%. OMama also leads on monetization model (free vs ad-supported). CANImmunize's advantage is update cadence (every 3 weeks vs every 2 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.

CANImmunize ships an update every 3 weeks, OMama every 2 months. The most recent releases landed on September 23, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | CANImmunize | OMama |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (46 ratings)](https://appshunter.io/ios/app/canimmunize/id574951915/reviews)** | — |
| Number of ratings | **46** | — |
| Positive reviews | 28.9% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 81 MB | 26 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [CANImmunize Inc.](https://appshunter.io/developer/1494349120) | [Better Outcomes Registry and Network Ontario](https://appshunter.io/developer/1062102838) |

## What reviewers say

### CANImmunize

[App page](https://appshunter.io/ios/app/canimmunize/id574951915)

Securely store and manage your Canadian vaccination records digitally. Receive timely reminders for upcoming immunizations and stay informed about provincial schedules and disease outbreaks. Access trusted health resources and educational content.

**Highlights:** Digital immunization record storage, Vaccination reminders, Provincial schedule updates, Customized vaccination schedules, Outbreak information, Trusted health resources, Educational games and comics

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great for tracking vaccines
- 👍 Keeps all records organized
- 👍 Handy for reminders
- 👍 Provides reliable health info
- 👍 Useful for family records

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 Data loss issues
- 🐛 Login problems
- 🐛 App not opening
- 🐛 Records disappear

**Reported bugs**

- App crashes when opening records
- App crashes on startup
- App crashes after update
- Cannot open app on older iPhones (iOS 12)
- Login errors

**Requested features**

- Option to add medical conditions
- Ability to upload PDFs
- Transfer adult child's data to their account
- Sync with Apple HealthKit
- Option to add documentation (medical exemptions)


### OMama

[App page](https://appshunter.io/ios/app/omama/id1066408682)

This app provides trusted, evidence-informed advice for pregnancy, birth, and early parenting. It allows users to create a personal profile, track their journey week by week, and access information on resources and healthcare providers.

**Highlights:** Pregnancy, birth, and parenting advice, Personal pregnancy profile, Week-by-week tracking, Baby size comparisons, Resource and provider information, Glossary of terms

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

**In-app purchases:** none


## Frequently asked questions

### Is CANImmunize free?

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

### Is OMama free?

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

### Do CANImmunize or OMama have ads?

Neither CANImmunize nor OMama shows ads.

### Which is updated more often, CANImmunize or OMama?

CANImmunize ships an update every 3 weeks, and OMama every 2 months. Most recently, CANImmunize was updated on September 23, 2026 and OMama on August 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.*