# CDN STBBI Guidelines vs The Perinatal Memo

The clearest difference is price: CDN STBBI Guidelines at Free against The Perinatal Memo's $39.99. CDN STBBI Guidelines also leads on in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.1). The Perinatal Memo's advantage is update cadence (every 2 months vs every 4 months). On review sentiment, ads and device support there is nothing between them.

CDN STBBI Guidelines is free to download; The Perinatal Memo costs $39.99 up front. The Perinatal Memo sells 1 in-app purchase, starting at $19.99 per year. CDN STBBI Guidelines asks for nothing beyond the download.

CDN STBBI Guidelines ships an update every 4 months, The Perinatal Memo every 2 months. The most recent releases landed on November 7, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | CDN STBBI Guidelines | The Perinatal Memo |
| --- | --- | --- |
| Price | **Free** | $39.99 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free** | Paid |
| Size | 29 MB | 112 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Health Canada / Santé Canada](https://appshunter.io/developer/408663392) | [Les Editions Memos S.E.N.C.](https://appshunter.io/developer/1551841087) |

## What reviewers say

### CDN STBBI Guidelines

[App page](https://appshunter.io/ios/app/cdn-stbbi-guidelines/id958263397)

This app offers Canadian health professionals current recommendations for screening, diagnosing, managing, and treating sexually transmitted infections (STIs). It's based on updated guidelines and complementary resources, focusing on uncomplicated STIs in adults and youth.

**Highlights:** STI screening recommendations, Diagnosis guidance, Management protocols, Treatment strategies, Antibiotic-resistant gonorrhea updates, Concise and easy-to-use format

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

**In-app purchases:** none


### The Perinatal Memo

[App page](https://appshunter.io/ios/app/the-perinatal-memo/id1551840935)

A quick reference guide for healthcare professionals on Canadian perinatal care recommendations and practice guidelines. It covers evidence-based information for pregnant women, childbirth, and newborns.

**Highlights:** Canadian perinatal care guidelines, Evidence-based recommendations, Covers pregnancy, childbirth, and newborns, Quick reference for professionals, Designed for family physicians, midwives, nurses

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abonnement au contenu | $19.99 | per year |


## Frequently asked questions

### Is CDN STBBI Guidelines free?

CDN STBBI Guidelines is free to download, with no in-app purchases.

### Is The Perinatal Memo free?

The Perinatal Memo costs $39.99, and also offers in-app purchases.

### Do CDN STBBI Guidelines or The Perinatal Memo have ads?

Neither CDN STBBI Guidelines nor The Perinatal Memo shows ads.

### Which is updated more often, CDN STBBI Guidelines or The Perinatal Memo?

CDN STBBI Guidelines ships an update every 4 months, and The Perinatal Memo every 2 months. Most recently, CDN STBBI Guidelines was updated on November 7, 2026 and The Perinatal Memo on November 11, 2026.

---

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