# SPIRO vs Probiotic Guide Canada

The clearest difference is price: Probiotic Guide Canada at Free against SPIRO's $3.99. SPIRO's advantage is iOS requirement (12.0 vs 14.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Probiotic Guide Canada is free to download; SPIRO costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SPIRO ships an update every 7 months, Probiotic Guide Canada every 6 months. The most recent releases landed on July 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | SPIRO | Probiotic Guide Canada |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 months** |
| Monetization | Paid | — |
| Size | 125 MB | 19 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Universite Laval](https://appshunter.io/developer/386592978) | [BH SOFT INC](https://appshunter.io/developer/1378719091) |

## What reviewers say

### SPIRO

[App page](https://appshunter.io/ios/app/spiro/id1135982423)

This medical app assists healthcare professionals and students in interpreting spirometry tests. It provides diagnostic and treatment suggestions based on entered data and offers access to educational materials and respiratory health guidelines.

**Highlights:** Interpret spirometry tests, Diagnostic suggestions, Treatment suggestions, Access respiratory guidelines, Educational material, Patient follow-up tool

**In-app purchases:** none


### Probiotic Guide Canada

[App page](https://appshunter.io/ios/app/probiotic-guide-canada/id1378719092)

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

**In-app purchases:** none


## Frequently asked questions

### Is SPIRO free?

SPIRO costs $3.99, with no in-app purchases.

### Is Probiotic Guide Canada free?

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

### Do SPIRO or Probiotic Guide Canada have ads?

Neither SPIRO nor Probiotic Guide Canada shows ads.

### Which is updated more often, SPIRO or Probiotic Guide Canada?

SPIRO ships an update every 7 months, and Probiotic Guide Canada every 6 months. Most recently, SPIRO was updated on July 9, 2026 and Probiotic Guide Canada on September 8, 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.*