# SPIRO vs Wanda

The clearest difference is price: Wanda at Free against SPIRO's $3.99. Wanda also leads on update cadence (every 2 months vs every 7 months). SPIRO's advantage is iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Wanda 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, Wanda every 2 months. The most recent releases landed on July 9, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | SPIRO | Wanda |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 125 MB | 65 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Universite Laval](https://appshunter.io/developer/386592978) | [Institute of Tropical Medicine](https://appshunter.io/developer/1474207981) |

## 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


### Wanda

[App page](https://appshunter.io/ios/app/wanda/id1474207982)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SPIRO free?

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

### Is Wanda free?

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

### Do SPIRO or Wanda have ads?

Neither SPIRO nor Wanda shows ads.

### Which is updated more often, SPIRO or Wanda?

SPIRO ships an update every 7 months, and Wanda every 2 months. Most recently, SPIRO was updated on July 9, 2026 and Wanda on September 19, 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.*