# SPIRO vs Aorta

The clearest difference is review sentiment: Aorta at 100% against SPIRO's 0%. Aorta also leads on price (Free vs $3.99) and update cadence (every 2 months vs every 7 months). SPIRO's advantage is iOS requirement (12.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Aorta 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, Aorta every 2 months. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SPIRO | Aorta |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 125 MB | 40 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Universite Laval](https://appshunter.io/developer/386592978) | [ProductShop](https://appshunter.io/developer/1827262156) |

## 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

**Features:** Vision Pro support

**In-app purchases:** none


### Aorta

[App page](https://appshunter.io/ios/app/aorta/id6756500405)

This app provides evidence-based information and tools for managing aortic conditions. It supports clinicians with guidelines and calculators, and patients with educational resources and community support.

**Highlights:** Clinical guideline access, Aortic measurement calculators, Progress tracking tools, Referral and genetic evaluation guidance, Specialized care center directory, Patient education on conditions and genetics, Community and emotional support resources

**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 Aorta free?

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

### Do SPIRO or Aorta have ads?

Neither SPIRO nor Aorta shows ads.

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

SPIRO ships an update every 7 months, and Aorta every 2 months. Most recently, SPIRO was updated on September 30, 2026 and Aorta on October 5, 2026.

---

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