# SPIRO vs Rheumatools John Libbey E.

The clearest difference is price: Rheumatools John Libbey E. at Free against SPIRO's $3.99. SPIRO's advantage is iOS requirement (12.0 vs 16.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Rheumatools John Libbey E. 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, Rheumatools John Libbey E. every 8 months. The most recent releases landed on July 9, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | SPIRO | Rheumatools John Libbey E. |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 8 months |
| Monetization | Paid | — |
| Size | 125 MB | 61 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Universite Laval](https://appshunter.io/developer/386592978) | [John Libbey Eurotext](https://appshunter.io/developer/503890972) |

## 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


### Rheumatools John Libbey E.

[App page](https://appshunter.io/ios/app/rheumatools-john-libbey-e/id1271348064)

**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 Rheumatools John Libbey E. free?

Rheumatools John Libbey E. is free to download, with no in-app purchases.

### Do SPIRO or Rheumatools John Libbey E. have ads?

Neither SPIRO nor Rheumatools John Libbey E. shows ads.

### Which is updated more often, SPIRO or Rheumatools John Libbey E.?

SPIRO ships an update every 7 months, and Rheumatools John Libbey E. every 8 months. Most recently, SPIRO was updated on July 9, 2026 and Rheumatools John Libbey E. on September 12, 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.*