# MIR SMART ONE vs Dignio Prevent Go

The clearest difference is update cadence: Dignio Prevent Go at every 2 months against MIR SMART ONE's every 4 months. MIR SMART ONE's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MIR SMART ONE ships an update every 4 months, Dignio Prevent Go every 2 months. The most recent releases landed on June 1, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | MIR SMART ONE | Dignio Prevent Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (22 ratings)](https://appshunter.io/ios/app/mir-smart-one/id1010664940/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 22 MB | 47 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [MIR Medical International Research](https://appshunter.io/developer/1010662698) | [Dignio](https://appshunter.io/developer/1166598601) |

## What reviewers say

### MIR SMART ONE

[App page](https://appshunter.io/ios/app/mir-smart-one/id1010664940)

This app works with a connected device to measure respiratory function, including FEV1 and PEF. It provides real-time feedback with a traffic light system and stores results for easy tracking and sharing. Personal health data is used solely for calculating target values.

**Highlights:** Bluetooth Peak Flow and FEV1 measurement, Real-time data transfer and animation, Traffic light health indicator, Automatic test result storage, Symptom and note logging, PDF report generation for sharing, Apple Health integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Dignio Prevent Go

[App page](https://appshunter.io/ios/app/dignio-prevent-go/id1540278980)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MIR SMART ONE free?

MIR SMART ONE is free to download, with no in-app purchases.

### Is Dignio Prevent Go free?

Dignio Prevent Go is free to download, with no in-app purchases.

### Do MIR SMART ONE or Dignio Prevent Go have ads?

Neither MIR SMART ONE nor Dignio Prevent Go shows ads.

### Which is updated more often, MIR SMART ONE or Dignio Prevent Go?

MIR SMART ONE ships an update every 4 months, and Dignio Prevent Go every 2 months. Most recently, MIR SMART ONE was updated on June 1, 2026 and Dignio Prevent Go on September 7, 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.*