Comparison

MIR SMART ONE vs NxGen Spirometer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MIR SMART ONE

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
Read full description

REQUIRES THE PEAK FLOWMETER SMART ONE ™ MIR SMART ONE is a revolutionary app - integrated with Apple’s app Healt- that communicates via Bluetooth Low Energy with a Peak Flowmeter (SMART ONE ™) for self-care respiratory management. The SMART ONE system (app + device) measures FEV1 and PEF using the same exact technology currently used in the most advanced pulmonary labs worldwide. The app makes the device start the PEAK FLOW and FEV1 measurement. FUNCTIONALITIES During the test, the measurements are transferred in real time from the device to the smartphone. An intuitive animation helps the user to perform the test at best. The app compares the parameter measured by the device with the target value set during configuration, displaying a traffic light health indicator (green, yellow or red) that makes it easy to interpret the test result. The test results are automatically stored on the smartphone and can be displayed later. For each test the user can add useful information such as symptoms, with the severity grade, and notes. NOTE that the personal data of the user (Date of birth, Height, Weight, Gender and Population Origin) are requested by the app for the sole and exclusive purpose of the calculation of Peak flow and FEV1 target values. SHARING With one tap the user can create and attach a pdf to an e-mail, ready to be sent to anyone is monitoring his health condition. The user can also select the time interval to be exported into the pdf. INTEGRATION WITH THE APPLE'S APP HEALTH the app SMART ONE is integrated with the Apple's app "Health". The personal and the health data sharing is performed under the apple's guidelines in order to protect the user privacy The user can give or deny to SMART ONE the permission to read from "Health" and/or write to "Health" each single type of data. SMART ONE can write to "Health" the following data (Peak Expiratory Flow Rate, Forced Expiratory Volume 1sec, Height, Weight) SMART ONE can read from "Health" the following data (Date of Birth, Sex, Height, Weight, Peak Expiratory Flow Rate, Forced Expiratory Volume 1sec). After the user permissions, the data sharing happens fully automatically, without any user specific action

About

NxGen Spirometer

Features
Read full description

The NxGen Health App helps you conduct lung tests seamlessly and conveniently at home. Please Note :- All medical decisions based on the output of this device shall be made by a licensed healthcare professional only.

Screenshots

MIR SMART ONE4 screens
NxGen Spirometer4 screens

Verdict

The call

MIR SMART ONE and NxGen Spirometer are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

MIR SMART ONE ships an update every 4 months, NxGen Spirometer every 7 months. The most recent releases landed on June 1, 2026 and May 17, 2026 respectively.

ScorecardNo meaningful differences
MIR SMART ONE versus NxGen Spirometer: the parameters behind the verdict, then further details
ParameterMIR SMART ONENxGen Spirometer
PriceFreeFree
Rating2.8 (22 ratings) — better—
Positive reviews25.0% of reviews—
Number of ratings22 — better—
Update frequencyEvery 4 months — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.012.0
Further details — not scored
Size22 MB55 MB
Age rating17+17+
DeveloperMIR Medical International ResearchSafey Medical Devices Ltd

In-app purchases

None

MIR SMART ONE

No in-app purchases

None

NxGen Spirometer

No in-app purchases

Questions

Is MIR SMART ONE free?
MIR SMART ONE is free to download, with no in-app purchases.
Is NxGen Spirometer free?
NxGen Spirometer is free to download, with no in-app purchases.
Do MIR SMART ONE or NxGen Spirometer have ads?
Neither MIR SMART ONE nor NxGen Spirometer shows ads.
Which is updated more often, MIR SMART ONE or NxGen Spirometer?
MIR SMART ONE ships an update every 4 months, and NxGen Spirometer every 7 months. Most recently, MIR SMART ONE was updated on June 1, 2026 and NxGen Spirometer on May 17, 2026.

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