Best Osi Olfactory Stress Index Apps

249+ iOS apps curated and reviewed

4.5 avg rating

20 free apps

Updated September 2026

The best osi olfactory stress index apps on iPhone average 4.5★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Osi Olfactory Stress Index Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	OSI Olfactory Stress Index	Free	—	No	No	Aug 2026
2	NoMore App	Free	1.5★ (2)	No	No	May 2026
3	American Rhinologic Society	Free	—	No	No	Aug 2026
4	NightOwl Companion	Free	4.8★ (57K)	No	No	Sep 2026
5	NOSA Smell Training	Free	—	No	No	May 2026
6	IQAir AirVisual \| Air Quality	Free	4.8★ (44K)	No	No	Sep 2026
7	耳鼻喉医院挂号网-中医治鼻炎等耳鼻喉疾病	Free	—	No	No	May 2026
8	Check Air Quality Index - AQI	Free	4.5★ (470)	Yes	Yes	Sep 2026

Top Picks for Osi Olfactory Stress Index

#1

OSI Olfactory Stress Index by Marco Tomassoni

Editor's Choice

⚽ Sports

0.0(0 ratings)

Free

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#2

NoMore App by E-Factory Group Srl

Strong Contender

💪 Health & Fitness

1.5(2 ratings)

Free

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Track sinus discomfort and improve breathing with guided red-light routines and daily reminders. Observe patterns in symptoms, device usage, and local humidity for wellness insights. Join a community for motivation and rewards.

#3

American Rhinologic Society by American Rhinologic Society

Worth Considering

💼 Business

0.0(0 ratings)

Free

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More Osi Olfactory Stress Index apps to explore

NightOwl Companion

NightOwl Companion

NightOwl Companion

The NightOwl companion app

Monitor your sleep for breathing disorders using a finger sensor. The app guides you through setup and data collection over several nights. Consult your healthcare provider for medical decisions.

Sleep breathing disorder detectionIndex finger sensor interactionIn-app instructional videos

NOSA Smell Training

NOSA Smell Training

NOSA Smell Training

Olfactory training

This app helps users track their smell training sessions with scheduling, reminders, and visual aids. It allows for personal feedback on smell perception and quality of life improvements. Designed for well-being and lifestyle, it is not a substitute for professional medical advice.

Scheduled training sessionsCustomizable remindersVisual aids for engagement

IQAir AirVisual | Air Quality

Air quality, Wildfire & Pollen

Access real-time and forecasted air quality data for over 500,000 locations worldwide. Understand pollutant levels, receive health recommendations, and track wildfire and pollen information to plan your day safely.

Real-time air quality data7-day air pollution forecastWorld pollution maps

free with in-app purchases

耳鼻喉医院挂号网-中医治鼻炎等耳鼻喉疾病

耳鼻喉医院挂号网-中医治鼻炎等耳鼻喉疾病

耳鼻喉医院挂号网-中医治鼻炎等耳鼻喉疾病

耳鼻喉挂号-北京耳鼻咽喉科挂号APP

Check Air Quality Index - AQI

Check Air Quality Index - AQI

Check Air Quality Index - AQI

Air Quality realtime updates

Get real-time air quality updates and check the Air Quality Index (AQI) globally. Track specific pollutants and view data on a map. Receive notifications for the latest AQI changes to make informed health decisions.

Real-time AQI by GPS locationGlobal coverage (11,000+ stations)Pollutant tracking (PM2.5, O3, etc.)

💪 Health & Fitness

free with in-app purchases

Pneumonia Severity Index Score

Pneumonia Severity Index Score

Pneumonia Severity Index Score

Pneumonia Infection Mortality

Respiratory COPD Exacerbation

Respiratory COPD Exacerbation

Respiratory COPD Exacerbation

BAP-65 and DECAF Score

Virtual Doctor Visits 24/7

Access virtual doctor visits with board-certified physicians, licensed therapists, and psychiatrists 24/7. Get on-demand or scheduled appointments for a wide range of non-emergency medical and behavioral health conditions from home.

Virtual doctor visits 24/7Behavioral health appointmentsDermatology services

free with in-app purchases

Iatrogenic lung disease App

This app aids in diagnosing respiratory and cardiac diseases suspected of being drug-induced. It provides extensive information and bibliography from over 35,000 reviewed references, organized by causative drugs and respiratory patterns. It helps assess drug causality and offers diagnostic prompts.

Diagnose drug-induced respiratory diseasesExtensive bibliography from 35,000+ referencesOrganized by causative drugs and respiratory patterns

June 18-22 2023 Sofia Bulgaria

Pediatric Dental Rx

Pediatric Dental Rx

Pediatric Dental Rx

by Augusta University

This app offers a fast and straightforward method for dental practitioners to verify drug dosages and prescriptions for common medications used in pediatric dentistry. It covers a range of drug types and conditions, serving as a quick reference tool.

Drug dosage verificationPrescription checkingCovers antibiotics

COPD Pocket Consultant Guide

COPD Pocket Consultant Guide

COPD Pocket Consultant Guide

by COPD FOUNDATION, INC.

This educational resource provides information for patients, caregivers, and healthcare providers related to COPD. It serves as a guide and should not be interpreted as medical advice.

Patient and caregiver informationHealthcare provider resourcesEducational content

Healthier living starts here

Monitor and control your indoor air quality in real-time. Gain insights and manage your environment effectively with intelligent features, whether you're at home or away. Experience healthier living through advanced air care.

Real-time air quality trackingSeamless device controlsInsight and control of air

Rapid Vent Calculator

Rapid Vent Calculator

Rapid Vent Calculator

Medical Ventilator Calculator

This medical app assists healthcare professionals in calculating essential ventilator settings and medication dosages for critical care. It provides rapid, accurate results for paramedics, respiratory therapists, nurses, and doctors, streamlining patient management.

Effortless ventilator settings calculationRapid results for quick decision-makingRSI medication dosage assistant

Mobile Airway Card

Mobile Airway Card

Mobile Airway Card

by Joseph Alward

A quick reference tool for pediatric otolaryngologists. It provides essential information for residents, fellows, and attending physicians in the field.

Pediatric otolaryngology referenceDesigned for physiciansQuick information access

by Brian Dale Vander Werf MD Inc

This medical tool provides accurate and flexible acid-base analysis for healthcare professionals. It offers detailed explanations, customizable ranges, and advanced features like anion gap correction and A-a gradient adjustments for various patient conditions and locations.

Validated accuracy with real-world testingPlausibility checks for physiologically impossible dataAutomatic anion gap correction with albumin

Air Quality Index

Air Quality Index

Air Quality Index

Smoke Prediction Maps

This app provides 48-hour smoke prediction maps for the Continental US, utilizing data from NOAA. It can also display EPA AQI readings, offering a comprehensive view of air quality.

48-hour smoke prediction mapsNear surface and vertically integrated smoke dataContinental US coverage

FAQ about Osi Olfactory Stress Index

Are there free osi olfactory stress index apps for iPhone?

Yes — 20 of the top osi olfactory stress index apps we rank are free to download, including OSI Olfactory Stress Index and NoMore App.

Does OSI Olfactory Stress Index have ads or in-app purchases?

OSI Olfactory Stress Index has no ads and has no in-app purchases, according to its App Store listing as of September 2026.

How many osi olfactory stress index apps are on the App Store?

We track 249+ osi olfactory stress index apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.