Best Spo2 Apps

246+ iOS apps curated and reviewed

3.9 avg rating
17 free apps
Updated October 2026

The best spo2 apps on iPhone average 3.9★ across 246+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top Spo2 Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesOct 2026
2Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoOct 2026
3SPO2er: Blood Oxygen on WatchSPO2er: Blood Oxygen on Watch$0.994.9★ (8)NoNoOct 2026
4View Tracker SpO2 & Pulse rateView Tracker SpO2 & Pulse rateFree1.0★ (1)NoYesMay 2026
5UltraLS   ECG SpO2 TEMPUltraLS ECG SpO2 TEMPFree3.0★ (1)NoNoMay 2026
6Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (425)NoYesSep 2026
7HR & SpO2 - Companion AppHR & SpO2 - Companion App$0.99—NoNoOct 2026
8Blood Oxygen Monitor: SpO2Blood Oxygen Monitor: SpO2Free—NoYesOct 2026

Top Picks for Spo2

Blood Oxygen App#1

Blood Oxygen App by AboutMe Apps, Inc.

SpO2 Level Monitor・Heart Rate
Editor's Choice
🏥 Medical
4.6😞(31K ratings)
FreeIn-App Purchases
#28in Medical
Blood Oxygen App screenshot 1
Blood Oxygen App screenshot 2
Blood Oxygen App screenshot 3
Blood Oxygen App screenshot 4
Blood Oxygen App screenshot 5
Blood Oxygen App screenshot 6

Monitor blood oxygen levels and heart rate using your phone's camera or by syncing with your Apple Watch. Track vital signs, share data with your doctor, and access curated health articles. Includes breathing exercises and sleep reports.

What We Love

  • ⭐ Awesome app
  • ⭐ Very easy to use
  • ⭐ Helpful for monitoring health conditions
  • ⭐ Detailed data logging

Room to Improve

  • ❌ Doesn't accurately measure blood oxygen levels
  • ❌ Requires premium subscription for key features
  • ❌ Inconsistent and unreliable performance
  • ❌ Deceptive marketing and false advertising
  • ❌ No way to contact customer support
Blood Oxygen Level#2

Blood Oxygen Level by Enrique Villahermosa Juara

Record pulse and oxygen level
Strong Contender
🏥 Medical
4.3😞(2K ratings)
FreeAds
Blood Oxygen Level screenshot 1
Blood Oxygen Level screenshot 2
Blood Oxygen Level screenshot 3
Blood Oxygen Level screenshot 4
Blood Oxygen Level screenshot 5

Easily record your daily pulse and blood oxygen levels. Track your health statistics over time with simple data entry and clear visualizations. Requires an external device like a pulse oximeter or smartwatch for measurements.

What We Love

  • 👍 Simple and easy interface
  • 🚀 Impressive work
  • 💡 Helpful for recording health conditions

Room to Improve

  • 🐛 Doesn't record anything
  • 🐛 Flickering and freezing issues
  • 🔋 Ads make it unusable
  • 🐛 Doesn't give accurate readings
  • 🐛 Doesn't sync with devices

More Spo2 apps to explore

FAQ about Spo2

What are the best spo2 apps for iPhone?
Blood Oxygen App tops our spo2 apps ranking as of October 2026, with a 4.6-star average from 31K App Store ratings, and it's free to download.
Yes — 17 of the top spo2 apps we rank are free to download, including Blood Oxygen App and Blood Oxygen Level.
Blood Oxygen App has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 246+ spo2 apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

Related searches