Best Pulse Oximeter Free Apps

250+ iOS apps curated and reviewed

3.3 avg rating
20 free apps
Updated November 2026

If you already know Blood Oxygen App, this is the deeper bench. 250+ pulse oximeter free apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of November 2026.

Compare top Pulse Oximeter Free Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesNov 2026
2Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoNov 2026
3Pulse Oximeter ProPulse Oximeter ProFree1.5★ (4)NoNoMay 2026
4Heart Rate Monitor - Pulse BPMHeart Rate Monitor - Pulse BPMFree4.6★ (131K)YesYesNov 2026
5InPulse - Heart Rate MonitorInPulse - Heart Rate MonitorFree4.6★ (180K)NoYesNov 2026
6iHealth MyVitalsiHealth MyVitalsFree4.8★ (166K)NoNoNov 2026
7Beyond OximeterBeyond OximeterFree2.2★ (90)NoNoOct 2026
8Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (428)NoYesOct 2026

Top Picks for Pulse Oximeter Free

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
#29in 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 Pulse Oximeter Free apps to explore

FAQ about Pulse Oximeter Free

What are the best pulse oximeter free apps for iPhone?
Blood Oxygen App tops our pulse oximeter free apps ranking as of November 2026, with a 4.6-star average from 31K App Store ratings, and it's free to download.
Blood Oxygen App has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 250+ pulse oximeter free apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.