Comparison

BloodOxygenMonitor vs Time Walk

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

Head to head
About

BloodOxygenMonitor

Features
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Oxygen Saturation Monitoring Alerts – Your Personal Health Guardian Your Apple Watch continuously monitors your oxygen saturation levels. When your blood oxygen drops below the threshold you’ve set, it delivers immediate vibration alerts β€” especially useful during sleep in high-altitude or low-oxygen environments. This helps you stay aware of your respiratory health at a glance. Core Features β€’ Real-time Oxygen Monitoring Leveraging the blood oxygen sensor on Apple Watch Series 6 or later, your device continuously tracks your oxygen saturation for accurate and reliable health insights. β€’ Smart Alert System When your oxygen saturation falls below your preset threshold, it triggers a strong vibration alert β€” ensuring you’re immediately aware and can take prompt action. β€’ Historical Record Management Each low-oxygen alert is fully logged with timestamp, value, and severity level β€” helping you track trends over time and providing valuable reference data for medical consultations. β€’ Cross-Platform Sync Data from your iPhone and Apple Watch syncs seamlessly. All alerts, logs, and analytics are instantly accessible on your iPhone app for comprehensive review. iPhone App Highlights β€’ In-depth Data Analytics Detailed statistical breakdowns of your oxygen levels β€” including trends, averages, and anomalies. β€’ Flexible Settings Customize alert thresholds and monitoring parameters to suit your health profile β€” from sleep patterns to activity levels. Apple Watch App Highlights β€’ Clean & Intuitive Interface Designed for optimal use on your watch face β€” easy navigation, minimal taps. β€’ One-Tap Control Quickly start or stop monitoring with one tap β€” no fuss, no delay. β€’ Immediate Vibration Alerts + Sound Options Strong vibration alerts for low oxygen β€” you can also choose to enable a gentle chime or tone as a secondary alert. β€’ Real-time Status Display See your most recent blood oxygen reading and monitoring status β€” instantly, whenever you want. Privacy & Security Local Data Storage Only All health data is stored on your device by default – it never goes to a third‑party server. Optional iCloud Backup You decide whether to back up the data to iCloud. No cloud sync is performed unless you enable it. Full Control You can delete the app and all associated health data at any time – you own your information. Transparent Permission Management The app only requests essential permissions: HealthKit access for health data and workout status to enable sleep monitoring – nothing else. Medical Disclaimer This app is for health monitoring and alerting purposes only. It does not provide medical diagnosis or treatment. The data it provides is for informational and general health awareness β€” never a substitute for professional medical advice. If you have any health concerns, please consult a licensed healthcare provider. System Requirements β€’ iPhone: iOS 15.0 or later β€’ Apple Watch: watchOS 8.0 or later β€’ Device: This app requires an Apple Watch with Blood Oxygen sensor (Series 6 or later). Blood oxygen data is read from HealthKit as measured by Apple Watch's built-in sensor. This app does not perform independent blood oxygen measurements. Ideal For β€’ Anyone concerned about respiratory health β€’ Individuals with sleep apnea or breathing issues β€’ Hikers, trekkers, and travelers to high altitudes β€’ Patients managing chronic conditions requiring oxygen monitoring β€’ Health-conscious users seeking proactive, preventive care Download Now β€” Begin Your Smart Health Monitoring Journey Today! β€” Note: This application is not a medical device and does not replace professional healthcare. All data collected is for personal health awareness β€” always consult a physician if you have any concerns about your condition or symptoms. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.apple.com/legal/privacy/

About

Time Walk

Features
Read full description

【Time Walk】is a privacy-focused GPS tracking tool that automatically records your daily footprints and preserves every journey in your life. Background Track Recording The app automatically collects location data in the background. Your walking routes are recorded without manual operation, whether for daily commutes or weekend trips. Smart Stop Detection Automatically identifies where you stayed and for how long. Review the restaurants, shops, offices, and other places you visited throughout the day. Calendar View Browse your track history in a calendar layout. Tap any date to see your complete journey for that day and relive those moments. Activity Statistics View mileage and activity statistics for today, this week, this month, and the whole year. Understand your travel patterns and activity levels at a glance. Multiple Recording Modes Choose from Normal, Power Saving, or Sports modes. Switch flexibly based on your needs to balance accuracy and battery life. Local Data Storage All track data is stored locally on your device and never uploaded to the cloud, ensuring your location privacy is fully protected. Measure the world with your steps. Let Time Walk record every journey you take. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://laiyuzone.xyz/zujishiguang/privacy.html

Screenshots

BloodOxygenMonitor4 screens
Time Walk4 screens

Verdict

The call

The clearest difference is in-app purchases: Time Walk at none against BloodOxygenMonitor's 3. Time Walk also leads on iOS requirement (15.0 vs 18.5). On price, ads and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. BloodOxygenMonitor sells 3 in-app purchases, starting at $0.99 per month. Time Walk asks for nothing beyond the download.

Scorecard2 real differences Β· 4 level
BloodOxygenMonitor versus Time Walk: the parameters behind the verdict, then further details
ParameterBloodOxygenMonitorTime Walk
PriceFreeFree
Update frequencyEvery 2 weeksβ€”
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS18.515.0 β€” better
Further details β€” not scored
Size49 MB5 MB
Age rating4+4+
Developer智敏 焦Hong Kong Global Cross-Border E-Commerce Co., Limited

In-app purchases

3 purchases

BloodOxygenMonitor

Subscriptions2
  • Monthly$0.991 Month
  • Yearly$4.991 Year
One-time1
  • Lifetime$9.99
None

Time Walk

No in-app purchases

Questions

Is BloodOxygenMonitor free?
BloodOxygenMonitor is free to download, with in-app purchases available.
Is Time Walk free?
Time Walk is free to download, with no in-app purchases.
Do BloodOxygenMonitor or Time Walk have ads?
Neither BloodOxygenMonitor nor Time Walk shows ads.

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