Beyond Oximeter vs Calochron
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Beyond Oximeter
Monitor your vital signs like SpO2, pulse, and respiratory rate in real-time. Record, share, and view trend graphs of your measurements. Requires a Bluetooth-enabled device to function.
- Real-time SpO2 and pulse rate monitoring
- Respiratory rate and PI tracking
- Vital sign trend graphs
- Data recording and playback
- Share measurement reports
- Apple Health sync
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Beyond Med Shop Oximeter provides you with a variety of services, including real-time measurement of your vital signs, data recording sharing, viewing device instructions, etc. Before using the service, you need to register for an account in the APP. After sign in, the APP will automatically search and connect to your oximeter device. Note: To use the app, a Bluetooth-enabled Beyond Med Shop Oximeter is required. -What you can get with this APP: -View SpO2, pulse rate, respiratory rate, PI (Perfusion Index) in real-time. -View the vital signs trend graph. -Record and playback trend changes. -View or delete records. -Share your data measurement report -Apple Health Sync: Save all your data to Apple Health -View device instructions Declaration of jurisdiction: The medical hardware is licensed for use in the USA. If using this App outside of USA, it is your responsibility to comply with applicable local laws. MEDICAL DISCLAIMER: The data provided by this app is not intended for diagnostic or therapeutic purposes; If you have any health conditions, please be sure to consult your doctor. Note: The Beyond Med Shop Oximeter APP is designed to work only with Bluetooth-enabled Beyond Med Shop Oximeter device. To learn more about this device or to purchase it, please visit www.beyondmedshop.com.
Calochron
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Calochron is Calorie counting app built for speed and simplicity. Create a button foods you eat, then log a meal with a single tap. No accounts, no ads, no subscriptions. Log food in one-tap Turn your everyday foods into buttons. Tap to add, switch modes to subtract mistakes. Folders keep your buttons organized, and the foods you use most float to the top. Track what matters to you Optionally enable: • Macros — Protein, Carbohydrates & Fat under your calorie bar • Hydration — With a quick-add button in your choice of units • Sodium — With a custom daily target On devices running iOS 26 and later, Local Apple Intelligence Apple Intelligence can estimate its calories, macros, and sodium all right on your device your information never leaves your phone. Ask Siri Log foods, add water, check your remaining calories, or hear a daily summary by asking Siri. Stay motivated Build a streak by staying under your goal, celebrate with a daily recap, and keep over a year of daily logs. Widgets put your progress on your home screen and lock screen. Calochron is free and always will be. No ads or paywalls, nothing between you and your calorie goal.
Screenshots
Verdict
The clearest difference is update cadence: Calochron at every 2 weeks against Beyond Oximeter's every 3 months. Beyond Oximeter's advantage is iOS requirement (11.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Beyond Oximeter ships an update every 3 months, Calochron every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Beyond Oximeter | Calochron |
|---|---|---|
| Price | Free | Free |
| Rating | 2.2 (90 ratings) — better | — |
| Positive reviews | 13.3% of reviews | — |
| Number of ratings | 90 — better | — |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 20 MB | 2 MB |
| Age rating | 12+ | 4+ |
| Developer | Intelliworks, LLC | COLE NORMAN VANDRIMLEN |
Bugs and requests
Beyond Oximeter
Reported bugs
14 issues- Cannot change password
- Cannot create an account
- Password requirements are too strict or unclear
- Bluetooth pairing issues
- App freezes or crashes
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- Data sync issues with Apple Health
- Cannot paste passwords or use password managers
- Verification code not received via email
- App requires frequent re-login
- App shuts down unexpectedly
- App does not remember password or Face ID
- Data displayed in the app does not match the device
- Date picker and keyboard issues during account creation
- App does not sync accurately to Health
Requested features
6 requests- Show tracings on the report
- Allow recording notes for readings
- App for Apple Watch
- More history at a glance
- Dark mode/blackout feature for screen brightness
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- Ability to record preview heart rate
Calochron
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Beyond Oximeter
No in-app purchases
Calochron
No in-app purchases
Questions
Is Beyond Oximeter free?
Is Calochron free?
Do Beyond Oximeter or Calochron have ads?
Which is updated more often, Beyond Oximeter or Calochron?
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