Comparison

Beyond Oximeter vs Calochron

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

Head to head
About

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.

Highlights
  • 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
Read full description

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.

About

Calochron

Features
Read full description

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

Beyond Oximeter4 screens
Calochron4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Beyond Oximeter versus Calochron: the parameters behind the verdict, then further details
ParameterBeyond OximeterCalochron
PriceFreeFree
Rating2.2 (90 ratings) — better—
Positive reviews13.3% of reviews—
Number of ratings90 — better—
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS11.0 — better16.0
Further details — not scored
Size20 MB2 MB
Age rating12+4+
DeveloperIntelliworks, LLCCOLE 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
Show 9 more
  • 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
Show 1 more
  • Ability to record preview heart rate

Calochron

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Beyond Oximeter

No in-app purchases

None

Calochron

No in-app purchases

Questions

Is Beyond Oximeter free?
Beyond Oximeter is free to download, with no in-app purchases.
Is Calochron free?
Calochron is free to download, with no in-app purchases.
Do Beyond Oximeter or Calochron have ads?
Neither Beyond Oximeter nor Calochron shows ads.
Which is updated more often, Beyond Oximeter or Calochron?
Beyond Oximeter ships an update every 3 months, and Calochron every 2 weeks. Most recently, Beyond Oximeter was updated on November 3, 2026 and Calochron on October 31, 2026.

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