Comparison

Twinia vs Blood Oxygen Level

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

Head to head
About

Twinia

Access up-to-date information about a maxilofacial surgery clinic, its services, and medical staff. Complete and sign necessary forms digitally to streamline your visit and reduce waiting times.

Highlights
  • Clinic information and services
  • Medical staff profiles
  • Digital personal data forms
  • Online healthcare questionnaire
  • Digital disclaimers
  • Email PDF copies of forms
Features
Read full description

Welcome to Maxilodexeus, the maxilofacial surgery clinic hosted in the notorious Dexeus Institute. We're proud to introduce Twinia, an app that will bring you the following useful features: * Up-to-date information about the clinic, its services and treatments * Detailed info about medical staff and their curriculums * Using easy forms allow you to introduce your personal data and avoid waiting times later at the waiting room * You can also complete and sign the healthcare questionnaire and disclaimers * A PDF copy of all forms will be emailed to the user

About

Blood Oxygen Level

Track your blood oxygen saturation levels and monitor changes over time. Log additional symptoms to gain a more comprehensive understanding of your condition. Supports multiple user profiles and synchronizes with HealthKit for pulse and oxygen data.

Highlights
  • Oxygen saturation tracking
  • Symptom logging
  • History of changes
  • Multiple user profiles
  • HealthKit synchronization
Features
Read full description

Do you want to control your physical activity? Or maybe a pilot or a climber came to our page? In any case, it would be easier for you to track your oxygen with our help. Use your oximeter to measure it and enter the data in the app, it will help you to track the changes. 

- Tracking of oxygen saturation level 
 Quickly and easily enter the data about your level of oxygen in the blood.

 - Additional symptoms 
 A list of symptoms that you are experiencing will help you to more accurately analyze your condition. 

 - History Control changes of your saturation. 

- Multiple profiles 
 Ability to create multiple profiles for the whole family SYNCHRONIZATION with Health Kit which can help you to get the information about your pulse and blood oxygen 

Disclaimer: Please pay attention that the app is not intended for medical use, to obtain accurate data please consult your doctor. Do not delay the visit to your doctor if you have some problems with your blood oxygen. Blood Oxygen Monitor app neither substitutes your doctor, nor is Blood Oxygen Monitor app responsible for your behavior. By accepting these T&C, you confirm that you are solely responsible for your health. ************************************************************* • Subscription Blood Oxygen Monitor get access to all functions of the application. • You can turn off the auto-renewal at any time: you'll find the option to do this change to a different payment plan in the settings of your iTunes and App Store account. • The first time you can try the free trial for 3 days. After that, your account will be automatically charged for the subscription if you will not stop it before the end of the free trial. • The length of the subscription is 1 month, this subscription is auto-renewing. You can stop the subscription at any moment; • Account will be charged for renewal within 24-hours prior to the end of the current period, and is identical to the cost of the renewal. • Removing the app doesn’t automatically cancel the subscription. ATTENTION: before you subscribe please read: Privacy Policy(https://rabosh.kz/privacy) Terms Of Use(https://rabosh.kz/tos/oxy)

Screenshots

Blood Oxygen Level4 screens

Verdict

The call

The clearest difference is review sentiment: Twinia at 100% against Blood Oxygen Level's 0%. Twinia also leads on in-app purchases (none vs 1) and iOS requirement (11.0 vs 15.0). Blood Oxygen Level's advantage is update cadence (every 5 weeks vs every 4 months) and device support (4 vs 1). On price and ads 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. Blood Oxygen Level sells 1 in-app purchase, starting at $9.99 per month. Twinia asks for nothing beyond the download.

UpkeepUpdate frequency

Twinia ships an update every 4 months, Blood Oxygen Level every 5 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Twinia versus Blood Oxygen Level: the parameters behind the verdict, then further details
ParameterTwiniaBlood Oxygen Level
PriceFreeFree
Rating—3.9 (193 ratings) — better
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings—193 — better
Update frequencyEvery 4 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPadiPhone, iPad, iPod, Apple Watch — better
Requires iOS11.0 — better15.0
Further details — not scored
Size5 MB24 MB
Age rating17+4+
DeveloperTwinia Solutions S.L.Svetlana Rabosh

Customer experience

Twinia

Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Blood Oxygen Level

All ratings191 ratings
Positive70.7%
Neutral5.2%
Negative24.1%
Written reviews23 reviews
Positive0.0%
Neutral4.3%
Negative95.7%

In-app purchases

None

Twinia

No in-app purchases

1 purchases

Blood Oxygen Level

Subscriptions1
  • Blood Oxygen Monitor One Month3 Days trial$9.991 Month

Questions

Is Twinia free?
Twinia is free to download, with no in-app purchases.
Is Blood Oxygen Level free?
Blood Oxygen Level is free to download, with in-app purchases available.
Do Twinia or Blood Oxygen Level have ads?
Neither Twinia nor Blood Oxygen Level shows ads.
Which is updated more often, Twinia or Blood Oxygen Level?
Twinia ships an update every 4 months, and Blood Oxygen Level every 5 weeks. Most recently, Twinia was updated on November 1, 2026 and Blood Oxygen Level on November 3, 2026.

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