Comparison

TK vs Ovy Baby

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

Head to head
About

TK

Manage your health insurance digitally. Upload receipts, view sick notes, and track fitness for bonus points. Securely communicate with your provider and access your health data.

Highlights
  • Digital receipt uploads
  • View sick notes
  • Secure messaging with provider
  • Digital bonus program
  • Fitness tracking via Apple Health/Fitbit
  • Access to health data (TK-Safe)
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“Die Techniker” provides its customers with a digital all-purpose tool. For example, you can use this app to upload your receipts for reimbursement, view existing sick notes, or do something for your fitness while collecting bonus points." FEATURES - Protection of sensitive data through secure login (e.g. no jailbreak allowed) - Transmission of sick notes and documents - Send messages to the Techniker - Receive letters from the Techniker - Use the TK Bonus Program completely digitally - TK-Fit with access to Apple Health or Fitbit - Overview of prescribed drugs of the last six years - Apply for reimbursement of costs for medicines, vaccines, osteopathy and health courses SECURITY As a statutory health insurance company, we are committed to the best possible protection of your health data. That's why we check your identity when setting up TK-App on your smartphone. You can either identify yourself online using your ID card and PIN via the Nect Wallet app or by entering an activation code. We‘ll send you the activation code via post. You can find everything else about our security concept at www.tk.de/tk/942778 Note: The use of TK-App with jailbroken devices is generally not possible. FURTHER DEVELOPMENT We are continuously adding new features to TK-App - your ideas and hints help us most. Write us directly and anonymously via the feedback function in TK-App. BONUS & TK-Fit Membership in a football club, regular check-ups at the dentist, the non-smoking course after New Year's Day - all these things earn points for the TK Bonus Program. And thanks to the connection to Apple Health or Fitbit, you'll receive points for many other activities. TK-SAFE With TK-Safe you have all relevant health data at a glance: Your visits to the doctor, diagnoses, medication, vaccinations, preventative medical checkups and much more. Please note that TK-Fit and TK-Safe are not available in English yet. REQUIREMENTS For the TK-App: - TK customer - iOS 18 or higher - No device with modified operating system, e.g. Jailbreak (For more information, see www.tk.de/tk/942782) For TK-Fit: - Step counting using Apple Health or Fitbit and your smartphone or a compatible fitness tracker (for information on TK-Fit, see www.tk.de/tk/938122) ACCESSIBILITY We aim at providing you an app that is as barrier-free as possible. You can find the accessibility statement at https://www.tk.de/techniker/2137808.

About

Ovy Baby

Features
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Track your pregnancy week by week, document how you’re feeling, and monitor over 50 key body signals. Get personalized insights into your baby’s development and explore helpful articles on everything related to pregnancy. After birth, you can easily switch to postpartum mode. The Ovy Baby App guides you through all three trimesters of your pregnancy. Use the familiar Ovy App design to navigate through your pregnancy weeks. Visuals and detailed information help you understand how your baby is developing. You'll receive useful tips and week-specific updates tailored to your current stage.This app was created for pregnant individuals and new moms in the postpartum period who want to better understand their bodies and their baby’s growth. Important: The Ovy Baby App is not a medical product and does not replace professional medical advice or check-ups at any time. How does the Ovy Baby App work: + Register and calculate your estimated due date – the app automatically tracks your current week of pregnancy. + Follow your baby’s weekly growth and weight with easy-to-understand comparisons. + Get reminders about important medical check-ups relevant to each stage of pregnancy. + Access expert-reviewed articles on nutrition, physical changes, mental health, relationships, birth preparation, and more. + Use the calendar to track and review your symptoms or add entries retroactively. + Log your personal notes, feelings or symptoms using biomarkers. + Track up to 50 individual body signals such as sleep, hydration, blood pressure, pulse, mood, illness, medication, custom notes, physical activity, and more – for a holistic understanding of your pregnancy. Also here for you after birth – Ovy Baby App in postpartum mode: + Continue using the app after giving birth to document your postpartum experience. + Log breastfeeding, bottle-feeding, diapers, sleep patterns, and more. + Keep an eye on your physical and emotional wellbeing – such as sleep, mood, bleeding, energy levels, hydration, and more. + Get helpful tips for those first weeks with your baby. Here’s what you can use the Ovy Baby App for: + Overview of your current pregnancy week and due date + Visual representation of your baby’s development (size, weight, milestones) + Expert-reviewed articles on every phase of pregnancy and postpartum + Personal journaling and symptom tracking + Clear overview of physical changes and symptoms + Built-in calendar functionality + Track up to 50 data points such as sleep, hydration, pulse, symptoms, feeding times, and more The Ovy team respects your privacy: We only use your data to calculate your pregnancy weeks, do not sell any data and do not overwhelm you with advertising in the Ovy Baby App. You can find more information online: Privacy Policy: https://ovyapp.com/en/pages/datenschutzbestimmungen Terms and Conditions: https://ovyapp.com/en/pages/allgemeine-geschaftsbedingungen

Screenshots

TK4 screens
Ovy Baby4 screens

Verdict

The call

The clearest difference is update cadence: Ovy Baby at daily against TK's every 9 days. 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

TK ships an update every 9 days, Ovy Baby daily. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard1 real difference · 9 level
TK versus Ovy Baby: the parameters behind the verdict, then further details
ParameterTKOvy Baby
PriceFreeFree
Rating4.8 (1.2K ratings) — better—
Positive reviews71.8% of reviews—
Number of ratings1.2K — better—
Update frequencyEvery 9 daysDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone
Requires iOS18.017.0 — better
Further details — not scored
Size540 MB15 MB
Age rating12+17+
DeveloperTechniker Krankenkasse (TK)Ovy GmbH

Bugs and requests

TK

Reported bugs

5 issues
  • Login issues after updates
  • Incompatibility with older devices
  • Synchronization problems with Apple Health
  • Errors when submitting sick notes
  • Incomplete English translations

Requested features

5 requests
  • English language support for all features
  • Integration with more fitness tracking apps
  • Larger QR code display in wallet for easier scanning
  • Ability to view and manage bonus program details
  • Improved data synchronization and real-time updates

Ovy Baby

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

TK

No in-app purchases

None

Ovy Baby

No in-app purchases

Questions

Is TK free?
TK is free to download, with no in-app purchases.
Is Ovy Baby free?
Ovy Baby is free to download, with no in-app purchases.
Do TK or Ovy Baby have ads?
Neither TK nor Ovy Baby shows ads.
Which is updated more often, TK or Ovy Baby?
TK ships an update every 9 days, and Ovy Baby daily. Most recently, TK was updated on November 1, 2026 and Ovy Baby on October 30, 2026.

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