Comparison

Rex Veterinary Clinic vs TK

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

Head to head
About

Rex Veterinary Clinic

Manage your pet's health with this app, offering online appointment booking, digital health records, and vital sign tracking. Access visit history, medications, and communicate with the veterinary service team.

Highlights
  • Online appointment booking
  • Pet health records
  • Vital sign tracking
  • Electronic health records
  • Chat with service team
  • Appointment reminders
Features
Read full description

Rex is a new breed of veterinary care. We run modern vet clinics in Berlin, Hamburg, Munich, Frankfurt, Cologne, Düsseldorf and Stuttgart - and we’re coming to many more cities. The Rex app puts your pet’s care right in your pocket. Book a visit in minutes • Pick your city, clinic, doctor and time slot - done. • Plans changed? Reschedule or cancel right in the app, no phone call needed. • Add the visit to your calendar and get directions to the clinic with one tap. Arrive like you’ve done this before • Fill in the pre-visit health questionnaire from your couch. • Sign consent forms digitally - no clipboard, no tiny pen. • Share photos and documents ahead of time, so your vet already knows what’s up. Your pet’s health, minus the paperwork • Look back at any visit: diagnoses, medications and your vet’s summary. • See the vitals from each check-up - weight, temperature, heart and respiratory rate. • View and download visit documents, including your invoice, anytime. One profile per furry family member • Keep breed, allergies, current medication and insurance details up to date. • All your pets, one account. We remind you, so you don’t have to remember • Get a nudge when a check-up or vaccination is due. • Stay on top of upcoming appointments. The Rex app is available in English and German.

About

TK

This app allows secure access to digital health services using your health insurance ID. It enables login to various health applications, manages registered devices, and handles consent settings for your health data.

Highlights
  • Create and use personal health ID
  • Login to digital health applications
  • Manage registered devices
  • Manage consents and authorizations
  • Secure identification via ID card or health card
Read full description

Nutzen Sie die App um TK-Safe, E-Rezepte in der TK-App oder den TK-GesundheitsMessenger (TI-M) zu nutzen. Mit TK-Ident und Ihrer TK-GesundheitsID können Sie sich an digitalen Gesundheitsanwendungen anmelden - bequem per Smartphone, jederzeit und überall. FUNKTIONEN - Erstellen und nutzen Sie über TK-Ident Ihre persönliche TK-GesundheitsID - Verwenden Sie TK-Ident, um sich z. B. an TK-Safe, E-Rezept in der TK-App oder dem TK-GesundheitsMessenger anzumelden. - Verwalten Sie Ihre registrierten Geräte - Verwalten Sie Ihre Zustimmungen und Freigaben SICHERHEIT Über die TK-Ident App können Sie auf sensible Gesundheitsdaten, wie beispielsweise Ihre elektronische Patientenakte TK-Safe, zugreifen. Diese Daten haben einen besonders hohen Schutzbedarf und deshalb auch hohe Sicherheitsanforderungen. Damit Sie die App nutzen können, ist eine sichere Identifikation erforderlich. Nutzen Sie dafür einfach die Online-Ausweisfunktion Ihres Personalausweises oder Ihre Gesundheitskarte mit PIN. Wir bitten Sie außerdem, diese Identifikation in regelmäßigen Abständen zu wiederholen. Unser Sicherheitskonzept für TK-Ident basiert auf strengen gesetzlichen Vorgaben. Um Ihnen ein gutes und sicheres Kundenerlebnis bieten zu können, entwickeln wir unser Konzept stetig weiter. WEITERENTWICKLUNG Wir verbessern die TK-Ident App kontinuierlich – Ihre Ideen und Hinweise helfen uns dabei am meisten. Schreiben Sie uns gerne an service@tk.de. VORAUSSETZUNG - TK-Versichert - iOS 16 oder höher BARRIEREFREIHEIT Wir bemühen uns, Ihnen eine möglichst barrierefreie App zur Verfügung zu stellen. Die Erklärung zur Barrierefreiheit finden Sie unter: https://www.tk.de/techniker/2026116

Screenshots

Rex Veterinary Clinic4 screens
TK4 screens

Verdict

The call

The clearest difference is rating: Rex Veterinary Clinic at 4.8 against TK's 1.4. Rex Veterinary Clinic also leads on review sentiment (85% vs 64%) and update cadence (fortnightly vs every 5 weeks). TK's advantage is monetization model (free vs ad-supported). On price, ratings volume, ads and in-app purchases 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.

ReceptionRating · Positive reviews · Number of ratings

Rex Veterinary Clinic holds the better App Store score, 4.8 against 1.4. Both are backed by a comparable volume of ratings — 16 and 15 respectively. Written reviews point the same way: 85% of Rex Veterinary Clinic's written reviews are positive against 64% of TK's.

UpkeepUpdate frequency

Rex Veterinary Clinic ships an update fortnightly, TK every 5 weeks. Both last shipped on October 30, 2026.

Scorecard5 real differences · 5 level
Rex Veterinary Clinic versus TK: the parameters behind the verdict, then further details
ParameterRex Veterinary ClinicTK
PriceFreeFree
Rating4.8 (16 ratings) — better1.4 (15 ratings)
Positive reviews84.6% of reviews — better64.3% of reviews
Number of ratings16 — better15
Update frequencyFortnightly — betterEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better18.0
Further details — not scored
Size55 MB192 MB
Age rating12+4+
DeveloperRex Technologies GmbHTechniker Krankenkasse (TK)

Customer experience

Rex Veterinary Clinic

All ratings16 ratings
Positive93.8%
Neutral0.0%
Negative6.3%
Written reviews13 reviews
Positive84.6%
Neutral0.0%
Negative15.4%

TK

All ratings15 ratings
Positive6.7%
Neutral6.7%
Negative86.7%
Written reviews70 reviews
Positive64.3%
Neutral7.1%
Negative28.6%

In-app purchases

None

Rex Veterinary Clinic

No in-app purchases

None

TK

No in-app purchases

Questions

Is Rex Veterinary Clinic free?
Rex Veterinary Clinic is free to download, with no in-app purchases.
Is TK free?
TK is free to download, with no in-app purchases.
Which has better reviews, Rex Veterinary Clinic or TK?
Rex Veterinary Clinic is rated higher. Rex Veterinary Clinic averages 4.8 out of 5 from 16 ratings, while TK averages 1.4 from 15 ratings.
Do Rex Veterinary Clinic or TK have ads?
Neither Rex Veterinary Clinic nor TK shows ads.
Which is updated more often, Rex Veterinary Clinic or TK?
Rex Veterinary Clinic ships an update fortnightly, and TK every 5 weeks. Most recently, Rex Veterinary Clinic was updated on October 30, 2026 and TK on October 30, 2026.

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