Comparison

Rex Veterinary Clinic vs 4ever

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

4ever

Features
Read full description

Plan your training, remember what you lifted last time and build a routine you can keep. 4ever brings workout programs, exercise load history and training progress together for independent trainees and coaches. REMEMBER YOUR LAST LIFT Record exercise loads in kg or lb and review previous entries. Bring your training history into your next session instead of relying on memory. BUILD IT ONCE. TRAIN WITH IT AGAIN. Create structured programs and sessions with exercises, sets, repetitions and rest periods. Reuse your weekly plan and follow your current training cycle. YOUR EXERCISE LIBRARY Create and organize reusable exercises with instructions and video links. Bring your own exercise library into the programs you build. SEE YOUR CONSISTENCY Review completed sessions, training statistics and streaks. See the work you have already put in and follow your progress over time. FINISH WITH ENCOURAGEMENT Session completion messages add a little motivation after the work is done. FOR TRAINEES AND COACHES Follow a program yourself or create programs and assign them to students. Browse training programs, including strength, conditioning and martial arts options. Explore The Modern Samurai program or import workout text with AI. An account is required for personal training records. Some programs and features require a subscription or in-app purchase. AI features require Pro and sufficient AI credits. The app supports English, Portuguese, Spanish, Simplified Chinese and Estonian. Some exercise names, program content and videos may remain in their original language. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Rex Veterinary Clinic4 screens
4ever4 screens

Verdict

The call

The clearest difference is in-app purchases: Rex Veterinary Clinic at none against 4ever's 1. 4ever's advantage is update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement 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. 4ever sells 1 in-app purchase, starting at $3.99 per month. Rex Veterinary Clinic asks for nothing beyond the download.

UpkeepUpdate frequency

Rex Veterinary Clinic ships an update fortnightly, 4ever weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
Rex Veterinary Clinic versus 4ever: the parameters behind the verdict, then further details
ParameterRex Veterinary Clinic4ever
PriceFreeFree
Rating4.8 (16 ratings) — better—
Positive reviews84.6% of reviews—
Number of ratings16 — better—
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.115.1
Further details — not scored
Size55 MB70 MB
Age rating12+4+
DeveloperRex Technologies GmbHMike Camara

In-app purchases

None

Rex Veterinary Clinic

No in-app purchases

1 purchases

4ever

Subscriptions1
  • Personal Trainer Pro$3.991 Month

Questions

Is Rex Veterinary Clinic free?
Rex Veterinary Clinic is free to download, with no in-app purchases.
Is 4ever free?
4ever is free to download, with in-app purchases available.
Do Rex Veterinary Clinic or 4ever have ads?
Neither Rex Veterinary Clinic nor 4ever shows ads.
Which is updated more often, Rex Veterinary Clinic or 4ever?
Rex Veterinary Clinic ships an update fortnightly, and 4ever weekly. Most recently, Rex Veterinary Clinic was updated on November 3, 2026 and 4ever on October 30, 2026.

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