Comparison

gym4us vs IKK BB App

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

Head to head

About

gym4us

Features

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Mit der GYM4US-App hast du dein Fitnessstudio immer in deiner Hosentasche mit dabei! Du kannst ganz einfach Deine Mitgliedsdaten ändern und Neuigkeiten über deinen Fitnessclub erfahren.

About

IKK BB App

Manage your health insurance needs conveniently from home or on the go. Submit sick notes, upload documents, and contact customer service directly through the app. Secure data transfer with two-way authentication ensures your information is protected.

Highlights

Submit sick notes
Upload documents
Contact customer service
Secure data transfer
Two-way authentication

Read full description

Mit der IKK BB App können Sie unsere Online-Services bequem von Zuhause oder unterwegs nutzen. Erledigen Sie Ihre Angelegenheiten zukünftig mit unserer App. Hier können Sie Ihre Krankschreibung fotografieren und hochladen, Bescheinigungen einreichen oder direkt mit unserem Kundenservice in Kontakt treten. Weitere mobile Services werden fortlaufend zur App hinzugefügt. Der Schutz Ihrer Daten ist uns als Ihre Krankenkasse besonders wichtig. Daher achten wir bei allen Angelegenheiten auf eine sichere Datenübertragung, die wir mit einer Zwei-Wege-Authentifizierung (SMS-TAN-Verfahren) sicherstellen.

Screenshots

gym4us4 screens

IKK BB App4 screens

Verdict

The call

The clearest difference is update cadence: gym4us at every 3 weeks against IKK BB App's every 4 months. IKK BB App's advantage is iOS requirement (14.0 vs 16.4). 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

gym4us ships an update every 3 weeks, IKK BB App every 4 months. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 6 level

gym4us versus IKK BB App: the parameters behind the verdict, then further details
Parameter	gym4us	IKK BB App
Price	Free	Free
Positive reviews	—	18.8% of reviews
Update frequency	Every 3 weeks — better	Every 4 months
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPad	iPhone, iPad, iPod — better
Requires iOS	16.4	14.0 — better
Further details — not scored
Size	157 MB	119 MB
Age rating	4+	12+
Developer	DHZ Fitness Europe GmbH	IKK Brandenburg und Berlin

In-app purchases

None

gym4us

No in-app purchases

None

IKK BB App

No in-app purchases

Questions

Is gym4us free?

gym4us is free to download, with no in-app purchases.

Is IKK BB App free?

IKK BB App is free to download, with no in-app purchases.

Do gym4us or IKK BB App have ads?

Neither gym4us nor IKK BB App shows ads.

Which is updated more often, gym4us or IKK BB App?

gym4us ships an update every 3 weeks, and IKK BB App every 4 months. Most recently, gym4us was updated on October 1, 2026 and IKK BB App on October 2, 2026.