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39
BU Score
Emerging

DB Call a Bike

3.0 ✍️ Editor
✍️ BU Analytics Review

DB Call a Bike is an iOS app from Deutsche Bahn Connect GmbH in the Travel category, currently rated 3.0★ across 48 ratings. Initial signal reads as mostly critical sentiment so far — users flag rough edges and unmet expectations.

Our BU Score puts it at 39Emerging (early traction worth watching). For a Travel app, that means early traction worth watching.

Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.

📊 Performance Tracking LIVE

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idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
0
since first record
Range:

💰 Forecast Revenue / mo

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 6 of 6 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Below-average rating (3.0★)METRIC
−$1,500
Mature app (15y old)METRIC
+$1,500
slowREVIEW
−$1,200
support teamREVIEW
+$900
Ad-supported / freemiumMETRIC
+$600
Pre-traction phase (48 ratings)METRIC
−$300
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Aug 24
Oct 24
Feb 25
Apr 25
Jun 25
Aug 25

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 64 MB🔞 4+📱 iOS 17.0+🔖 v7.6.6🔄 updated 3w ago🌐 EN, DE📂 Travel💰 Free🚀 Launched 2011 (15y old)

📝 About this app

With Call a Bike, you are spontaneously and flexibly mobile around the clock. Whether you're on your way to work, after work or on a city trip, with Call a Bike you can rent a bike at any time and anywhere in Germany.

A total of 13,000 bikes are available in over 80 cities. You can also use the app to hire a bike from StadtRAD Hamburg and Lüneburg as well as RegioRadStuttgart.

All bikes are displayed on an interactive map in the app. You can rent them using the QR code or by entering the bike number.

You can pause your journey: simply activate it in the app and close the bike lock.

To return the bike, take it to one of the Call a Bike stations that you can find on the interactive map in the app.

You can view the details and costs of your journeys in your bookings at any time. You can also redeem voucher codes, report damage and manage your customer account here.

Let's go : register, get on, start cycling!

Do you like the app or do you have feedback for us? Then rate us here in the App Store, on Facebook or Instagram.

Have a good trip,
your Call a Bike team

🆕 What's New · v7.6.6

We have improved the following for you:

Modern design: Updates for iOS 26
Bug fixes: We squashed some bugs to make your rides even smoother and more reliable and added stability improvements for the map

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
DB Call a Bike
Developer
Deutsche Bahn Connect GmbH
Bundle ID
de.dbrent.callabike
App Store URL
Open in App Store
Category
Travel
Content rating
4+
Languages
EN, DE

Company

Website
www.callabike.de
Tagline
Bikesharing mit Call a Bike
Description
Call a Bike – das zuverlässige Fahrradverleihsystem. Jetzt registrieren, Bikes in vielen Städten finden und umweltfreundlich mobil sein. Einfach, günstig und flexibel!
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
OG image

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
Not found
ML model estimate / mo
$584/mo
Top-grossing rank
Outside top 100 in US Travel
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
https://de.linkedin.com/company/deutsche-bahn-connect
GitHub
Not found
X followers
Not found
Public statements
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
https://www.callabike.de/de/impressum
Press / News
Not found

Contacts & Socials

Socials
facebook · instagram · linkedin
Email
Not found
Phone
Not found
Contact page
Not found
About page
Not found
📈Ratings growth48 ratings+4700% lifetimeShow 3-year history estimate ▾Aug 2011Mar 2024May 2026
Tracked (30 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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