Comparison

BOOK vs Zelf mobility

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

Head to head
About

BOOK

This service facilitates local travel and exploration around Erlangen, specifically for guests of BOOK-IT apartments. It offers a convenient way for anyone in the vicinity to get around town.

Highlights
  • Local ride sharing
  • Explore Erlangen
  • Guest transportation
  • Open to all users
  • Convenient local travel
Features
Read full description

The BOOK-IT ride sharing service is a service established by BOOK-IT apartments in Erlangen in order to help our guests get around town and explore Erlangen. It's open to everyone but is located around the BOOK-IT apartments.

About

Zelf mobility

This app consolidates all your transportation needs into a single platform. Find, book, and switch between cars, vans, taxis, scooters, and e-bikes with one account and payment method. Enjoy flexible mobility for any journey, from daily commutes to moving larger items.

Highlights
  • Find and book various transport modes
  • Switch between cars, vans, taxis, scooters, e-bikes
  • Single account and payment method
  • Transparent pricing
  • Instant booking and payment
  • Trip history and receipts
Features
Read full description

One app. Every way to move. Find, book, and switch between cars, vans, taxis, scooters, and e-bikes—all in one simple app. Whether you need a quick taxi ride, a shared car for an hour, a van for the day, or a scooter for the last mile, everything is available in one place. How the app works 1. Sign up once Create your account in minutes. Add your payment method and complete verification securely in the app. 2. Explore all mobility options on the map Open the app to see nearby cars, vans, taxis, scooters, and e-bikes. Compare availability, travel time, and price—then choose what fits your trip. 3. Switch easily between services Book a taxi for an instant ride, unlock a scooter for a short trip, or reserve a car or van for longer use. You can switch between services anytime, without changing apps. 4. Book or start instantly Request a taxi, reserve a vehicle, or unlock a scooter or e-bike directly from your phone. No keys, no paperwork, no waiting. 5. Travel your way Enjoy flexible mobility for every situation—from daily commutes and city trips to business travel and moving larger items. 6. End the trip and pay automatically Finish your ride or rental in the app. Payments, receipts, and trip history are handled automatically. Everything in one place • Ride-hailing and taxi booking • Car & van sharing and rental • Scooters and e-bikes • One account, one payment method • Transparent pricing • Easy switching between transport options Move smarter, faster, and more flexibly—without owning a vehicle or juggling multiple apps. Your mobility, on demand. Where buses and trains end, we begin!

Screenshots

BOOK4 screens
Zelf mobility4 screens

Verdict

The call

The clearest difference is rating: Zelf mobility at 5.0 against BOOK's 4.0. On price, ratings volume, update cadence and ads 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

Zelf mobility holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

BOOK ships an update every 11 days, Zelf mobility every 2 weeks. Both last shipped on October 24, 2026.

Scorecard1 real difference · 9 level
BOOK versus Zelf mobility: the parameters behind the verdict, then further details
ParameterBOOKZelf mobility
PriceFreeFree
Rating4.0 (2 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings2 — better1
Update frequencyEvery 11 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.615.6
Further details — not scored
Size107 MB107 MB
Age rating4+4+
DeveloperSIA ATOM TechZelfi Ltd

Customer experience

BOOK

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Zelf mobility

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

BOOK

No in-app purchases

None

Zelf mobility

No in-app purchases

Questions

Is BOOK free?
BOOK is free to download, with no in-app purchases.
Is Zelf mobility free?
Zelf mobility is free to download, with no in-app purchases.
Which has better reviews, BOOK or Zelf mobility?
Zelf mobility is rated higher. BOOK averages 4.0 out of 5 from 2 ratings, while Zelf mobility averages 5.0 from 1 ratings.
Do BOOK or Zelf mobility have ads?
Neither BOOK nor Zelf mobility shows ads.
Which is updated more often, BOOK or Zelf mobility?
BOOK ships an update every 11 days, and Zelf mobility every 2 weeks. Most recently, BOOK was updated on October 24, 2026 and Zelf mobility on October 24, 2026.

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