BOOK vs Zelf mobility
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Local ride sharing
- Explore Erlangen
- Guest transportation
- Open to all users
- Convenient local travel
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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.
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.
- 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
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
BOOK ships an update every 11 days, Zelf mobility every 2 weeks. Both last shipped on October 24, 2026.
| Parameter | BOOK | Zelf mobility |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 11 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 107 MB | 107 MB |
| Age rating | 4+ | 4+ |
| Developer | SIA ATOM Tech | Zelfi Ltd |
Customer experience
BOOK
Zelf mobility
In-app purchases
BOOK
No in-app purchases
Zelf mobility
No in-app purchases








