Kaha vs BOOK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kaha
Easily find and rent electric scooters for convenient urban travel. Use it for daily commutes, exploring new cities, or casual rides with friends. Simply download, create an account, scan, and ride.
- Electric scooter rental
- Pick up and drop off anywhere
- Work commute solution
- City touring
- Social rides with friends
- Easy account creation
- Scan to unlock
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Kaha gives you access to shared electric Scooter can be picked up and dropped off anywhere. Use Kaha for your work commute, to tour the city while on vacation, or when cruising the town with friends. How it works: * Download the Kaha App * Create your Account * Find and scan a Kaha * Ride safely to your destination * End your ride and go
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.
Screenshots
Verdict
The clearest difference is review sentiment: BOOK at 100% against Kaha's 0%. BOOK also leads on rating (4.0 vs 3.0) and update cadence (every 11 days vs every 7 months). On price, ratings volume, ads and in-app purchases 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.
BOOK holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 0% of Kaha's written reviews are positive against 100% of BOOK's.
Kaha ships an update every 7 months, BOOK every 11 days. Both last shipped on October 30, 2026.
| Parameter | Kaha | BOOK |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 4.0 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 2 |
| Update frequency | Every 7 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.4 — better | 15.6 |
| Further details — not scored | ||
| Size | 57 MB | 107 MB |
| Age rating | 4+ | 4+ |
| Developer | Magnushub Ltd | SIA ATOM Tech |
Customer experience
Kaha
BOOK
In-app purchases
Kaha
No in-app purchases
BOOK
No in-app purchases
