Narwal vs Corterra Book
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Narwal
Remotely control and monitor your cleaning robot from anywhere. Customize cleaning modes, schedules, and spot cleaning for a spotless home. Receive detailed cleaning reports and manage room layouts with no-go zones.
- Remote control and monitoring
- Multiple cleaning modes
- Customized cleaning plans
- Spot cleaning functionality
- Map management with no-go zones
- Customized cleaning reports
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The Narwal app allows you to control the Narwal robots remotely, view its working status anytime you want, from anywhere you are. Using this app, you can unlock the more advanced functions of Narwal! [Multiple Cleaning Modes] Narwal is equipped with 5 cleaning modes, including Freo Mode, Vacuum and Mop, Vacuum then Mop, so that you can choose the one that suits your floor the best. [Customized Cleaning Plans] Long story short, you can customize in any way you want! You get to decide the cleaning sequence, frequency, even the mopping pressure and moisture of the robot via this app, so that you can get the most flawless floor in just one click! [Spot Cleaning] Only one specific area is dirty? You can select that one place on the app, and Freo will head out to clean! [Map Management] Merge and divide rooms as you want! You can even set no-go zones to make sure Freo doesn't intrude! [Customized Cleaning Reports] At the end of each cleaning plan, you can see how Freo made your floor spotless through a customized and engaging short video!
Corterra Book
Easily schedule, confirm, and manage appointments directly from your phone. Browse live availability, book in seconds without calls or emails, and keep all your visits organized in one place. Enjoy a calm and efficient booking experience with enhanced privacy and security.
- Browse live appointment availability
- Book appointments in seconds
- Manage upcoming and past appointments
- Instant booking confirmation
- Secure login with Face ID
- Profile and contact detail management
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Booking shouldn't require a phone call. Corterra Book is the appointment app for the spa, salon, studio, or clinic you already visit. See live availability, book in a few taps, and keep every appointment in one place. WHAT YOU CAN DO • Browse real-time openings and pick the time that works for you • Choose your service and your provider before you book • Book in seconds — no phone calls, no email back-and-forth • Get instant confirmation for every booking • See upcoming and past appointments at a glance • Cancel an appointment from your bookings list • Apply a promo code when you book • Check your membership status and package balances • Complete and sign intake forms right in the app • Update your profile and contact details anytime HOW IT WORKS 1. Pick the service you want 2. Choose a provider and an open time 3. Confirm — your appointment is booked PRIVACY YOU CAN TRUST Your account is protected by industry-standard encryption. We never sell your personal information or share it with anyone outside the business you are booking with. You can delete your account and your data at any time from the Account tab. SUPPORT Need help? Visit corterrabook.com/support or email support@corterrabook.com. By using this app, you agree to our Terms of Service (corterrabook.com/legal/tos) and Privacy Policy (corterrabook.com/legal/privacy).
Screenshots
Verdict
The clearest difference is rating: Corterra Book at 5.0 against Narwal's 3.7. Narwal's advantage is ratings volume (617 vs 1). On price, update cadence, 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.
Corterra Book holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Narwal has 617 ratings behind it against 1, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.
| Parameter | Narwal | Corterra Book |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (617 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 41.3% of reviews | — |
| Number of ratings | 617 — better | 1 |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 15.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 322 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Yunjing Intelligence Innovation (Shenzhen) Co., Ltd. | Stem Creations |
Customer experience
Narwal
Corterra Book
Bugs and requests
Narwal
Reported bugs
6 issues- App crashes and freezes
- Connectivity issues between app and robot
- Mapping errors and inability to edit maps
- Unreliable scheduling and cleaning tasks
- Unexpected robot behavior and getting stuck
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- Compatibility issues with newer iOS versions
Requested features
7 requests- Ability to split rooms and create custom zones
- Improved mapping and room editing features
- More scheduling options (e.g., every 2 weeks, monthly)
- Integration with voice assistants
- Ability to order replacement parts directly from the app
Show 2 moreShow fewer
- Improved notification system and status updates
- Easier access to maintenance information and reminders
Corterra Book
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Narwal
No in-app purchases
Corterra Book
No in-app purchases
