Check vs AvaiBook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Check
This app streamlines the legal registration of guests for tourist accommodations. It securely scans guest IDs, captures digital signatures, and automatically submits data to authorities, ensuring legal compliance and data protection for hotels, hostels, and rentals.
- Scan guest ID cards and passports
- Capture digital signatures
- Automated data submission to authorities
- Secure and encrypted systems
- Web-based management panel
- Multi-property management
Read full descriptionHide full description
A professional app for holiday accommodation managers and hoteliers. Not intended for guests or travellers. Check-in Scan is a management and regulatory compliance tool for professional property owners, holiday accommodation managers and hotels that need to register guests and report their details to the authorities securely and in accordance with current regulations. Check-in software for professional use only, designed for: Holiday home managers Property managers Hotels, guesthouses and campsites Guests must not download or use this app. Simplified legal compliance that enables the holiday accommodation manager to: Collect the mandatory traveller details set out in Annex 1 of Royal Decree 933/2021, in compliance with the European GDPR. Obtain the guest’s signature on the check-in form. Submit the registration to the authorities (SES Hospedajes, Mossos d’Esquadra, Ertzaintza) within 24 hours. Automatically calculate and collect the tourist taxes applicable to the country or region. Share instructions, maps, videos and points of interest to enhance the guest’s experience from the very start. Generate personalised contracts, request digital signatures and access them as PDFs from a single dashboard. Centralise all bookings and check-ins in a visual calendar synchronised with PMS, iCal or API. Fast and secure management: Automate your check-ins from your mobile or tablet 2048-bit SSL data encryption on secure servers. Centrally manage your guests’ check-ins via an optimised and intuitive control panel. Terms and conditions: https://www.checkinscan.com/en/terms-and-conditions/ Privacy policy: https://www.checkinscan.com/en/privacy-policy/
AvaiBook
Streamline vacation rental management with this app. It allows property managers to handle listings, bookings, and guest communication from a single platform. Features include traveler registration, invoice generation, direct booking promotion, and calendar synchronization to prevent overbooking.
- Manage listings, bookings, and guests
- Traveler registration and document scanning
- Invoice generation on the go
- Direct booking and payment links
- Calendar synchronization to prevent overbooking
- Channel manager for multiple listing sites
Read full descriptionHide full description
App for short term rental property managers: Either if you manage your own or third-party listings, AvaiBook by idealista is essential for coordinating your work. Manage your listings, bookings and guests all from one application. With the AvaiBook by idealista app, handling short term rentals is easier than ever. Receive push notifications whenever there's a change in the system and oversee your business no matter where you are. Communicating with your guests, working on your bookings and calendar or synchronizing your team are just a few functions you can perform with the idealista channel manager app. What can you do with the AvaiBook app? - Register travelers directly from the app and easily scan their documents. - Speed up processes like issuing invoices without the need to be near a desktop computer. - Share links to encourage direct bookings or facilitate payments for your travelers. - Edit and update information on the go. - Check the status of your bookings on a unique calendar synchronized with the connected portals and say goodbye to overbooking. - Manage the distribution channels of your listings: Booking.com, Airbnb, Vrbo, Expedia, Google, etc., as well as reservations from AvaiBook's booking engine. If working with the channel manager, PMS, and booking engine of AvaiBook by idealista was already great for your business, multiply the benefits of working with the idealista all-in-one platform from your mobile. Take control of short term rentals right from the palm of your hand!
Screenshots
Verdict
The clearest difference is review sentiment: Check at 89% against AvaiBook's 0%. AvaiBook's advantage is in-app purchases (none vs 10). On price, update cadence, ads and device support 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. Check sells 10 in-app purchases, starting at $11.95 per month. AvaiBook asks for nothing beyond the download.
Check ships an update every 3 weeks, AvaiBook every 5 weeks. The most recent releases landed on August 27, 2026 and September 19, 2026 respectively.
| Parameter | Check | AvaiBook |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (6 ratings) — better | — |
| Positive reviews | 88.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 6 — better | — |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 122 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Check in Scan S.L. | AvaiBook Online S.L.U. |
Customer experience
Check
AvaiBook
In-app purchases
Check
- Plus monthly - 1 vacation home$11.951 Month
- Ultimate monthly - 1 vacation home$17.951 Month
- Plus monthly - 2 vacation homes$22.951 Month
Show 7 moreShow fewer
- Plus monthly - 3 vacation homes$34.901 Month
- Ultimate monthly - 2 vacation homes$34.951 Month
- Plus monthly - 4 vacation homes$44.901 Month
- Ultimate monthly - 3 vacation homes$49.901 Month
- Plus monthly - 5 vacation homes$59.901 Month
- Ultimate monthly - 4 vacation homes$69.901 Month
- Ultimate monthly - 5 vacation homes$89.901 Month
AvaiBook
No in-app purchases








