eRoomManager vs Appointment Booking System
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
eRoomManager
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Resource Booking System is designed for all-size of organizations to ensure meeting rooms or facilities are fairly booked amount users and achieve best utilization. The system stands out by user-friendly interface, check-in / check-out and policies enforcement functions to avoid abuse of use as well as reporting for utilization analysis or security audit.eRoom Manager is a mobile app of the System to support end users schedule meeting, book resources on the road. Features: - Calendar for manage meetings schedule and invitation - Check rooms / resources availability - Book and cancel room / resource - Room / Resource Check-in / Check-out
Appointment Booking System
Quickly create a customer booking website in minutes. Customers can view available slots and book appointments online. Receive instant notifications for new bookings.
- Quick setup
- Customer booking website
- Real-time notifications
- Unlimited bookings (subscription)
- Free tier available
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Using this app you can quickly set up a booking system to accept bookings from your customers by answering a few questions. It takes only a few minutes. Afterward, you will have a link to a website that you can send to your customers. On that website they can see where you have free appointment slots and can book them. When one of your customers books an appointment, you will immediately receive a notification, and you can optionally also receive an email. You can use this app for free for booking up to 20 hours per month. If you would like to have an unlimited number of bookings each month, you can subscribe: Monthly subscription: With this subscription you can use the app for an unlimited number of bookings each month. $1.99 for each of the first 2 months, then $9.99/month. The subscription will automatically renew until you cancel it. You can manage your subscriptions in the App Store app. You can find the Terms of Use here: https://www.calengoo.com/bookingsystem/impressum.html
Screenshots
Verdict
The clearest difference is in-app purchases: eRoomManager at none against Appointment Booking System's 2. eRoomManager also leads on update cadence (fortnightly vs monthly). Appointment Booking System's advantage is device support (3 vs 1). On price, ads and iOS requirement 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. Appointment Booking System sells 2 in-app purchases, starting at $9.99 per month. eRoomManager asks for nothing beyond the download.
eRoomManager ships an update fortnightly, Appointment Booking System monthly. The most recent releases landed on October 4, 2026 and October 27, 2026 respectively.
| Parameter | eRoomManager | Appointment Booking System |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (22 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 22 — better |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 11.4 — better | 12.0 |
| Further details — not scored | ||
| Size | 19 MB | 71 MB |
| Age rating | 4+ | 4+ |
| Developer | Trusted Systems Limited | Dominique Andr Gunia |
In-app purchases
eRoomManager
No in-app purchases
Appointment Booking System
- Monthly subscription1 Month trial$9.991 Month
- Yearly subscription2 Months trial$99.991 Year
Questions
Is eRoomManager free?
Is Appointment Booking System free?
Do eRoomManager or Appointment Booking System have ads?
Which is updated more often, eRoomManager or Appointment Booking System?
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