# eRoomManager vs Appointment Booking System

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.

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.

## The numbers

| Metric | eRoomManager | Appointment Booking System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (22 ratings)](https://appshunter.io/ios/app/appointment-booking-system/id1511163266/reviews)** |
| Number of ratings | — | **22** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | — | Freemium |
| Size | 19 MB | 71 MB |
| Requires iOS | **11.4** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Trusted Systems Limited](https://appshunter.io/developer/1459972363) | [Dominique Andr Gunia](https://appshunter.io/developer/295407468) |

## What reviewers say

### eRoomManager

[App page](https://appshunter.io/ios/app/eroommanager/id1461460967)

**In-app purchases:** none


### Appointment Booking System

[App page](https://appshunter.io/ios/app/appointment-booking-system/id1511163266)

Quickly create a customer booking website in minutes. Customers can view available slots and book appointments online. Receive instant notifications for new bookings.

**Highlights:** Quick setup, Customer booking website, Real-time notifications, Unlimited bookings (subscription), Free tier available

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $9.99 | per month |
| Yearly subscription | $99.99 | per year |


## Frequently asked questions

### Is eRoomManager free?

eRoomManager is free to download, with no in-app purchases.

### Is Appointment Booking System free?

Appointment Booking System is free to download, with in-app purchases available.

### Do eRoomManager or Appointment Booking System have ads?

Neither eRoomManager nor Appointment Booking System shows ads.

### Which is updated more often, eRoomManager or Appointment Booking System?

eRoomManager ships an update fortnightly, and Appointment Booking System monthly. Most recently, eRoomManager was updated on October 4, 2026 and Appointment Booking System on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*