# Kruug vs FullBook

The clearest difference is update cadence: Kruug at every 2 days against FullBook's every 5 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Kruug ships an update every 2 days, FullBook every 5 days. The most recent releases landed on September 25, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | Kruug | FullBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fullbook/id6767845744/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | — | Free |
| Size | 81 MB | 38 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Haris Sejtanic](https://appshunter.io/developer/1890540838) | [Ivan Gluvacevic](https://appshunter.io/developer/1485217415) |

## What reviewers say

### Kruug

[App page](https://appshunter.io/ios/app/kruug/id6761630426)

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

**In-app purchases:** none


### FullBook

[App page](https://appshunter.io/ios/app/fullbook/id6767845744)

This digital receptionist automates appointment scheduling for service-based businesses, eliminating double bookings and administrative stress. Clients can book services online in seconds, while business owners maintain full control over their calendars and team schedules. It sends instant notifications and automated reminders to reduce no-shows.

**Highlights:** Smart calendar management, Error-free scheduling, 3-step client booking, Team management, Instant notifications, Automated reminders, Flexible working hours

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

**In-app purchases:** none


## Frequently asked questions

### Is Kruug free?

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

### Is FullBook free?

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

### Do Kruug or FullBook have ads?

Neither Kruug nor FullBook shows ads.

### Which is updated more often, Kruug or FullBook?

Kruug ships an update every 2 days, and FullBook every 5 days. Most recently, Kruug was updated on September 25, 2026 and FullBook on August 23, 2026.

---

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