# BUSiNET vs Contacts Address Book

The clearest difference is in-app purchases: BUSiNET at none against Contacts Address Book's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Contacts Address Book sells 3 in-app purchases, starting at $3.99 per month. BUSiNET asks for nothing beyond the download.

BUSiNET ships an update every 2 months, Contacts Address Book every 4 weeks. The most recent releases landed on October 17, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | BUSiNET | Contacts Address Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (53 ratings)](https://appshunter.io/ios/app/contacts-address-book-amicu/id1481868897/reviews)** |
| Number of ratings | — | **53** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | — | Freemium |
| Size | 2 MB | 29 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Datisca AG](https://appshunter.io/developer/994102113) | [Kai Oelfke](https://appshunter.io/developer/644779478) |

## What reviewers say

### BUSiNET

[App page](https://appshunter.io/ios/app/businet/id994102114)

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

**In-app purchases:** none


### Contacts Address Book

[App page](https://appshunter.io/ios/app/contacts-address-book-amicu/id1481868897)

This app helps you nurture your personal relationships by reminding you to stay in touch and celebrate important birthdays. It offers a private and offline experience, allowing you to manage contacts and set custom reminders to keep your social circle strong.

**Highlights:** Birthday reminders, Keep-in-touch reminders, Contact management, Offline functionality, Customizable notifications, Widgets

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | per month |
| Premium | $29.99 | per year |
| Premium | $29.99 | per year |


## Frequently asked questions

### Is BUSiNET free?

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

### Is Contacts Address Book free?

Contacts Address Book is free to download, with in-app purchases available.

### Do BUSiNET or Contacts Address Book have ads?

Neither BUSiNET nor Contacts Address Book shows ads.

### Which is updated more often, BUSiNET or Contacts Address Book?

BUSiNET ships an update every 2 months, and Contacts Address Book every 4 weeks. Most recently, BUSiNET was updated on October 17, 2026 and Contacts Address Book on October 29, 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.*