# Contact Cleaner vs Haab Project

The clearest difference is rating: Haab Project at 5.0 against Contact Cleaner's 1.0. Haab Project also leads on in-app purchases (none vs 3) and ads (none vs shown). Contact Cleaner's advantage is ratings volume (3 vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Contact Cleaner sells 3 in-app purchases, starting at $0.99 per month. Haab Project asks for nothing beyond the download.

Haab Project holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Contact Cleaner ships an update every 15 months, Haab Project every 4 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Contact Cleaner | Haab Project |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (3 ratings)](https://appshunter.io/ios/app/contact-cleaner/id969081584/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/haab-project/id1577384011/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 15 months | **Every 4 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 37 MB | 167 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thanh Lam](https://appshunter.io/developer/965522468) | [Nest Center SAPI de CV](https://appshunter.io/developer/1577384013) |

## What reviewers say

### Contact Cleaner

[App page](https://appshunter.io/ios/app/contact-cleaner/id969081584)

Organize your address book by merging duplicate entries, deleting unwanted contacts, and filtering your list. Easily find contacts based on job, birthday, or missing information. Keep your contacts clean and clear.

**Highlights:** Merge duplicate contacts, Delete unnecessary contacts, Filter contacts by job/birthday, Backup contacts, Filter by missing phone/email

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contact Cleaner Pro - 1 Month | $0.99 | per month |
| Contact Cleaner Pro - 1 Year | $6.99 | per year |
| Remove Advertisment | $0.99 | one-time |


### Haab Project

[App page](https://appshunter.io/ios/app/haab-project/id1577384011)

This app allows users to book meeting and local rooms, connect with a community, and stay updated on the latest programming. It offers a centralized platform for various organizational and communication needs.

**Highlights:** Book meeting rooms, Book local rooms, Community connection, Latest programming updates, Centralized platform

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Contact Cleaner free?

Contact Cleaner is free to download, with in-app purchases available.

### Is Haab Project free?

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

### Which has better reviews, Contact Cleaner or Haab Project?

Haab Project is rated higher. Contact Cleaner averages 1.0 out of 5 from 3 ratings, while Haab Project averages 5.0 from 1 ratings.

### Do Contact Cleaner or Haab Project have ads?

Contact Cleaner shows ads; Haab Project does not.

### Which is updated more often, Contact Cleaner or Haab Project?

Contact Cleaner ships an update every 15 months, and Haab Project every 4 months. Most recently, Contact Cleaner was updated on October 24, 2026 and Haab Project on October 24, 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.*