# Contact Tools vs NumberBox

The clearest difference is review sentiment: NumberBox at 61% against Contact Tools's 0%. NumberBox also leads on rating (4.5 vs 1.0) and in-app purchases (none vs 1). Contact Tools's advantage is iOS requirement (9.0 vs 15.0). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Contact Tools sells 1 one-off in-app purchase. NumberBox asks for nothing beyond the download.

NumberBox holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: NumberBox has 566 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Contact Tools's written reviews are positive against 61% of NumberBox's.

## The numbers

| Metric | Contact Tools | NumberBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (3 ratings)](https://appshunter.io/ios/app/contact-tools-delete-duplicate-contacts-plus-backup/id1250029109/reviews) | **[4.5 (566 ratings)](https://appshunter.io/ios/app/numberboxcallerid/id6560113660/reviews)** |
| Number of ratings | 3 | **566** |
| Positive reviews | 0.0% of reviews | **61.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | Free | Free |
| Size | 9 MB | 27 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SVG Apps](https://appshunter.io/developer/1154426191) | [Marvan Salemi](https://appshunter.io/developer/1758495643) |

## What reviewers say

### Contact Tools

[App page](https://appshunter.io/ios/app/contact-tools-delete-duplicate-contacts-plus-backup/id1250029109)

Easily organize your address book by finding and removing duplicate contacts. Identify contacts with missing information and delete multiple entries at once. Back up your contacts to a VCF file for easy restoration.

**Highlights:** Delete/Merge duplicate contacts, Remove duplicates by name, email, phone, Identify contacts with incomplete info, Delete multiple contacts, Backup contacts to VCF, Restore VCF from email, Erase address book

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $2.99 | one-time |


### NumberBox

[App page](https://appshunter.io/ios/app/numberboxcallerid/id6560113660)

This app helps you identify unwanted calls by allowing users to report and tag spam or telemarketing numbers. All submissions are anonymous and help build a community-driven database to protect users from potential scams.

**Highlights:** Voluntarily report unwanted numbers, Manually add tags to phone numbers, Identify spam and telemarketing calls, Anonymous tag submissions, Privacy-focused data policy, In-app support

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

**In-app purchases:** none

**What reviewers like**

- 🎯 Effective at identifying unknown numbers
- ⚡ Fast and practical performance
- 📱 User-friendly interface
- 💪 Comprehensive caller ID database
- 👍 Reliable identification results

**What reviewers complain about**

- 🔒 Serious privacy violations and data sharing without consent
- 🚫 Non-functional after recent updates
- 📵 Doesn't work anymore for core functionality
- ❌ Poor customer support and unresponsive to requests
- ⚠️ Inaccurate identification - shows wrong names

**Reported bugs**

- App stopped working after latest update
- Unable to identify any numbers despite core function
- Update installation failures
- Incorrect name matching for phone numbers
- App displays personal information without user consent

**Requested features**

- Offline functionality
- Location information display
- Anonymous call profile display
- Expanded database for specific regions (Yemen)
- Expanded number database


## Frequently asked questions

### Is Contact Tools free?

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

### Is NumberBox free?

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

### Which has better reviews, Contact Tools or NumberBox?

NumberBox is rated higher. Contact Tools averages 1.0 out of 5 from 3 ratings, while NumberBox averages 4.5 from 566 ratings.

### Do Contact Tools or NumberBox have ads?

Neither Contact Tools nor NumberBox shows ads.

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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.*