# GSM Control vs NumberBox

The clearest difference is update cadence: NumberBox at every 2 months against GSM Control's every 17 months. GSM Control's advantage is iOS requirement (7.0 vs 15.0). 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.

GSM Control ships an update every 17 months, NumberBox every 2 months. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | GSM Control | NumberBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (559 ratings)](https://appshunter.io/ios/app/numberboxcallerid/id6560113660/reviews)** |
| Number of ratings | — | **559** |
| Positive reviews | — | 61.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 85 MB | 27 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chuango Security Technology Corporation](https://appshunter.io/developer/534068551) | [Marvan Salemi](https://appshunter.io/developer/1758495643) |

## What reviewers say

### GSM Control

[App page](https://appshunter.io/ios/app/gsm-control/id1059116591)

**In-app purchases:** none


### 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 GSM Control free?

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

### Is NumberBox free?

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

### Do GSM Control or NumberBox have ads?

Neither GSM Control nor NumberBox shows ads.

### Which is updated more often, GSM Control or NumberBox?

GSM Control ships an update every 17 months, and NumberBox every 2 months. Most recently, GSM Control was updated on October 14, 2026 and NumberBox on October 20, 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.*