# FSJ vs NumberBox

The clearest difference is review sentiment: NumberBox at 61% against FSJ's 0%. NumberBox also leads on update cadence (every 2 months vs every 22 months) and rating (4.5 vs 4.1). FSJ's advantage is iOS requirement (12.4 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

NumberBox holds the better App Store score, 4.5 against 4.1. That said, the two scores are not equally well evidenced: NumberBox has 563 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 0% of FSJ's written reviews are positive against 61% of NumberBox's.

FSJ ships an update every 22 months, NumberBox every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | FSJ | NumberBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (17 ratings)](https://appshunter.io/ios/app/fsj-group/id1606879472/reviews) | **[4.5 (563 ratings)](https://appshunter.io/ios/app/numberboxcallerid/id6560113660/reviews)** |
| Number of ratings | 17 | **563** |
| Positive reviews | 0.0% of reviews | **61.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 70 MB | 27 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mahdiyeh Khodaparastan](https://appshunter.io/developer/1606879474) | [Marvan Salemi](https://appshunter.io/developer/1758495643) |

## What reviewers say

### FSJ

[App page](https://appshunter.io/ios/app/fsj-group/id1606879472)

This app provides real-time tracking and maintenance services through a user-friendly mobile interface. It helps users manage and monitor their assets efficiently.

**Highlights:** Real-time tracking, Maintenance management, User-friendly interface, Mobile access

**Features:** macOS Compatibility

**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 FSJ free?

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

### Is NumberBox free?

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

### Which has better reviews, FSJ or NumberBox?

NumberBox is rated higher. FSJ averages 4.1 out of 5 from 17 ratings, while NumberBox averages 4.5 from 563 ratings.

### Do FSJ or NumberBox have ads?

Neither FSJ nor NumberBox shows ads.

### Which is updated more often, FSJ or NumberBox?

FSJ ships an update every 22 months, and NumberBox every 2 months. Most recently, FSJ was updated on October 24, 2026 and NumberBox 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.*