# CSiMaterials vs NumberBox

The clearest difference is rating: NumberBox at 4.5 against CSiMaterials's 4.0. NumberBox also leads on ratings volume (547 vs 1) and chart position (#134 vs unranked). CSiMaterials's advantage is iOS requirement (9.0 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 4.0. That said, the two scores are not equally well evidenced: NumberBox has 547 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | CSiMaterials | NumberBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/csimaterials/id1195522796/reviews) | **[4.5 (547 ratings)](https://appshunter.io/ios/app/numberboxcallerid/id6560113660/reviews)** |
| Number of ratings | 1 | **547** |
| Positive reviews | — | 61.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | Free | Free |
| Best chart rank | — | **#134** |
| Size | 16 MB | 27 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Computers and Structures, Inc.](https://appshunter.io/developer/1119970032) | [Marvan Salemi](https://appshunter.io/developer/1758495643) |

## What reviewers say

### CSiMaterials

[App page](https://appshunter.io/ios/app/csimaterials/id1195522796)

Access a comprehensive library of construction materials for structural design. Search and sort materials by various properties like strength and strain to find optimal options for your projects.

**Highlights:** Comprehensive material library, Search and sort by material properties, View material properties, Includes tendons, cold formed steel, and aluminum, Filter by strength and strain

**In-app purchases:** none


### NumberBox

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

**Currently charting:** #134 Top Free · Utilities (US App Store)

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 CSiMaterials free?

CSiMaterials 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, CSiMaterials or NumberBox?

NumberBox is rated higher. CSiMaterials averages 4.0 out of 5 from 1 ratings, while NumberBox averages 4.5 from 547 ratings.

### Do CSiMaterials or NumberBox have ads?

Neither CSiMaterials 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.*