# CPI pro vs NumberBox

The clearest difference is review sentiment: NumberBox at 61% against CPI pro's 0%. NumberBox also leads on rating (4.5 vs 1.0) and ratings volume (559 vs 1). CPI pro's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (8.0 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 1.0. That said, the two scores are not equally well evidenced: NumberBox has 559 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of CPI pro's written reviews are positive against 61% of NumberBox's.

CPI pro ships an update every 3 weeks, NumberBox every 2 months. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | CPI pro | NumberBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/cpi-pro/id1214833658/reviews) | **[4.5 (559 ratings)](https://appshunter.io/ios/app/numberboxcallerid/id6560113660/reviews)** |
| Number of ratings | 1 | **559** |
| Positive reviews | 0.0% of reviews | **61.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 135 MB | 27 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [SHENZHEN MILESEEY TECHNOLOGY CO.LTD](https://appshunter.io/developer/1563678294) | [Marvan Salemi](https://appshunter.io/developer/1758495643) |

## What reviewers say

### CPI pro

[App page](https://appshunter.io/ios/app/cpi-pro/id1214833658)

This utility app allows users to measure distances and sketch floor plans. It can mark dimensions on photos, record data in spreadsheets, and export drawings as photos or PDFs for easy sharing.

**Highlights:** Distance measurement, Floor plan sketching, Marking distances on photos, Data recording in Excel, Export as photo and PDF, Sharing functionality

**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 CPI pro free?

CPI pro 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, CPI pro or NumberBox?

NumberBox is rated higher. CPI pro averages 1.0 out of 5 from 1 ratings, while NumberBox averages 4.5 from 559 ratings.

### Do CPI pro or NumberBox have ads?

Neither CPI pro nor NumberBox shows ads.

### Which is updated more often, CPI pro or NumberBox?

CPI pro ships an update every 3 weeks, and NumberBox every 2 months. Most recently, CPI pro was updated on October 23, 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.*