B vs NumberBox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
B
This app offers advanced calculation capabilities, including basic, scientific, and complex math functions. It features a history log to review, reuse, or share past calculations, all within a secure and user-friendly interface. Users can also customize themes and layouts.
- Advanced calculations (basic, scientific, complex)
- Calculation history log
- Privacy and security focused
- User-friendly interface
- Customizable themes and layouts
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Are you looking for a powerful and intuitive calculator app that not only performs complex calculations but also keeps a record of your math journey? Look no further! B-Calculator is here to make your life easier. Key Features: Advanced Calculations: Perform basic arithmetic, scientific, and even complex mathematical calculations with ease. Whether you need to solve equations, calculate percentages, or work with trigonometric functions, B-Calculator has got you covered. Calculation History: Never lose track of your calculations again. Our app keeps a detailed history of all your calculations, allowing you to review, reuse, or share them whenever you need. Privacy and Security: We understand the importance of your data. B-Calculator ensures your calculation history is securely stored on your device, protecting your privacy. User-Friendly Interface: Our app boasts a clean and user-friendly design, making it easy for users of all levels to navigate and perform calculations effortlessly. Customization: Personalize your calculator with different themes and layouts to suit your preferences. B-Calculator is your ultimate math assistant, whether you're a student, professional, or just someone who needs quick math solutions. Download it today and experience the convenience of a powerful calculator with a built-in history feature! Don't forget to rate and review our app on the store. Your feedback helps us improve and enhance your math experience.
NumberBox
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.
- 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
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NumberBox is a simple and secure tool that allows users to voluntarily report unwanted or spam phone numbers to help keep the community safe. Users can manually add tags to phone numbers — for example, “Scammer,” “Telemarketing,” or “Spam.” All tags are submitted voluntarily by users to help others recognize potentially unwanted calls. Privacy & Data Policy NumberBox does not collect, store, or share any personal data. The app does not access contacts, call history, messages, or any other private information. All user-submitted tags are stored anonymously and are not linked to personal identities. Contact & Support If you have any questions, or wish to modify or remove user-submitted data, please contact us through the in-app support section or via our official support email.
Screenshots
Verdict
The clearest difference is rating: B at 5.0 against NumberBox's 4.5. NumberBox's advantage is ratings volume (465 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
B holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: NumberBox has 465 ratings behind it against 2, so its average is the more settled of the two.
B ships an update every 3 weeks, NumberBox monthly. The most recent releases landed on June 4, 2026 and September 22, 2026 respectively.
| Parameter | B | NumberBox |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.5 (465 ratings) |
| Positive reviews | — | 59.5% of reviews |
| Number of ratings | 2 | 465 — better |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 44 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Bahare Salehnia | Marvan Salemi |
Customer experience
B
NumberBox
Bugs and requests
B
Not enough reviews yet to summarise bugs or requests.
NumberBox
Reported bugs
5 issues- 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
5 requests- Offline functionality
- Location information display
- Anonymous call profile display
- Expanded database for specific regions (Yemen)
- Expanded number database
In-app purchases
B
No in-app purchases
NumberBox
No in-app purchases









