ShamsiCal vs NumberBox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ShamsiCal
Easily view and manage the Persian calendar with accurate date conversions and official holidays. Get instant access to daily and monthly views through home and lock screen widgets. Enjoy a clean, native iOS design with full dark mode support.
- Accurate Persian calendar engine
- Gregorian to Persian date conversion
- Official holiday tracking
- Home Screen widgets
- Lock Screen widgets
- Dark Mode support
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ShamsiCal keeps the Persian calendar within reach, from your Home Screen to your wrist. See today’s Persian date at a glance, browse the full month, and convert between Persian and Gregorian dates. Keep track of occasions and calendar events with widgets that fit naturally into your day. Key Features: - Persian calendar with official holidays and easy month navigation - Calendar events alongside Persian occasions - Built-in Persian and Gregorian date converter - Home Screen and Lock Screen widgets, including larger month and agenda layouts - Siri and Shortcuts actions for quick access to calendar features - Keyboard shortcuts on iPad for common actions - Native design with Liquid Glass on supported versions - Dark Mode support On Apple Watch: - Today’s date with a background inspired by the current season - Digital Crown scrolling from today’s details to the full month - Easy navigation between months - Widgets with seasonal backgrounds and complications for quick date checks Your Persian calendar, always within reach.
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
ShamsiCal and NumberBox both sit at 4.4 stars, but that hides the real split: 85% of ShamsiCal's written reviews are positive against 64% of NumberBox's. ShamsiCal also leads on device support (5 vs 3). NumberBox's advantage is ratings volume (565 vs 176) and iOS requirement (15.0 vs 17.0). On price, rating, update cadence and ads 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.
On the App Store both sit at effectively the same score — 4.4 for ShamsiCal against 4.5 for NumberBox. Both are backed by a comparable volume of ratings — 176 and 565 respectively. Written reviews are what separate them: 85% of ShamsiCal's written reviews are positive against 64% of NumberBox's.
ShamsiCal ships an update every 5 weeks, NumberBox every 2 months. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.
| Parameter | ShamsiCal | NumberBox |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (176 ratings) | 4.5 (565 ratings) — better |
| Positive reviews | 84.8% of reviews — better | 63.6% of reviews |
| Number of ratings | 176 | 565 — better |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Mac, Apple Watch, Vision Pro — better | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Alireza Khoddam | Marvan Salemi |
Customer experience
ShamsiCal
NumberBox
User reviews
ShamsiCal
From 176 App Store ratingsWhat we love
- 👍 Simple and minimalist design
- ⚡ Lightweight and fast performance
- 🎨 Beautiful and clean UI
- 📱 Excellent widget functionality
- 🔄 Regular updates and quick fixes
Room to improve
- ❌ Lacks full calendar month view
- ❌ Cannot navigate between months/years
- ❌ No event or holiday highlighting
- ❌ Limited customization options
- ❌ English widget option removed in recent update
NumberBox
From 565 App Store ratingsWhat we love
- 🎯 Effective at identifying unknown numbers
- ⚡ Fast and practical performance
- 📱 User-friendly interface
- 💪 Comprehensive caller ID database
- 👍 Reliable identification results
Room to improve
- 🔒 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
Bugs and requests
ShamsiCal
Reported bugs
8 issues- Islamic calendar displays dates one day ahead
- Widget doesn't appear on iPhone homescreen for some users
- App doesn't update date on homescreen without opening app
- Widget sizing issues in notification center
- Installation fails on some devices
Show 3 moreShow fewer
- Widget not visible in notification center
- Scrolling/jumping issues on iPhone 6
- Settings cannot be changed on some devices
Requested features
16 requests- Add Iranian holidays and events display
- Add Afghan/Dari language support for month names
- Implement full calendar month view with all days
- Add Apple Watch app and watch face complications
- Allow navigation between months and years
Show 11 moreShow fewer
- Highlight holidays in red color
- Add Persian digital clock widget
- Implement widget color customization
- Add font customization options
- Support for Farsi digital fonts (e.g., B Nazanin)
- Restore English language widget option
- Add live widget that updates without opening app
- Include more widget design variations
- Add feedback/contact section in app
- Fix Islamic calendar date accuracy
- Add Afghan cultural events and occasions
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
ShamsiCal
No in-app purchases
NumberBox
No in-app purchases
