ShamsiCal vs Calvim
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.
Calvim
This app offers a fast, lightweight, and beautifully designed Shamsi calendar with full Persian and Gregorian date support. It features customizable event selection, comprehensive event management, and modern, user-friendly widgets. Stay organized with its intuitive interface and updated holiday display.
- Lightweight and fast performance
- Beautifully designed widgets
- Modern and user-friendly interface
- Full Persian and Gregorian date support
- Customizable event selection
- Comprehensive event management
- Light and dark mode support
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Calvim (formerly ShamsiPlus) is a free Persian calendar for iPhone, iPad and Apple Watch: Shamsi (Jalali) dates, Iranian holidays, tasks, notes, work shifts and widgets. No ads, no account, works offline. کالویم (شمسی پلاس سابق): تقویم شمسی ۱۴۰۵ با تعطیلات رسمی، کارها، یادداشتها، شیفت کاری و ویجت. رایگان و بدون تبلیغات. IRANIAN CALENDAR & HOLIDAYS • Official Iranian holidays, including the 1406 holidays. • 1,000+ occasions: national and religious days, Hijri (lunar) dates, world days and Persian celebrations like Nowruz, Mehregan and Yalda. Turn any category on or off. • Nowruz countdown with reminders. • Choose your first day of the week and your weekend days. TODAY ON ONE SCREEN • Home shows today's occasions, tasks and notes, your week and the year's progress. Move overdue tasks to today in one tap. TASKS, NOTES & REMINDERS • Tasks with dates, times and reminders, grouped into Overdue, Today and Upcoming. Pin important notes. • Personal events on Shamsi or Gregorian dates: all-day or timed, colors, repeats, multiple reminders and custom holidays. • One search for events, tasks and notes. WORK SHIFT CALENDAR • For nurses, doctors and anyone on shifts: set shift types and a repeating rotation, paint days on the month, see a monthly summary and get reminders for each shift. DATE CONVERTER • Shamsi to Gregorian and back, with the exact number of days from today. WIDGETS & APPLE WATCH • 7 Home Screen widgets, including Month and Week. Tick off tasks right from the widget. • 8 Lock Screen widgets in Persian or English: date, next holiday countdown, tasks left, next task and more. • Apple Watch app with complications and a Smart Stack widget. Events and shifts sync from iPhone. WORKS WITH YOUR APPS • Import .ics files from Google Calendar, Outlook and others, and review before saving. • Siri and Shortcuts: open a date or add an event, task or note. • Share any day with its holidays and events. DESIGN & PRIVACY • 10 accent colors, Light and Dark mode, iPhone and iPad layouts, VoiceOver and large text support. • Your events, tasks and notes stay on your device. Usage stats only if you opt in. Download Calvim free, the Persian calendar for your whole year. تقویم فارسی کالویم تقویم شمسی (جلالی) برای آیفون، آیپد و اپل واچ. رایگان، بدون تبلیغات، بدون حساب کاربری و بدون نیاز به اینترنت. تقویم و تعطیلات • تعطیلات رسمی ایران، همراه با تعطیلات ۱۴۰۶. • بیش از ۱۰۰۰ مناسبت: ملی و مذهبی، تاریخ قمری، روزهای جهانی و جشنهایی مثل نوروز، مهرگان و یلدا. هر دسته را روشن یا خاموش کنید. • شمارش معکوس نوروز با یادآور. • شروع هفته و روزهای تعطیل به انتخاب شما. امروز در یک نگاه • صفحه خانه: مناسبتها، کارها و یادداشتهای امروز، هفته شما و پیشرفت سال. کارهای عقبافتاده را با یک لمس به امروز بیاورید. کارها، یادداشتها و یادآور • کار با تاریخ، ساعت و یادآور؛ دستهبندی عقبافتاده، امروز و پیشرو. یادداشتهای مهم را سنجاق کنید. • رویداد شخصی شمسی یا میلادی: تمامروز یا ساعتدار، رنگ، تکرار، چند یادآور و تعطیلات شخصی. • جستجو در رویدادها، کارها و یادداشتها. تقویم شیفت کاری • برای پرستاران، پزشکان و همه شیفتکارها: نوع شیفت، چرخه کاری، رنگ کردن روزها، خلاصه ماهانه و یادآور هر شیفت. تبدیل تاریخ • شمسی به میلادی و برعکس، با فاصله دقیق تا امروز. ویجت و اپل واچ • ۷ ویجت صفحه اصلی، از جمله ماه و هفته، با تیک زدن کارها از روی ویجت. • ۸ ویجت صفحه قفل به فارسی یا انگلیسی: تاریخ امروز، روزهای مانده تا تعطیلی بعدی، کارهای باقیمانده و کار بعدی. • اپل واچ با کامپلیکیشن و ویجت Smart Stack؛ رویدادها و شیفتها از آیفون همگام میشوند. کنار بقیه برنامهها • وارد کردن فایل .ics از گوگل کلندر، اوتلوک و بقیه، با بررسی قبل از ذخیره. • Siri و Shortcuts و اشتراکگذاری هر روز. طراحی و حریم خصوصی • ۱۰ رنگ، حالت روشن و تیره، چیدمان آیپد و پشتیبانی از VoiceOver. • اطلاعات شما روی دستگاه خودتان میماند؛ آمار استفاده فقط با اجازه شما. کالویم را رایگان نصب کنید؛ تقویم فارسی شما برای ۱۴۰۵ و ۱۴۰۶.
Screenshots
Verdict
The clearest difference is rating: Calvim at 4.8 against ShamsiCal's 4.4. Calvim also leads on review sentiment (96% vs 85%) and iOS requirement (15.3 vs 17.0). On price, ratings volume, 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.
Calvim holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 176 and 491 respectively. Written reviews point the same way: 85% of ShamsiCal's written reviews are positive against 96% of Calvim's.
Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.
| Parameter | ShamsiCal | Calvim |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (176 ratings) | 4.8 (491 ratings) — better |
| Positive reviews | 84.8% of reviews | 96.1% of reviews — better |
| Number of ratings | 176 | 491 — better |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Mac, Apple Watch, Vision Pro — better | iPhone, iPad, iPod, Apple Watch |
| Requires iOS | 17.0 | 15.3 — better |
| Further details — not scored | ||
| Size | 15 MB | 84 MB |
| Age rating | 4+ | 4+ |
| Developer | Alireza Khoddam | Pouya Ahmad Heydari |
Customer experience
ShamsiCal
Calvim
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
Calvim
From 491 App Store ratingsWhat we love
- 👍 Simple and user-friendly
- 🌟 Awesome app
- 💯 Perfect app
- 🌟 Awesome update
Room to improve
- 🌙 Lack of lunar calendar support
- 🔍 Minimal features
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
Calvim
Reported bugs
1 issue- Dark mode icon removed
Requested features
4 requests- Lunar calendar support
- Widget support
- Date display on app icon
- More features
In-app purchases
ShamsiCal
No in-app purchases
Calvim
No in-app purchases






