Comparison

ShamsiCal vs Calvim

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Accurate Persian calendar engine
  • Gregorian to Persian date conversion
  • Official holiday tracking
  • Home Screen widgets
  • Lock Screen widgets
  • Dark Mode support
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

ShamsiCal4 screens
Calvim4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

Scorecard3 real differences · 7 level
ShamsiCal versus Calvim: the parameters behind the verdict, then further details
ParameterShamsiCalCalvim
PriceFreeFree
Rating4.4 (176 ratings)4.8 (491 ratings) — better
Positive reviews84.8% of reviews96.1% of reviews — better
Number of ratings176491 — better
Update frequencyEvery 5 weeksEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, Mac, Apple Watch, Vision Pro — betteriPhone, iPad, iPod, Apple Watch
Requires iOS17.015.3 — better
Further details — not scored
Size15 MB84 MB
Age rating4+4+
DeveloperAlireza KhoddamPouya Ahmad Heydari

Customer experience

ShamsiCal

All ratings176 ratings
Positive84.1%
Neutral4.0%
Negative11.9%
Written reviews105 reviews
Positive84.8%
Neutral5.7%
Negative9.5%

Calvim

All ratings491 ratings
Positive93.9%
Neutral3.1%
Negative3.1%
Written reviews77 reviews
Positive96.1%
Neutral1.3%
Negative2.6%

User reviews

ShamsiCal

From 176 App Store ratings

What 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 ratings

What 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 more
  • 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 more
  • 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

None

ShamsiCal

No in-app purchases

None

Calvim

No in-app purchases

Questions

Is ShamsiCal free?
ShamsiCal is free to download, with no in-app purchases.
Is Calvim free?
Calvim is free to download, with no in-app purchases.
Which has better reviews, ShamsiCal or Calvim?
Calvim is rated higher. ShamsiCal averages 4.4 out of 5 from 176 ratings, while Calvim averages 4.8 from 491 ratings.
Do ShamsiCal or Calvim have ads?
Neither ShamsiCal nor Calvim shows ads.
Which is updated more often, ShamsiCal or Calvim?
ShamsiCal ships an update every 5 weeks, and Calvim every 5 weeks. Most recently, ShamsiCal was updated on November 1, 2026 and Calvim on November 8, 2026.

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