Chalkak Calendar vs Vertical Calendar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chalkak Calendar
Effortlessly add event details from ticket screenshots directly to your calendar. This AI-powered tool scans your booking confirmations, extracting essential information like title, date, and time with a simple voice command.
- AI ticket scanning
- Siri Shortcuts integration
- Automatic calendar sync
- Supports multiple ticket providers
- Handles movies, concerts, and sports
- Works with shared tickets
Read full descriptionHide full description
"Hey Siri, Snap Schedule!" The smart booking manager that turns your ticket screenshots into calendar events—movies, concerts, sports, you name it. How it works Take a screenshot of your booking confirmation Say "Hey Siri, Snap Schedule" AI reads your ticket and adds it to your calendar. Done! What you get One-tap calendar sync with Siri Shortcuts AI that actually reads your tickets—title, date, time, seat, all of it Works with CGV, Megabox, Lotte Cinema, Ticketlink, Klook, and more Not just movies—concerts, musicals, and sports games too Even works with tickets your friends share with you Save your time No more opening your calendar and typing everything in after every booking. One screenshot. That's all it takes. Perfect for you if... You watch multiple movies a month You're always booking concerts or musicals You just want an easier way to keep track of your tickets
Vertical Calendar
Organize your life with a vertical monthly calendar and unlimited tabs. Easily create color-coded events, search your schedule, and enjoy offline access. Secure your data with biometric authentication.
- Vertical monthly calendar view
- One-tap appointment creation
- Unlimited tab creation for organization
- Color-coded event highlighting
- Global event search
- Automatic backup and restore
- Biometric authentication for security
Read full descriptionHide full description
Create appointments with a vertical calendar! Revolutionize your schedule management with an intuitive monthly calendar and easy-to-use tab functionality! ◆ Easy-to-read vertical monthly calendar See your entire month's schedule at a glance with our vertical monthly calendar! Never miss important appointments even in your busy days! ◆ One-tap appointment creation Instantly add appointments by simply tapping dates on the monthly calendar! ◆ Unlimited tab creation Create unlimited tabs! Perfectly organize work, personal life, hobbies, and more by category! ◆ Color-coded event creation Color-code events with our rich color palette! Achieve optimal visibility to distinguish importance and types at a glance! ◆ Global search Instantly search all events! Discover your target appointments in seconds even from massive amounts of data! ◆ Automatic backup and restore Worry-free device changes! Automatically backup your data and instantly restore on new devices! ◆ Light mode and dark mode support Eye-friendly display with beautiful dark mode! Perfectly customize to your preferences! ◆ Complete offline support No internet connection required! Fully accessible anytime, anywhere! ◆ Notification functionality Custom message notifications at specified times! Never miss important appointments! ◆ Biometric authentication Maximize app security with Face ID and fingerprint authentication! Complete protection of your privacy! ◆ Tab notes Add notes freely to each tab! Check important category-specific information anytime! ◆ No login required No tedious registration process! Start your premium experience immediately after download! ◆ Robust security Your data is completely private! No external transmission whatsoever! Safely stored only on your device! ◆ Support 24/7 support available! Contact us anytime if you have any questions. info@naokiotsu.com ◆Privacy Policy https://naokiotsu.com/privacy-policy ◆Terms of Use https://naokiotsu.com/term-of-use
Screenshots
Verdict
The clearest difference is in-app purchases: Chalkak Calendar at none against Vertical Calendar's 2. Vertical Calendar's advantage is update cadence (weekly vs every 3 weeks) and device support (3 vs 1). On price 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. Vertical Calendar sells 2 in-app purchases, starting at $1.99 per month. Chalkak Calendar asks for nothing beyond the download.
Chalkak Calendar ships an update every 3 weeks, Vertical Calendar weekly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | Chalkak Calendar | Vertical Calendar |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 3 — better |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 13 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | HAN WOOL OH | naoki otsu |
Customer experience
Chalkak Calendar
Vertical Calendar
In-app purchases
Chalkak Calendar
No in-app purchases
Vertical Calendar
- Premium$1.991 Month
- Premium$19.991 Year
Questions
Is Chalkak Calendar free?
Is Vertical Calendar free?
Do Chalkak Calendar or Vertical Calendar have ads?
Which is updated more often, Chalkak Calendar or Vertical Calendar?
Other comparisons
