先生の道具箱 vs Vertical Calendar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
先生の道具箱
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元教員エンジニアが学校の業務を効率よく行えるようなアプリを目指して開発しています。 教員になったらこのアプリ１つ入れとけばとりあえずいいよね！を目指しています。 コツコツ開発していくのでよろしくお願いします！
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
- Unlimited tab creation for organization
- Color-coded event creation
- Global event search
- Automatic backup and restore
- Offline support
- Biometric authentication
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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: 先生の道具箱 at none against Vertical Calendar's 2. Vertical Calendar's advantage is update cadence (weekly vs every 9 months). On price, ads, device support and iOS requirement 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. 先生の道具箱 asks for nothing beyond the download.
先生の道具箱 ships an update every 9 months, Vertical Calendar weekly. The most recent releases landed on October 25, 2026 and November 2, 2026 respectively.
| Parameter | 先生の道具箱 | Vertical Calendar |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | — | 3 — better |
| Update frequency | Every 9 months | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 34 MB | 52 MB |
| Age rating | 17+ | 4+ |
| Developer | Rin Takemura | naoki otsu |
Customer experience
先生の道具箱
Vertical Calendar
In-app purchases
先生の道具箱
No in-app purchases
Vertical Calendar
- Premium$1.991 Month
- Premium$19.991 Year
Questions
Is 先生の道具箱 free?
Is Vertical Calendar free?
Do 先生の道具箱 or Vertical Calendar have ads?
Which is updated more often, 先生の道具箱 or Vertical Calendar?
Other comparisons
