Comparison

干支計算電卓アプリ vs FirstSeed Planner

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

Head to head
About

干支計算電卓アプリ

Features
Read full description

【干支計算が簡単に! 新しい干支電卓アプリ登場】 江戸リバイバルシリーズ第二弾! ◎ シンプルで使いやすいデザイン 直感的なインターフェースで、誰でも簡単に使えます。干支計算が初めての方でも、すぐにマスターできる操作性。 ◎ 西暦から干支を計算! 特定の西暦年の干支を簡単に計算できます。重要な年の干支確認もバッチリ! ◎ 紀元前にも対応! 西暦の紀元前の干支計算もワンボタンで切り替え! ◎ 干支一覧を確認できる! 干支一覧をアプリ内で確認できます。計算結果の干支が一覧のどこにあたるのかまでわかります!

About

FirstSeed Planner

This app combines your calendar, notes, and to-do lists onto a single daily page for a clear overview of your schedule and tasks. Seamlessly integrate with existing calendars and manage unfinished items by rescheduling them. Customize your view and export content in various formats.

Highlights
  • Unified daily view of calendar, notes, and tasks
  • Syncs with iCloud, Google, and Exchange calendars
  • Create notes with rich text formatting and checkboxes
  • Reschedule unfinished to-dos
  • Export pages as PDF or Markdown
  • Widgets for at-a-glance information
  • Customizable appearance and settings
Features
Read full description

Your events, to-dos, and notes for each day, together on one page. Each page shows your calendar, events, and notes together, so you can see your schedule while you write. Events and reminders come straight from the Calendar and Reminders apps on your device. Add photos, create to-dos with checkboxes, and move unfinished items to another day. One day, one page See your schedule and notes together. Adjust the space for each, search across events, reminders, and notes, and swipe between days. Works with your calendars Use your existing iCloud, Google, and Exchange calendars with no importing required. Create, reorder, and share calendars right in the app. Notes and to-dos Add photos, checkboxes, lists, highlights, and text formatting. Use each page as a planner, journal, meeting notes, health log, or anything else you need. Stay on top of unfinished tasks See overdue reminders and unfinished to-dos in one place and move them to today or tomorrow with a single action. Made for larger screens Use a two-column layout or open a two-day spread. Eight widgets let you see events, notes, to-dos, and your month at a glance. Export and customize Export pages as PDF or Markdown, with support for A4, A5, B5, and US Letter. Customize colors, text size, weekends, holidays, and more. FirstSeed Planner Pro - Sync across iPhone, iPad, and Mac - Automatic iCloud backup - Weather on your pages - Quick Access menu - App icon badge About Subscription: Payment will be charged to your Apple ID account at the confirmation of purchase. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. Terms of Use: https://firstseed.io/terms.html

Screenshots

干支計算電卓アプリ2 screens
FirstSeed Planner4 screens

Verdict

The call

The clearest difference is price: FirstSeed Planner at Free against 干支計算電卓アプリ's $0.49. FirstSeed Planner also leads on update cadence (every 5 days vs every 18 months). 干支計算電卓アプリ's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 26.0). On ads and device support 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

FirstSeed Planner is free to download; 干支計算電卓アプリ costs $0.49 up front. FirstSeed Planner sells 3 in-app purchases, starting at $3.49 per month. 干支計算電卓アプリ asks for nothing beyond the download.

UpkeepUpdate frequency

干支計算電卓アプリ ships an update every 18 months, FirstSeed Planner every 5 days. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

Scorecard4 real differences · 6 level
干支計算電卓アプリ versus FirstSeed Planner: the parameters behind the verdict, then further details
Parameter干支計算電卓アプリFirstSeed Planner
Price$0.49Free — better
Rating—5.0 (3 ratings) — better
Positive reviews—74.2% of reviews
Number of ratings—3 — better
Update frequencyEvery 18 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better26.0
Further details — not scored
Size16 MB42 MB
Age rating4+4+
DeveloperkotobazFirstSeed Inc

In-app purchases

None

干支計算電卓アプリ

No in-app purchases

3 purchases

FirstSeed Planner

Subscriptions2
  • Pro Monthly7 Days trial$3.491 Month
  • Pro Yearly1 Month trial$29.991 Year
One-time1
  • Lifetime$89.99

Questions

Is 干支計算電卓アプリ free?
干支計算電卓アプリ costs $0.49, with no in-app purchases.
Is FirstSeed Planner free?
FirstSeed Planner is free to download, with in-app purchases available.
Do 干支計算電卓アプリ or FirstSeed Planner have ads?
Neither 干支計算電卓アプリ nor FirstSeed Planner shows ads.
Which is updated more often, 干支計算電卓アプリ or FirstSeed Planner?
干支計算電卓アプリ ships an update every 18 months, and FirstSeed Planner every 5 days. Most recently, 干支計算電卓アプリ was updated on November 8, 2026 and FirstSeed Planner on November 10, 2026.

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