Comparison

StudyCal vs 受験カウントダウン|共通テストまであと何日

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

Head to head
About

StudyCal

Features
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How many days until the exam? What should you study today? StudyCal is a study calendar that turns your plans into today's to-do list. Check a plan off and your study time adds up automatically. Exam countdowns, home screen widgets, a streak heatmap, a focus timer and more than 50 achievement badges are all included. No sign-in needed. With Pro+, you can reschedule missed plans in one tap, see your pace toward exam day, sync between iPhone and iPad, and share your progress with a parent. StudyCal brings your study plans, timetable, to-do list and study time tracking together in one simple app for middle school, high school and exam students. Plans you add appear on that day's to-do list, and a single tap marks them done. Subjects are color-coded, and your study time is shown in charts. ■ Made for - Students who want to keep studying every day - Anyone tired of using separate apps for a timetable and a to-do list - Students preparing for exams who want to see time spent on each subject - Anyone who wants to add weekly recurring classes in seconds ■ Main features - Today's to-do: today's study plans in one list, with your completion rate at a glance - Calendar: switch between month, week, day and list views in one tap. Color-coded subjects and recurring plans - Timetable: the week view works as a timetable (any number of periods) - Quick plans: pick a subject and a type, and the title fills in for you - Recurring plans: every week on one or more days, with an end date. Automatic numbering such as "Lesson 1, Lesson 2, Lesson 3..." - Check off: tap the circle to finish a plan; it goes straight into your totals - Stats: weekly, monthly and yearly study time in stacked bar charts, with a breakdown by subject - Materials and bookshelf: attach textbooks and workbooks to your plans and see the study time for each one (icon-only materials are unlimited; up to 5 with photos for free) - Plan types: homework, preview, review, past exams, drills, workbooks and more (add your own) - Export to your iPhone calendar or Google Calendar - Automatic backup: once a day, your plans, records, settings and photos are backed up, including to iCloud, so you can restore them on a new device (free; keeping several devices in sync is Pro+) - Sharing with a parent (Pro+): once the student approves, a parent can see study time, time per subject, streak days and completion rate on their own phone. Plan names and notes are never sent. Parents can send stamps and short messages - Exam countdown: add an exam date to see the days left on the home tab and on widgets - Widgets: check today's to-do list and the days until your exam from the home screen - Streaks and badges: see the days you studied on a heatmap and collect badges as you keep going - Focus timer: a Pomodoro-style timer that alternates focus and breaks - No sign-in needed ■ Easy to start StudyCal needs no account and no sign-in. Your study records stay on your iPhone or iPad and in your own iCloud. Study totals are sent only when you use sharing with a parent. ■ Optional upgrades - StudyCal Pro (one-time purchase): app colors, calendar background photos, unlimited material photos, widget colors and background images, rewards, focus timer styles and custom stamps - StudyCal Pro+ (auto-renewing monthly or yearly subscription): reschedule missed plans, iPhone and iPad sync, pace toward exam day, past weekly reports, monthly reports, exam reviews and sharing with a parent (a parent can see up to 6 children if the parent subscribes). Includes everything in Pro All the basic features, including plans, to-do lists and stats, work without upgrading. Pro+ renews automatically unless canceled at least 24 hours before the end of the current period. You can cancel anytime from your subscription settings. Terms of Use: https://kazutaka.biz/kiyaku/ Privacy Policy: https://kazutaka.biz/privacy/

About

受験カウントダウン|共通テストまであと何日

Features
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共通テストまで、あと何日。ホーム画面を見るたびに、その数字が目に入ります。 受験カウントダウンは、試験日までの残り日数をホーム画面とロック画面のウィジェットに表示する、受験生のためのアプリです。共通テスト、二次試験、併願校、模試、検定。期日が複数あっても、それぞれの残り日数をまとめて置いておけます。 【ウィジェットの設計】 ・日付が変わる0時ちょうどに表示が切り替わるよう、あらかじめ組み立てています(たぬきの勉強部屋では6時・12時・18時にも切り替わります) ・残り日数は、日付どうしの差として数えます(時刻や秒数の割り算では計算しません) ・アプリに試験を登録していない状態でも、ウィジェットは案内文を表示します ・ウィジェットを長押し →「ウィジェットを編集」で、表示する試験を選べます 【ウィジェットの種類】 ・ホーム画面(小)試験名と残り日数を大きな数字で ・ホーム画面(中・大)登録した試験を最大3件まで縦に並べて ・ロック画面(横長)試験名と残り日数を最大2件 ・ロック画面(丸)残り日数の数字のみ 【ホーム画面ウィジェットの表示】 アプリの設定から「シンプル」と「たぬきの勉強部屋」を選べます。シンプルは無料、たぬきの勉強部屋はProです。たぬきの勉強部屋では、たぬきの絵が朝(6時から)・昼(12時から)・夜(18時から)で切り替わります。ロック画面のウィジェットは文字表示です。 【アプリの中でできること】 ・試験名(手入力)と試験日を登録する ・残り日数を大きな数字で縦に並べて見る ・目標色を選ぶ(墨・深緑・藍・朱・黄土・梅・鈍色・苔の8色) ・たぬきの勉強部屋を選んでいるときは、アプリのホームにも同じ絵を表示します(Pro) 【無料でできること】 ・試験1件の登録と残り日数の表示 ・ホーム画面ウィジェット(小・中・大)のシンプル表示と、ロック画面ウィジェット(横長・丸)のすべて ・広告は表示しません 【Pro(買い切り 300円)】 ・たぬきの勉強部屋(ホーム画面ウィジェットとアプリのホーム。朝・昼・夜で絵が切り替わります) ・試験を件数の制限なく登録(併願校・二次・模試を並べて管理できます) ・目標色を8色から選択(アプリ内とシンプル表示のウィジェット) ・毎朝7:00のお知らせ(選んだ試験1件。先の60日分をあらかじめ登録します) 【持たない機能】 ・試験日程の自動入力はありません。試験名も日付もすべて手入力です。外部の日程データベースを参照しないため、配信の停止や仕様変更に左右されません。 ・広告は一切表示しません。 ・SNS機能(フォロー・投稿・タイムライン・友達の残り日数の共有)はありません。 ・アカウント登録・ログインは不要です。 データは端末内にのみ保存されます。外部サーバーへの送信は行いません。

Screenshots

StudyCal4 screens
受験カウントダウン|共通テストまであと何日4 screens

Verdict

The call

The clearest difference is update cadence: StudyCal at every 3 days against 受験カウントダウン|共通テストまであと何日's every 2 weeks. StudyCal also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases 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. StudyCal sells 3 in-app purchases, starting at $0.99 per month and 受験カウントダウン|共通テストまであと何日 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

StudyCal ships an update every 3 days, 受験カウントダウン|共通テストまであと何日 every 2 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 3 level
StudyCal versus 受験カウントダウン|共通テストまであと何日: the parameters behind the verdict, then further details
ParameterStudyCal受験カウントダウン|共通テストまであと何日
PriceFreeFree
Update frequencyEvery 3 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size59 MB10 MB
Age rating4+4+
DeveloperKazuaki TakahashiKota Mizumura

In-app purchases

3 purchases

StudyCal

Subscriptions2
  • Pro+ 月額プラン$0.991 Month
  • Pro+ 年額プラン$9.991 Year
One-time1
  • 勉強カレンダー Pro$1.99
1 purchases

受験カウントダウン|共通テストまであと何日

One-time1
  • 受験カウントダウン Pro$1.99

Questions

Is StudyCal free?
StudyCal is free to download, with in-app purchases available.
Is 受験カウントダウン|共通テストまであと何日 free?
受験カウントダウン|共通テストまであと何日 is free to download, with in-app purchases available.
Do StudyCal or 受験カウントダウン|共通テストまであと何日 have ads?
Neither StudyCal nor 受験カウントダウン|共通テストまであと何日 shows ads.
Which is updated more often, StudyCal or 受験カウントダウン|共通テストまであと何日?
StudyCal ships an update every 3 days, and 受験カウントダウン|共通テストまであと何日 every 2 weeks. Most recently, StudyCal was updated on October 28, 2026 and 受験カウントダウン|共通テストまであと何日 on October 25, 2026.

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