Comparison

Study Time Record chart vs Drill.ai

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

Head to head
About

Study Time Record chart

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Press the study button and record the start date and time. You can record the end date and time by clicking "Record end date and time" in the table. Study time is calculated and displayed based on the start date and time and end date and time. Display study time in a line graph. ・Record the start date and time of study 1. Tap the "Study" button. If you press/tap for a long time, step 2/step 3 will be skipped. The current date and time will be set. 2. Select the year, month, and day and tap "Next". 3. Select a start time and tap OK. ・When recording the end date and time 1. Tap the "End date and time" button in the end date and time column of the table. If you long press/tap, step 2/step 3 will be skipped. The current date and time will be set. 2. Select the year, month, and day and tap "Next". 3. Select the end time and tap "OK". ▼ Sorting order You can change the sort order of the table by tapping the arrows (↓↑) to the left of the year and month. ▼Study time The study time in the table is automatically displayed based on the start date and time and end date and time. ▼Record subjects 1. Tap "Select subject" in the mood column at the end of the table. 2. Select a subject. 3. If there are no subjects to select  Tap “Subject List Settings”.   Tap the “Add subject button” to add a subject.  Return to steps 1 and 2 and record the subjects. ▼Enter notes 1. Tap the three points (...) on the table. 2. Tap Notes. 3. Enter the notes and tap OK. ▼Delete one record 1. Tap the three points (...) on the table. 2. Tap Delete from the menu. 3. Tap the red delete button. ▼Course list settings Create a subject list for each user using the subject list settings. Configure settings such as adding, deleting, and sorting subjects. ▼Set start time (top right menu) Set the time input by setting the start time. ▼Setting the end time (top right menu) Set the time input in the end time setting. ▼Create PDF file (top right menu) Create a PDF file. You can create a PDF file that specifies the year and month and includes the start date and time, end date and time, study time, subjects, and notes. If you want to print, please share the PDF file to an app that can print before printing. ▼Dark mode (top right menu) Select dark mode ON/OFF from the menu on the top right Press Dark Mode to switch to a screen display with a color scheme based on black. If you press Light mode, the screen will be displayed in the normal white color. ▼If you want to delete all records Delete all data from the top right menu You can delete all records below. ・Delete all recorded data (study time, subjects, users) ・Delete all recorded data on iCloud ▼Display graph 1. Press the line graph button at the top. 2. Click the displayed graph from the menu below. Monthly graph study time graph Study time rhythm chart Annual total/average/graph Full period graph ▼Add user 1. Press the user button at the top 2. Press add user 3. Enter your username and press OK. ▼Edit username 1. Press the user button at the top 2. Press user edit and delete 3. Press the username from the list. 4. Edit the user name on the edit screen and press OK. ▼Delete username 1. Press the user button at the top 2. Press user edit and delete 3. Swipe the username you want to delete from the list from the left and press Delete. ・Model change data migration For users with the same Apple ID Because records are stored in iCloud View the same recording on a new iPhone/iPad 【Terms of Use】 This app complies with the Apple Standard Terms of Use (EULA). Please refer to the link below for details: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Drill.ai

Features
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AIが類題を自動生成 - 苦手を克服する無限ドリル 「この問題、解説を読んで理解したけど、練習する問題がない…」 そんな経験はありませんか? Mugen Drillは、手持ちの問題集やプリントをカメラで撮影するだけで、AIがその問題を解析し、数値や単語を変えた「類題(同じパターンの練習問題 )」を瞬時に生成する学習アプリです。 ただ答えを見るだけでなく、実際に自分の手を動かして類題を解くことで、確実な「解く力」が身につきます。 【主な機能】 ■ カメラで瞬間スキャン&類題生成 数学の計算問題、図形問題、英語の文法問題などをカメラで撮影するだけ。AIが論理構造を保ったまま、新しい数値を設定した練習問題を作成 します。 ■ 数学・英語に特化 ・数学:計算問題から記述式の証明問題まで対応。 ・英語:文法や長文読解のトレーニングに。 ・解説機能:生成された問題には、ステップごとの丁寧な解説がつきます。 ■ 自分だけの問題集(スクラップブック) 生成した問題は「保存済み」リストにストック。「タグ」機能を使って、単元ごとや重要度ごとに整理できます。試験前に苦手なタグだけを絞 り込んで集中特訓が可能です。 ■ 忘却曲線を意識した復習 保存した問題はいつでも呼び出して再挑戦可能。間違えた問題だけを繰り返す「ミステイク・ループ」で、苦手を徹底的に潰しましょう。 【こんな方におすすめ】 * 定期テストや受験勉強で、特定のパターンの問題を重点的に練習したい方 * 問題集をやり尽くしてしまい、新しい初見の問題が欲しい方 * 自分のペースで効率よく復習サイクルを作りたい方 Mugen Drillで、無限に広がる演習の世界へ。今すぐダウンロードして、学習効率を劇的に変えましょう! 【利用規約・プライバシーポリシー】 利用規約: https://mountain-snowstorm-38b.notion.site/2c5c2cf9e801808c9a00dcffab145911 プライバシーポリシー: https://mountain-snowstorm-38b.notion.site/1fac2cf9e80180ada517ea9d2fa9ee18

Screenshots

Study Time Record chart4 screens
Drill.ai4 screens

Verdict

The call

The clearest difference is in-app purchases: Study Time Record chart at none against Drill.ai's 1. Drill.ai's advantage is update cadence (every 2 days vs every 2 months) and iOS requirement (15.1 vs 17.6). On price, 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

Both are free to download. Drill.ai sells 1 in-app purchase, starting at $9.99 per month. Study Time Record chart asks for nothing beyond the download.

UpkeepUpdate frequency

Study Time Record chart ships an update every 2 months, Drill.ai every 2 days. The most recent releases landed on October 3, 2026 and September 24, 2026 respectively.

Scorecard3 real differences · 3 level
Study Time Record chart versus Drill.ai: the parameters behind the verdict, then further details
ParameterStudy Time Record chartDrill.ai
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 days — better
AdsYesYes
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.615.1 — better
Further details — not scored
Size7 MB48 MB
Age rating17+4+
DeveloperYUTAKA IZUMIYAMAYuta Kobayashi

In-app purchases

None

Study Time Record chart

No in-app purchases

1 purchases

Drill.ai

Subscriptions1
  • Proプラン(月額)$9.991 Month

Questions

Is Study Time Record chart free?
Study Time Record chart is free to download, with no in-app purchases.
Is Drill.ai free?
Drill.ai is free to download, with in-app purchases available.
Do Study Time Record chart or Drill.ai have ads?
Both Study Time Record chart and Drill.ai show ads.
Which is updated more often, Study Time Record chart or Drill.ai?
Study Time Record chart ships an update every 2 months, and Drill.ai every 2 days. Most recently, Study Time Record chart was updated on October 3, 2026 and Drill.ai on September 24, 2026.

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