Comparison

蓄積読書 vs Page Tracker

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

Head to head
About

蓄積読書

This app helps adults build a reading habit by tracking progress, estimating completion times, and offering features to maintain reading streaks. It supports all book formats and allows for note-taking to capture insights.

Highlights
  • Real-time estimated reading completion time
  • Supports paper, e-books, and audiobooks
  • Streak maintenance with freeze items
  • Live Activity for lock screen progress
  • Note-taking for reading insights
  • Keyword search and barcode scanning for book registration
Features
Read full description

■ 終わりが見えるから、読み切れる 「読了までの推定時間」をリアルタイムで算出。「あと30分で読み終わる」という具体的なゴールに変え、モチベーションを維持します。 ■ 紙の本・電子書籍・オーディオブック すべてに対応 ページ数、進捗率(%)、再生時間など、本の形に合わせた記録が可能。キーワード検索やバーコードスキャンで、気になる本を秒速で登録できます。 ■ 連続記録を「守る」フリーズアイテム 「どうしても読めない日」があっても大丈夫。連続フリーズ機能を使えば、積み上げたストリーク(連続記録)を途絶えさせることなく、翌日から再開できます。 ■ ロック画面で進捗を確認(Live Activity) アプリを閉じても大丈夫。Live Activity対応の読書タイマーが、ロック画面から今の進捗を常に通知。読書への集中を妨げません。 ■ あなたの思考を逃さないメモ機能 読書セッションごとの気づきを、その場で「知の蓄積」として保存。読み返すたびに、自分の成長を実感できます。 【主な機能一覧】 ・読書の記録・分析  ・読書タイマーによる時間計測と記録の積み上げ  ・進捗管理(ページ / % / 再生時間)  ・過去のペースに基づく「読了までの推定時間」表示 ・本の管理  ・登録方法:キーワード検索 / バーコード / 手動入力  ・全フォーマット対応:紙の本 / 電子書籍 / オーディオブック ・習慣化・モチベーション  ・連続記録(ストリーク)と自己ベスト更新  ・連続記録を守る「連続フリーズアイテム」  ・読書を忘れないための通知リマインダー ・データの安心と使い勝手  ・iCloud同期:複数端末で最新のデータを共有  ・バックアップ機能:大切な読書の軌跡をしっかり保護  ・ダークモード対応:夜の静かな読書タイムにも最適 【こんな方におすすめ】 ・本を買っても、つい途中で挫折してしまう方 ・読書を「知識の資産」として形に残したい方 ・毎日少しずつでも、読書を習慣にしたい方 ・あとどのくらいで読み終わるかを知って、計画的に読みたい方 ▼ サービス情報 利用規約: https://responsible-people-ca1.notion.site/31a8a268873e803fafe8e46f67115136 プライバシーポリシー: https://responsible-people-ca1.notion.site/30e8a268873e8055b53fd79ca7cb3014

About

Page Tracker

This app helps you finish your books and build a reading habit with a visual burn-down chart. Set a target date and follow the ideal pace line by logging your daily page progress. It offers stress-free logging, reminders, and iCloud sync.

Highlights
  • Visual progress chart
  • Stress-free page logging
  • Calendar view of reading logs
  • Reminder notifications
  • iCloud data sync
  • Ad-free experience
  • Social sharing
Features
Read full description

Are your unread books piling up? It’s time to cure your "Tsundoku"! Page Tracker is a highly visual, stress-free reading pace management app designed to help you finally finish your books and build a steady reading habit. Unlike traditional reading trackers that focus on the pressure of "how many pages you read," our app uses a simple burn-down chart approach. Just set a target date, and the app draws an ideal pace line. All you have to do is keep your daily progress along that line! You will intuitively know exactly how much you need to read today without feeling overwhelmed. Key Features Visual Progress Chart: Compare your planned pace vs. actual progress at a glance. Just follow the line! Stress-Free Logging: Simply enter the page number you reached. The app automatically calculates how many pages you read today. Calendar View: Review your daily reading log and track your habit-building journey. Reminder Notifications: Stay on track and never forget to log your progress. iCloud Sync: Seamlessly sync your data across your iPhone and iPad. Beautiful & Clean UI: 100% Ad-free experience with a sleek Dark Mode design. Social Sharing: Easily share your reading progress or a beautiful "Finished!" card image to social media. Highly Recommended For: Curing your "Tsundoku" (the Japanese word for buying books and never reading them) Managing study schedules for exams or textbooks Building a daily reading habit without pressure Pacing yourself to finish a book by a specific deadline

Screenshots

蓄積読書4 screens
Page Tracker4 screens

Verdict

The call

The clearest difference is price: 蓄積読書 at Free against Page Tracker's $3.99. 蓄積読書 also leads on ads (none vs shown) and update cadence (weekly vs every 3 weeks). Page Tracker's advantage is iOS requirement (18.0 vs 26.0). On review sentiment, in-app purchases 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

蓄積読書 is free to download; Page Tracker costs $3.99 up front. 蓄積読書 sells 7 in-app purchases, starting at $2.99 per month and Page Tracker sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

蓄積読書 ships an update weekly, Page Tracker every 3 weeks. The most recent releases landed on September 17, 2026 and September 15, 2026 respectively.

Scorecard5 real differences · 3 level
蓄積読書 versus Page Tracker: the parameters behind the verdict, then further details
Parameter蓄積読書Page Tracker
PriceFree — better$3.99
Positive reviews100.0% of reviews100.0% of reviews
Update frequencyWeekly — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterPaid
DevicesiPhoneiPhone, iPad — better
Requires iOS26.018.0 — better
Further details — not scored
Size23 MB8 MB
Age rating4+4+
DeveloperYuki YamagishiRyota Kando

Customer experience

蓄積読書

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Page Tracker

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

7 purchases

蓄積読書

Subscriptions2
  • 蓄積読書Plus+ 月額プラン7 Days trial$2.991 Month
  • 蓄積読書Plus+ 年額プラン7 Days trial$22.991 Year
One-time5
  • 連続フリーズ$0.29
  • 連続フリーズ 2個$0.49
  • 連続フリーズ 4個$0.99
Show 2 more
  • 連続フリーズ 3個$0.99
  • 連続フリーズ 5個$1.99
8 purchases

Page Tracker

One-time8
  • Tip1$0.49
  • Tip2$1.99
  • Tip 3$2.99
Show 5 more
  • Tip 4$5.99
  • Tip 5$19.99
  • Tip 6$29.99
  • Tip 7$39.99
  • Tip 8$59.99

Questions

Is 蓄積読書 free?
蓄積読書 is free to download, with in-app purchases available.
Is Page Tracker free?
Page Tracker costs $3.99, and also offers in-app purchases.
Do 蓄積読書 or Page Tracker have ads?
Page Tracker shows ads; 蓄積読書 does not.
Which is updated more often, 蓄積読書 or Page Tracker?
蓄積読書 ships an update weekly, and Page Tracker every 3 weeks. Most recently, 蓄積読書 was updated on September 17, 2026 and Page Tracker on September 15, 2026.

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