NoteSphere vs Reading Savings
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NoteSphere
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Note Sphereは、書きやすさと探しやすさにこだわったノートアプリです。 Markdown、プレーンテキスト、タスクノート、日記メモを用途に合わせて使い分けられます。 見出しやコードブロックを使ったMarkdown記述に対応し、学習記録・技術メモ・議事録・日々のアイデア整理まで幅広く活用できます。 フォルダで整理し、検索ですばやく目的のノートにアクセスできます。 さらに、ノート種別ごとに初期本文(テンプレート)を設定できるため、毎回の入力を効率化。 シンプルで直感的な操作で、思考を止めずに記録できます。 主な機能 ・Markdown / プレーン / タスク / 日記の4種類のノート ・フォルダ分類とノート検索 ・テンプレート初期値の設定 ・見やすく統一されたUI あなたの学習・仕事・日常の記録を、ひとつのアプリでスマートに管理できます。
Reading Savings
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Reading Passbook – A reading log app where the books you read turn into “savings.” What is Reading Passbook? When you log a book you borrowed from the library or read through an unlimited-reading service, the book’s retail price is added as “Reading Savings.” It turns your reading activity into a visible, motivating habit — great for children building reading routines and adults who want to track their reading in a fun way. Main Features ・Book Registration Scan barcodes to register books instantly Search by title to find books Add books manually when needed ・Reading Savings Track the price of books you read from libraries or unlimited services View savings in a clean passbook-style log See how much you “saved” by reading instead of buying ・Bookshelf View Manage all the books you’ve read in one place Display book covers in a visual bookshelf layout Rate each book and add notes to remember your impressions ・Profile Management Create separate bookshelves for each family member Perfect for households where parents track children’s reading ・Share Your Reading Share monthly reading reports as images Create stylish cards showing the book covers you’ve read Who is this app for? Parents who want to support their child’s reading habit People who frequently use libraries Users of unlimited-reading services such as Kindle Unlimited Anyone who wants a fun, motivating way to keep a reading log Reading becomes more enjoyable when you can see your progress and savings. Start your Reading Passbook today!
Screenshots
Verdict
The clearest difference is in-app purchases: NoteSphere at none against Reading Savings's 1. NoteSphere also leads on iOS requirement (12.0 vs 15.1). Reading Savings's advantage is ads (none vs shown). On price, update cadence 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
Both are free to download. Reading Savings sells 1 one-off in-app purchase. NoteSphere asks for nothing beyond the download.
NoteSphere ships an update every 9 days, Reading Savings weekly. Both last shipped on October 28, 2026.
| Parameter | NoteSphere | Reading Savings |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 35 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Takafumi Miyakoshi | Miyuki Fujirai |
In-app purchases
NoteSphere
No in-app purchases
Reading Savings
- 読書貯金プレミアム$19.99









