ダイヤモンドZAi vs Yom! Aozora Bunko
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ダイヤモンドZAi
This comprehensive money magazine covers investing, stocks, investment trusts, and FX for all generations. It provides easy-to-understand financial information in an engaging format. Digital editions may differ from print versions and may not include paper supplements.
- Comprehensive money magazine
- Covers stocks, investment trusts, FX
- Easy-to-understand financial information
- Digital edition available
- Subscription options
- Automatic downloads
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///////////////////////// ------------------------------------------------------- 「あらゆる世代のための『攻め』と『守り』の総合マネー誌 ------------------------------------------------------- あらゆる世代のための「攻め」と「守り」の総合マネー誌。株式・投信信託・FXを中心とし、充実したマネー情報をわかりやすく楽しい誌面で読者に紹介します。 ※電子版では、紙の雑誌と内容が一部異なります。また、紙版の付録は付属されませんので、ご注意ください。 また、著作権等の問題で掲載されないページがあります。あらかじめご了承ください。 ●ライセンス期間について 本アプリをダウンロード後、サブスクリプションライセンスをご購入いただくと、ライセンス期間内に発売される号をご覧いただけます。 ●自動ダウンロードについて ライセンス期間中に、自動ダウンロードをオンに設定すると、毎月21日(予定)に最新号がアップデートされ次第、自動的にダウンロードされます(お使いのiOS端末がwi-fi接続されている時のみ有効。アップデート日時は予告なく変更する場合があります)。 *iOS14の自動ダウンロードの設定方法は、下記の通りです。 設定>一般>Appバックグラウンド更新>ダイヤモンドZAi>オン ※自動継続について 本アプリで購入できるライセンスには自動継続機能がついており、ライセンス期間が終了すると自動的に期間が延長され、最初に購入いただいたライセンスが再度購入されます。 自動継続を停止するには、ライセンス期間終了の24時間以上前に、お使いの端末のアカウント設定画面で設定を変更します。 iOSデバイスのトップ画面から「設定」->「APPLE ID」->サブスクリプションより設定を変更することができます。 なお、ライセンス期間中は、期間の変更や払い戻しをすることができませんのでご了承ください。 ※使用端末について ライセンスを購入したApple IDからは、本アプリに対応した5つのiOS端末でコンテンツを観覧することができます。 ライセンスを購入した端末以外の端末からコンテンツを観覧する場合や、アプリを一旦削除して再インストールした場合は、ライセンスを購入したApple IDでログインしたあと、本アプリを起動し、「設定」->「定期購読状態をリストア」をタップしてください。 プライバシーポリシー及び利用規約:http://www.diamond.co.jp/legal/Newsstand.html
Yom! Aozora Bunko
Access and read over 17,000 literary classics from Aozora Bunko for free. Customize your reading experience with adjustable display settings, bookmarks, and search functions. An optional premium plan offers an ad-free experience.
- Read 17,000+ literary classics
- Customizable display (font, spacing, margins)
- Vertical and horizontal text options
- Bookmarks and favorites
- Work, author, and category search
- Page count indicator
- Ad-free premium option
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'Yom! Aozora Bunko' is an app that lets you easily read literary classics anytime, anywhere. You can read works from Aozora Bunko for free and enjoy more than 17,000 works by over 900 authors, including Soseki Natsume, Ryunosuke Akutagawa, and Osamu Dazai. This app includes a variety of features designed to make reading more comfortable. - Customize the display to your liking with vertical or horizontal text, adjustable font size, line spacing, and margins - Use bookmarks and favorites to quickly reopen works you are reading or works you love - Find what you want quickly through work search, author search, and category browsing - See page counts so you can tell at a glance how far you have read Users also highly appreciate how easy the app is to use. "Probably the most user-friendly Aozora Bunko viewer I have ever used." "Being able to switch to horizontal reading is really convenient!" "Thank you for providing such a wonderful app." With the Premium plan, you can enjoy reading without ads. ■ Premium Plan (1 month) - No ads - Access to premium features for 1 month ■ About auto-renewable subscriptions Your subscription will renew automatically unless auto-renewal is turned off at least 24 hours before the end of the current period. ■ How to cancel Open Settings > iTunes Store & App Store > Apple ID > View Apple ID > Subscriptions > Yom! Aozora Bunko, then cancel the subscription. ■ Restore purchases If you already have an active subscription, you can restore it from "Restore Purchases." ■ About cancellations Subscriptions cannot be canceled by any method other than the one above. We also cannot accept cancellations for the current month. ■ Terms of Use and Privacy Policy https://blog.seiichirou.jp/apps/aozora/privacypolicy/ ■ EULA https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Latest app news is available from the official accounts below. - Official Twitter: https://twitter.com/yomaozora - Official Blog: https://blog.seiichirou.jp/apps/aozora/ Download 'Yom! Aozora Bunko' and bring literary classics closer to your everyday life.
Screenshots
Verdict
The clearest difference is review sentiment: Yom! Aozora Bunko at 68% against ダイヤモンドZAi's 0%. Yom! Aozora Bunko also leads on monetization model (free with in-app purchases vs subscription) and update cadence (every 9 days vs every 15 months). ダイヤモンドZAi's advantage is ads (none vs shown) and iOS requirement (9.0 vs 15.0). On price, 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
Both are free to download. ダイヤモンドZAi sells 4 in-app purchases, starting at $7.49 per month and Yom! Aozora Bunko sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
ダイヤモンドZAi ships an update every 15 months, Yom! Aozora Bunko every 9 days. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.
| Parameter | ダイヤモンドZAi | Yom! Aozora Bunko |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 68.0% of reviews — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 15 months | Every 9 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 31 MB | 94 MB |
| Age rating | 4+ | 4+ |
| Developer | DIAMOND, Inc. | Seiichirou Tanaka |
Customer experience
ダイヤモンドZAi
Yom! Aozora Bunko
In-app purchases
ダイヤモンドZAi
- ダイヤモンドZAi$7.491 Month
- ダイヤモンドZAi$21.493 Months
- ダイヤモンドZAi$37.996 Months
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- ダイヤモンドZAi$76.991 Year
Yom! Aozora Bunko
- Premium Plan14 Days trial$0.991 Month
Questions
Is ダイヤモンドZAi free?
Is Yom! Aozora Bunko free?
Do ダイヤモンドZAi or Yom! Aozora Bunko have ads?
Which is updated more often, ダイヤモンドZAi or Yom! Aozora Bunko?
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