Comparison

Sola. vs Widget Bunko

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

Head to head
About

Sola.

Features
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Sola.は、青空文庫の豊富な文学作品を快適に読むための電子書籍リーダーです。 【主な特徴】 ◆ 縦書き/横書きレイアウトの切り替え 紙の本のような縦書きレイアウトで楽しむことも、あるいは、普段スマホで読み慣れた横書きレイアウトで気軽に読むこともできます。読みやすさにこだわったデザインです。 ◆ 豊富な作品 夏目漱石「こころ」「坊っちゃん」 芥川龍之介「羅生門」「蜘蛛の糸」 太宰治「人間失格」「走れメロス」 宮沢賢治「銀河鉄道の夜」「注文の多い料理店」 など、17,000作品以上の名作が無料で読めます。 ◆ オフライン読書 一度ダウンロードすれば、インターネット接続なしでいつでもどこでも読書を楽しめます。 ◆ 読書管理 ・読書中、未読、読了、お気に入りで整理 ・読書進捗を自動保存 ・本棚のリスト表示とグリッド表示を切り替え可能 ◆ 検索機能 タイトルや著者名から素早く作品を検索。読みたい本がすぐに見つかります。 ◆ カスタマイズ ・ライトモード/ダークモード対応 ・お好みのテーマカラーに変更可能 ・フォントサイズ調整 ◆ iPad対応 大画面でも快適に使える、レスポンシブデザイン。 ◆ プライバシー重視 個人情報の収集は一切なし。すべてのデータは端末内に保存されます。 【青空文庫について】 青空文庫は、著作権が切れた文学作品や著作権者が許可した作品を、ボランティアの方々が電子化し、無料で公開しているプロジェクトです。本アプリは青空文庫の公式アプリではありませんが、そのデータを利用させていただいています。 【こんな方におすすめ】 ・日本の古典文学を読みたい方 ・青空文庫を快適に読みたい方 ・縦書きでも横書きでも読書したい方 ・通勤・通学中に読書を楽しみたい方 ・オフラインで本を読みたい方 Sola.で、文学の世界をお楽しみください。

About

Widget Bunko

Features
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There are countless masterpieces you promise yourself you’ll read one day. And yet the app you open is always social media. That isn’t entirely your fault — the classics never came to meet you. Until now: they slide onto your Home Screen, right before you reach for your feed. ■ Read without opening the app Your widget shows the page you’re on. On the train, in a queue, during a meeting that isn’t your turn — read on in any spare moment. When you near the end, the widget shows the opening of your next recommended book. ■ Made for Japanese learners • The works are in the original Japanese, set vertically like a real bunko paperback. • Furigana from the original texts sit beside difficult kanji. (Only where the original text has them — not every kanji.) • Long-press any word to look it up in the iOS dictionary. • Menus and settings are in your language. ■ Classics ready on your shelf 夏目漱石『こころ』『吾輩は猫である』『坊っちゃん』, 芥川龍之介『羅生門』『蜘蛛の糸』, 太宰治『走れメロス』『人間失格』, 宮沢賢治『銀河鉄道の夜』 and more. Search over 17,000 Aozora Bunko works, or browse “Random 50” for a chance encounter, like wandering a used bookstore. ■ Pro (one-time purchase) • Furigana on every page of every work (free version: first 10 pages of each work) • Choose-a-Book Widget: small, medium and large, each with its own book • No banner ads Your background themes, dictionary lookup and the classic widget stay free. ■ Pricing The app is free. Banner ads appear at the bottom of Home, Bookshelf and Discover; never while you read. No account or sign-in is needed. With deep gratitude to the Aozora Bunko project. All works are public-domain literature collected under Aozora Bunko’s guidelines, and each ends with its source information. Support: https://widgetbunko.doublereedlab.com/support Privacy Policy: https://widgetbunko.doublereedlab.com/privacy

Screenshots

Sola.4 screens
Widget Bunko4 screens

Verdict

The call

The clearest difference is in-app purchases: Sola. at none against Widget Bunko's 1. Sola. also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.0). Widget Bunko's advantage is update cadence (every 2 weeks vs every 2 months). On price 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. Widget Bunko sells 1 one-off in-app purchase. Sola. asks for nothing beyond the download.

UpkeepUpdate frequency

Sola. ships an update every 2 months, Widget Bunko every 2 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 2 level
Sola. versus Widget Bunko: the parameters behind the verdict, then further details
ParameterSola.Widget Bunko
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size90 MB58 MB
Age rating12+12+
DeveloperMewgonRyuichi Kayashima

In-app purchases

None

Sola.

No in-app purchases

1 purchases

Widget Bunko

One-time1
  • Pro: Furigana, Widgets, No Ads$2.99

Questions

Is Sola. free?
Sola. is free to download, with no in-app purchases.
Is Widget Bunko free?
Widget Bunko is free to download, with in-app purchases available.
Do Sola. or Widget Bunko have ads?
Widget Bunko shows ads; Sola. does not.
Which is updated more often, Sola. or Widget Bunko?
Sola. ships an update every 2 months, and Widget Bunko every 2 weeks. Most recently, Sola. was updated on November 5, 2026 and Widget Bunko on October 31, 2026.

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