Comparison

Science Custom Keyboard vs Hundred Schools Classics

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

Head to head
About

Science Custom Keyboard

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理系ユーザーのためのカスタムキーボードアプリ 数式・記号・ギリシャ文字・反応式まで、かんたんに入力! メッセージアプリで友達に質問するのにも最適です! --- 【主な特徴】 - √, π, ∫, log などの数学記号をワンタップ入力 - Cu + HNO₃ → Cu(NO₃)₂ + NO₂ + H₂O のような化学反応式もラクラク - 入力モード切替(アルファベット・数式・記号など) - Unicodeに対応しているため、文字化けが起こりにくい! --- 【こんな人におすすめ】 - 数式や理系記号をよく使う人 - レポートやノートをスマホ・タブレットで書く学生 - 数学・化学・物理・情報系などの教員・研究者 --- 【対応OS】 iOS 17以降 iPhone対応 --- 理系ライフをもっとスマートに。 ぜひ一度試してみてください!

About

Hundred Schools Classics

Features
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The Analects, Laozi, Sunzi, Han Feizi: read the words of ancient China's great thinkers in the original Classical Chinese and in plain English. This app covers 13 thinkers, 13 books, and 2,004 passages. - Read the originals Each passage has a clear English translation alongside the original text. Start with the meaning, then go back to the source whenever you want to. - Keep your place Move through a chapter with Previous and Next, and leave one bookmark in each book. - AI commentary Each passage comes with background and points to notice. The commentary is written by AI from the text alone and does not rely on published annotations. - Search Search the original text and translations together. Use all words, any word, or exclude, and narrow results to specific books. - Collect and share Gather the passages that stay with you into lists. Publish a list so other readers can find it, and save the lists you like. - People and books Learn each thinker's era, dates, school, and related books. - Five languages Japanese, English, Simplified Chinese, Traditional Chinese, and Korean. Dark mode is supported. - Books included The Analects, Mencius, The Great Learning, The Doctrine of the Mean, Laozi, Zhuangzi, Liezi, Xunzi, Han Feizi, The Book of Lord Shang, Mozi, Sunzi, Gongsun Longzi Original texts are from the Kanripo repository (CC BY-SA). ■ Supporter Plan (auto-renewable subscription) The Supporter Plan removes ads and is offered monthly or yearly. It renews automatically unless cancelled at least 24 hours before the end of the current period. You can cancel in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://akio-ko.github.io/syoshi-legal/privacy.html

Screenshots

Science Custom Keyboard4 screens
Hundred Schools Classics4 screens

Verdict

The call

The clearest difference is in-app purchases: Science Custom Keyboard at none against Hundred Schools Classics's 2. Science Custom Keyboard also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Hundred Schools Classics sells 2 in-app purchases, starting at $1.99 per month. Science Custom Keyboard asks for nothing beyond the download.

UpkeepUpdate frequency

Science Custom Keyboard ships an update every 2 months, Hundred Schools Classics every 6 weeks. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

Scorecard2 real differences · 4 level
Science Custom Keyboard versus Hundred Schools Classics: the parameters behind the verdict, then further details
ParameterScience Custom KeyboardHundred Schools Classics
PriceFreeFree
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad — betteriPhone
Requires iOS17.517.0 — better
Further details — not scored
Size1 MB15 MB
Age rating4+4+
DeveloperNiarisakio kobayashi

In-app purchases

None

Science Custom Keyboard

No in-app purchases

2 purchases

Hundred Schools Classics

Subscriptions2
  • 支援プラン$1.991 Month
  • 支援プラン(年額)$19.991 Year

Questions

Is Science Custom Keyboard free?
Science Custom Keyboard is free to download, with no in-app purchases.
Is Hundred Schools Classics free?
Hundred Schools Classics is free to download, with in-app purchases available.
Do Science Custom Keyboard or Hundred Schools Classics have ads?
Hundred Schools Classics shows ads; Science Custom Keyboard does not.
Which is updated more often, Science Custom Keyboard or Hundred Schools Classics?
Science Custom Keyboard ships an update every 2 months, and Hundred Schools Classics every 6 weeks. Most recently, Science Custom Keyboard was updated on November 3, 2026 and Hundred Schools Classics on November 6, 2026.

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