VerticalChinese vs Least Common Multiple PRO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VerticalChinese
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Vertical Chinese is a calm, beautiful place to read classical Chinese (文言) — and a built-in dictionary that helps you understand every character. Read the Daodejing, the Analects, Mencius, Zhuangzi, Tang poetry, Records of the Grand Historian, and more — 250+ foundational texts, laid out vertically and character by character, the way they were written. READ • Vertical, character-by-character layout with a steady pinyin gutter • Toggle Traditional 繁 / Simplified 简, pinyin 拼, and English 英 • 聽書 read-aloud (audiobook) mode, plus per-word pronunciation • Warm rice-paper design, with light & dark themes UNDERSTAND — a dictionary built in • Tap any character for pinyin, meaning, and animated stroke order • Full CC-CEDICT word lookup — search by character, pinyin, or English • Radical index to find characters you can't type • Example sentences with pinyin and English REMEMBER • Save any character or word with a tap • Spaced-repetition flashcards (練習) to review what you save • Track your progress from carp to dragon — 鯉躍龍門
Least Common Multiple PRO
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Finish your homework instantly. Prepare for exams without stress. Complete step-by-step solutions. Enter your numbers and calculate the least common multiple (LCM). HOW IT WORKS Enter your numbers into the appropriate fields and get started. You'll receive the solution instantly and can share it with friends or classmates. YOUR PERSONAL DATA We don't need it. Only anonymous data is collected, for example: - which features are used - how many solutions are generated This helps us improve the app. It is not possible to identify you from this data. EXTRAS - Prime factorization - Using multiples - Curated learning videos - Feedback for incorrect input - Manage your own solutions - App introduction CONTACT Questions and feedback are always welcome via Discord or directly in the app review.
Screenshots
Verdict
The clearest difference is price: VerticalChinese at Free against Least Common Multiple PRO's $1.99. Least Common Multiple PRO's advantage is update cadence (weekly vs every 18 months) and device support (3 vs 1). On ads and in-app purchases 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
VerticalChinese is free to download; Least Common Multiple PRO costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
VerticalChinese ships an update every 18 months, Least Common Multiple PRO weekly. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.
| Parameter | VerticalChinese | Least Common Multiple PRO |
|---|---|---|
| Price | Free — better | $1.99 |
| Update frequency | Every 18 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.2 | 15.0 — better |
| Further details — not scored | ||
| Size | 52 MB | 179 MB |
| Age rating | 4+ | 4+ |
| Developer | Digital X Prairie LLC | Glindemann, Sennoun, Langer GbR |
In-app purchases
VerticalChinese
No in-app purchases
Least Common Multiple PRO
No in-app purchases
Questions
Is VerticalChinese free?
Is Least Common Multiple PRO free?
Do VerticalChinese or Least Common Multiple PRO have ads?
Which is updated more often, VerticalChinese or Least Common Multiple PRO?
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