康軒AR四季星空 vs RubiMask
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
康軒AR四季星空
Read full descriptionHide full description
AR四季星空學習特色: 1.透過360實境星空觀察當季星座 2.可聆聽星座故事加深學習印象 *配合國小自然教材認識春、夏、秋、冬等季節的主要星星與星座,聆聽星座故事加深學習印象。
RubiMask
Read full descriptionHide full description
Read books in any language — in your own language. Point your camera at a page, select a passage, and RubiMask translates it and reads it aloud. Tap any word to see what it means. Japanese novels, Chinese web fiction, English paperbacks, manga, textbooks, printed handouts: if it's on a page, you can read it. HOW IT WORKS 1. Scan a page with the camera, or open a photo or PDF 2. Drag over the passage you want to read 3. Listen to the translation — then tap words to learn them KEY FEATURES 【Translate Any Page】 - Detects the book's language automatically - Translates on your device with Apple's translation engine - Reads the translation aloud automatically, or plays the original for listening practice - Books already in your language are read aloud without translating 【Tap a Word, Get the Meaning】 - Every word in the passage is tappable - Shows the reading (hiragana for Japanese, pinyin for Chinese) and a quick translation - Look words up in the built-in iOS dictionary - On devices with Apple Intelligence, see what the word means in this exact sentence 【Made for Real Books】 - Built-in document scanner straightens and crops pages - Pinch to zoom in on small print, then select precisely - Vertical Japanese text supported, with furigana (ruby) ignored so it doesn't scramble the text - Save your book and pick up where you left off 【Furigana Masking & OCR Tools】 - Automatically mask furigana on vertical Japanese books - Extract text from PDFs and photos in many languages - Export as text, masked PDF, images, or audio (M4A) PERFECT FOR - Reading books in a language you're learning - Enjoying Japanese novels and manga before they're translated - Understanding textbooks, handouts, and printed documents - Listening to a page instead of reading it FREE & PREMIUM Free: 20 reads per day, and word meanings are always free. Premium: - Unlimited reading - Remove all ads - Unlimited pages (free: 100 pages) - Unlimited project saves (free: 3 projects) - PDF export - Audio export (M4A) Automatic translation requires iOS 18 or later. "In this sentence" meanings require a device with Apple Intelligence. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://keik.co.jp/rubimask/privacy-en.html
Screenshots
Verdict
The clearest difference is in-app purchases: 康軒AR四季星空 at none against RubiMask's 3. 康軒AR四季星空 also leads on ads (none vs shown) and iOS requirement (11.0 vs 17.0). RubiMask's advantage is update cadence (every 2 weeks vs every 42 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
Both are free to download. RubiMask sells 3 in-app purchases, starting at $2.99 per month. 康軒AR四季星空 asks for nothing beyond the download.
康軒AR四季星空 ships an update every 42 months, RubiMask every 2 weeks. Both last shipped on October 25, 2026.
| Parameter | 康軒AR四季星空 | RubiMask |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 42 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 160 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | 康軒文教事業 | KeiK LLC |
In-app purchases
康軒AR四季星空
No in-app purchases
RubiMask
- RubiMask Premium$2.991 Month
- RubiMask Premium7 Days trial$11.991 Year
- RubiMask Premium$19.99









