Comparison

ひらがなカメラ vs RubiMask

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

Head to head
About

ひらがなカメラ

Features
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かんじ を ひらがな に する!漢字が読めない、読むのに時間がかかる――そんな瞬間をゼロに。 「カメラで文字を認識 → ひらがな → 音声で読み上げ」までを、読み支援ツールです。縦書きの書籍・学校プリント・掲示物・役所の書類など、これまで読みづらかった場面でもスムーズに情報を得られます。通信を行わない完全オフライン処理で、プライバシーとレスポンスの両立を実現しました。 ◆ 主な機能 リアルタイムOCR カメラを向けた瞬間に文字を検出。横書きはもちろん、縦書き文章にも対応します。 漢字→ひらがな変換 / ふりがな表示 認識したテキストをすべてひらがなへ。単語ごとに分けたり、原文+ふりがな風に切り替えたりできます。 音声読み上げ(TTS) 読み上げ速度・声質を調整可能。長文でもバックグラウンドで読み続けられます。 履歴保存・共有 変換したテキストは履歴に自動保存。コピー/メモ/学習ノートへの転送もワンタップ。 完全オフライン設計 ネット接続がない環境でもOCR・変換・読み上げが動作。個人情報や機密文書を外部に送信しません。 アクセシビリティ配慮 ディスレクシアなど読字障害を持つ方、子ども、日本語学習者、シニアまで幅広く使えるよう、文字サイズ変更・ダークモード・VoiceOver 連携などを実装。 ◆ こんなシーンで活躍 学校や塾で配られるプリントの漢字が難しい 日本語学習中で、漢字の読みを素早く知りたい 小さな文字や装飾フォントが読みにくい 通信量やプライバシーの都合でクラウドOCRを避けたい すばやく“読み上げ”で内容だけ確認したい

About

RubiMask

Features
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【PDF & Photo to Text, Audio, Translation】OCR, translate, and read aloud — all in ONE app! Load scanned books, PDFs, or photos → OCR text extraction → translate → listen with text-to-speech or export audio files. Everything in one app. For vertical Japanese books, RubiMask auto-masks ruby (furigana) before OCR, so small phonetic characters never scramble your text — a unique feature for Japanese book digitization. PROBLEM SOLVED "OCR scrambles my Japanese text because furigana mixes with main characters..." "Scanned books have terrible text recognition accuracy..." "I want to listen to my books as audio..." "I need to translate a printed document I photographed..." KEY FEATURES 【Multilingual OCR】 - Specialized recognition for vertical Japanese text - Supports English, Chinese, Korean, French, German, Spanish, and many more - Choose the recognition language per document - Edit recognized text directly in-app - Real-time character change tracking - Automatically removes running headers and page numbers, recognizing body text only 【Auto Ruby Masking】(unique for vertical Japanese) - Automatically detects text columns in vertical Japanese - Calculates column spacing to mask only ruby areas - Robust on gray-paper scans and irregular layouts - Fully adjustable column width and pitch, tap-to-edit masks 【Enhanced Photo Import】 - Auto perspective correction for documents photographed at an angle - Rotate photos 90° left or right - Recognizes high-resolution photos (12MP+) at full quality 【Translation】 - Translate recognized text with one tap (iOS 17.4+) - Great for language learning and reading foreign documents 【Text to Speech】 - Listen to recognized text with natural voices - Export audio files (M4A) — turn books into audiobooks! - Adjustable speed and voice 【Multiple Export Formats】 - Text file (.txt) - Audio file (M4A) - PNG images (ZIP compression available) - Masked PDF output - Save directly to Photos - Export options: insert page breaks or join lines into sentences 【Convenience Features】 - App interface available in 35 languages - Sample PDFs in your language to try every feature - Margin masking (remove page numbers, headers) - Manual mask editing (drag & drop) - Undo/redo for mask editing - Project save/load for pause & resume - Pinch-to-zoom for precise adjustments PERFECT FOR - Digitizing paper books and rare editions - Extracting text from novels and documents - Preparing source text for translation - Creating furigana-free versions for Japanese learners - Converting books to audiobook format - Creating accessible text for screen readers - Reading printed foreign-language documents PREMIUM FEATURES - Remove all ads - Unlimited pages (free: 100 pages) - Unlimited project saves (free: 3 projects) - PDF export - Audio export (M4A) 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

ひらがなカメラ4 screens
RubiMask4 screens

Verdict

The call

The clearest difference is in-app purchases: ひらがなカメラ at none against RubiMask's 3. ひらがなカメラ also leads on ads (none vs shown). On price, 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. RubiMask sells 3 in-app purchases, starting at $2.99 per month. ひらがなカメラ asks for nothing beyond the download.

Scorecard2 real differences · 4 level
ひらがなカメラ versus RubiMask: the parameters behind the verdict, then further details
ParameterひらがなカメラRubiMask
PriceFreeFree
Update frequency—Every 4 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size2 MB26 MB
Age rating4+4+
DeveloperOFFICE MOVEKeiK LLC

In-app purchases

None

ひらがなカメラ

No in-app purchases

3 purchases

RubiMask

Subscriptions2
  • RubiMask Premium$2.991 Month
  • RubiMask Premium7 Days trial$11.991 Year
One-time1
  • RubiMask Premium$19.99

Questions

Is ひらがなカメラ free?
ひらがなカメラ is free to download, with no in-app purchases.
Is RubiMask free?
RubiMask is free to download, with in-app purchases available.
Do ひらがなカメラ or RubiMask have ads?
RubiMask shows ads; ひらがなカメラ does not.

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