HIS電話 vs RubiMask
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HIS電話
This app enables users of specific HIS Mobile plans to make calls at a reduced rate of 11 yen per 30 seconds. It also offers optional plans for unlimited calls up to a certain duration per call, allowing users to retain their existing phone numbers.
- Reduced call charges
- Retain existing phone number
- Optional unlimited call plans
- Free calls up to 10 minutes per call (plan dependent)
- Low per-minute rates
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"HIS Phone" App allows customers using HIS Mobile's "Bitat! Plan", "Kimama Best Choice Plan", "Unlimited Call Plan" and "Net Pitatto Plan" to make a phone call at a low price. ・ By using "HIS Phone", the call charge is reduced to 11 yen / 30 seconds which is a half price compare to regular call charges. ・ You can use your current mobile phone number. The 090, 080, 070 number will be displayed to the recipient. ・ There is an additional option which allows you to make free calls under certain conditions. ■ For "Bita! Plan" users All-you-can-call for 10 minutes ・ Monthly fee 935 yen. Calls using "HIS Phone" are free for up to 10 minutes per call (11 yen / 30 seconds will be added if exceeded). ・ Need to log in to "My HIS mobile" and to apply. ■ For "Kimama Best Choice Plan" "Unlimited Call Plan" and "Net Pitatto Plan" users All-you-can-call for 5 minutes ・ Monthly fee 770 yen. Calls using "b-mobile Phone" are free for up to 5 minutes per call (11 yen / 30 seconds will be added if exceeded). ・ Need to log in to "My b-mobile" and to apply. All-you-can-call for 5 minutes is included in "Unlimited Call Plan".
RubiMask
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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
Verdict
The clearest difference is in-app purchases: HIS電話 at none against RubiMask's 3. HIS電話 also leads on ads (none vs shown) and iOS requirement (8.0 vs 17.0). RubiMask's advantage is update cadence (every 4 weeks vs every 6 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. HIS電話 asks for nothing beyond the download.
HIS電話 ships an update every 6 months, RubiMask every 4 weeks. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.
| Parameter | HIS電話 | RubiMask |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 6 months | Every 4 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 8.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 16 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | HIS Mobile Co., Ltd. | KeiK LLC |
In-app purchases
HIS電話
No in-app purchases
RubiMask
- RubiMask Premium$2.991 Month
- RubiMask Premium7 Days trial$11.991 Year
- RubiMask Premium$19.99









