Kalc vs Abjad日本語
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kalc
This utility app offers a unit converter, calculator, and world clock. Its user-friendly interface is designed for quick access to everyday calculations and conversions.
- Unit converter
- Calculator
- World clock
- Simple UI
- Quick results
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Unit Converter, Calculator, and World Clock. The simple & clean UI to get the results you need for everyday use as quickly as possible.
Abjad日本語
This input method simplifies typing Japanese by using a minimal alphabet and smart transliteration. It's designed for mobile with larger keys and concise layouts, making it ideal for learners and those seeking a more efficient typing experience.
- Minimal alphabet for faster learning
- Smart transliteration for kana combinations
- Mobile-optimized layout for accuracy
- Supports katakana and loanwords
- Fully private, on-device processing
- Beginner-friendly for alphabet users
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A revolutionary innovation of Japanese script and input method. Features Minimal alphabet — Fewer symbols, faster learning, less visual clutter. Smart transliteration — Type consonants first; the app intelligently maps them to correct kana combinations. Designed for mobile — Larger hit targets and concise layouts improve typing accuracy. Works with katakana & loanwords — Designed with foreign-sound transliteration in mind. Fully private — All processing happens on your device. Nothing is sent to servers. Beginner-friendly — Great for learners familiar with alphabet-based scripts but new to Japanese. Who is it for? Japanese learners who prefer alphabetic writing systems Users familiar with Arabic, Farsi, or Hebrew scripts Anyone wanting a cleaner, more efficient Japanese typing experience Creators and translators working with katakana loanwords A new way to type Japanese Solomon reduces complexity, speeds up typing, and offers a modern alternative to traditional IMEs. Whether you're messaging, taking notes, or studying Japanese, this input method brings clarity and simplicity to your keyboard.
Screenshots
Verdict
The clearest difference is rating: Abjad日本語 at 5.0 against Kalc's 4.7. Kalc's advantage is ratings volume (3 vs 1) and iOS requirement (13.4 vs 18.1). On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Abjad日本語 holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
Kalc ships an update every 9 days, Abjad日本語 every 6 days. The most recent releases landed on October 23, 2026 and October 30, 2026 respectively.
| Parameter | Kalc | Abjad日本語 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 96.2% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 9 days | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.4 — better | 18.1 |
| Further details — not scored | ||
| Size | 24 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | YUTA OKAJIMA | SHAOXIONG MENG |
In-app purchases
Kalc
No in-app purchases
Abjad日本語
No in-app purchases









