Comparison

Kalc vs Abjad日本語

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

Head to head
About

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.

Highlights
  • Unit converter
  • Calculator
  • World clock
  • Simple UI
  • Quick results
Features
Read full description

Unit Converter, Calculator, and World Clock. The simple & clean UI to get the results you need for everyday use as quickly as possible.

About

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.

Highlights
  • 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
Features
Read full description

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

Kalc4 screens
Abjad日本語4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Kalc versus Abjad日本語: the parameters behind the verdict, then further details
ParameterKalcAbjad日本語
PriceFreeFree
Rating4.7 (3 ratings)5.0 (1 ratings) — better
Positive reviews96.2% of reviews—
Number of ratings3 — better1
Update frequencyEvery 9 daysEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.4 — better18.1
Further details — not scored
Size24 MB13 MB
Age rating4+4+
DeveloperYUTA OKAJIMASHAOXIONG MENG

In-app purchases

None

Kalc

No in-app purchases

None

Abjad日本語

No in-app purchases

Questions

Is Kalc free?
Kalc is free to download, with no in-app purchases.
Is Abjad日本語 free?
Abjad日本語 is free to download, with no in-app purchases.
Which has better reviews, Kalc or Abjad日本語?
Abjad日本語 is rated higher. Kalc averages 4.7 out of 5 from 3 ratings, while Abjad日本語 averages 5.0 from 1 ratings.
Do Kalc or Abjad日本語 have ads?
Neither Kalc nor Abjad日本語 shows ads.
Which is updated more often, Kalc or Abjad日本語?
Kalc ships an update every 9 days, and Abjad日本語 every 6 days. Most recently, Kalc was updated on October 23, 2026 and Abjad日本語 on October 30, 2026.

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