Comparison

電卓 水色 vs ReadableCalc

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

Head to head
About

電卓 水色

Features
Read full description

シンプルな水色電卓です。

About

ReadableCalc

Features
Read full description

ReadableCalc is a calculator app that displays large numbers—like 3 trillion 500 billion—in readable units. It’s designed to make extremely large numbers more intuitive at a glance. Main Features • Supports four basic operations (+, −, ×, ÷) • Displays results in English numeric units for easy readability • Handles decimals and negative numbers • DEL button for deleting one character at a time (Long press to clear the entire expression) • Long press on expressions or results to copy • Tap on the “readable” result to toggle display between: • Short scale / Long scale / Kanji numerals Additional features in landscape mode: • “00”, “000”, and “0000” buttons for quickly adding zeros • “x²” and “x³” buttons for quick exponentiation Note: • Numbers exceeding 200 digits may be rounded due to calculation and display limitations. Please be cautious if you need high precision. • Short scale and Long scale support numbers up to 10^198. • Kanji numeral display supports up to 10^72. Larger numbers are shown in Arabic numerals instead.

Screenshots

電卓 水色1 screens
ReadableCalc3 screens

Verdict

The call

The clearest difference is ads: ReadableCalc at none against 電卓 水色's shown. ReadableCalc also leads on update cadence (weekly vs every 46 months) and iOS requirement (12.0 vs 15.0). On price, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

電卓 水色 ships an update every 46 months, ReadableCalc weekly. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 3 level
電卓 水色 versus ReadableCalc: the parameters behind the verdict, then further details
Parameter電卓 水色ReadableCalc
PriceFreeFree
Update frequencyEvery 46 monthsWeekly — better
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size19 MB28 MB
Age rating4+4+
Developerkota tadaYONAGARE LAB

In-app purchases

None

電卓 水色

No in-app purchases

None

ReadableCalc

No in-app purchases

Questions

Is 電卓 水色 free?
電卓 水色 is free to download, with no in-app purchases.
Is ReadableCalc free?
ReadableCalc is free to download, with no in-app purchases.
Do 電卓 水色 or ReadableCalc have ads?
電卓 水色 shows ads; ReadableCalc does not.
Which is updated more often, 電卓 水色 or ReadableCalc?
電卓 水色 ships an update every 46 months, and ReadableCalc weekly. Most recently, 電卓 水色 was updated on October 12, 2026 and ReadableCalc on October 7, 2026.

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