Color Calc+ vs ReadableCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Color Calc+
This utility app provides a straightforward calculator with a history of past computations. It also offers temperature conversion tools and the ability to easily copy the most recent result.
- Calculator
- Calculation history
- Temperature conversion
- Copy last result
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mColorCalc is a simple calculator that keeps history of past calculations. It also has temperature conversions and copy/paste of the last result.
ReadableCalc
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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
Verdict
The clearest difference is iOS requirement: ReadableCalc at 12.0 against Color Calc+'s 15.0. 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.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.
| Parameter | Color Calc+ | ReadableCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 58 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Jerry Watson | YONAGARE LAB |
In-app purchases
Color Calc+
No in-app purchases
ReadableCalc
No in-app purchases









