BIGTXT vs ReadableCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BIGTXT
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Fullscreen Text, No Clutter BIGTXT helps you display text in the largest size possible, making it easy to communicate when speaking isn’t an option. Ideal for users who can’t speak or need a simple way to show messages. • Fullscreen text in one tap • Mirror mode for reflections • Four color themes for visibility • Perfect for tourists to show messages in a foreign language • Easy to read for users with low vision or other visual impairments No ads, no distractions—just text.
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 device support: ReadableCalc at 3 against BIGTXT's 1. ReadableCalc also leads on iOS requirement (12.0 vs 16.0). On price, 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.
| Parameter | BIGTXT | ReadableCalc |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Aleksandr Doloz | YONAGARE LAB |
In-app purchases
BIGTXT
No in-app purchases
ReadableCalc
No in-app purchases









