Comparison

Touchless Countdown vs ReadableCalc

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

Head to head
About

Touchless Countdown

Features
Read full description

Countdown without touching *This app uses the proximity sensor located next to the front camera. The proximity sensor detects when your hand is close to the front camera, allowing you to operate the app without touching it. 1. Tap the button for the time (seconds) you want to count down. 2. Hold your hand near the front camera to start the countdown.

About

ReadableCalc

Features
Read full description

ReadableCalc is a calculator app that displays large numbersβ€”like 3 trillion 500 billionβ€”in readable units. It’s designed to make extremely large numbers more intuitive at a glance. Main Features β€’ Supports four basic operations (+, βˆ’, Γ—, Γ·) β€’ Displays results in English numeric units for easy readability β€’ Handles decimals and negative numbers β€’ DEL button for deleting one character at a time (Long press to clear the entire expression) β€’ Long press on expressions or results to copy β€’ Tap on the β€œreadable” result to toggle display between: β€’ Short scale / Long scale / Kanji numerals Additional features in landscape mode: β€’ β€œ00”, β€œ000”, and β€œ0000” buttons for quickly adding zeros β€’ β€œx²” and β€œx³” buttons for quick exponentiation Note: β€’ Numbers exceeding 200 digits may be rounded due to calculation and display limitations. Please be cautious if you need high precision. β€’ Short scale and Long scale support numbers up to 10^198. β€’ Kanji numeral display supports up to 10^72. Larger numbers are shown in Arabic numerals instead.

Screenshots

Touchless Countdown1 screens
ReadableCalc3 screens

Verdict

The call

The clearest difference is ads: ReadableCalc at none against Touchless Countdown's shown. ReadableCalc also leads on iOS requirement (12.0 vs 15.8.3). On price, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Touchless Countdown ships an update fortnightly, ReadableCalc weekly. The most recent releases landed on September 29, 2026 and September 20, 2026 respectively.

Scorecard2 real differences Β· 4 level
Touchless Countdown versus ReadableCalc: the parameters behind the verdict, then further details
ParameterTouchless CountdownReadableCalc
PriceFreeFree
Update frequencyFortnightlyWeekly β€” better
AdsYesNo β€” better
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS15.8.312.0 β€” better
Further details β€” not scored
Size36 MB28 MB
Age rating4+4+
DeveloperHideaki UchikoshiYONAGARE LAB

In-app purchases

None

Touchless Countdown

No in-app purchases

None

ReadableCalc

No in-app purchases

Questions

Is Touchless Countdown free?
Touchless Countdown is free to download, with no in-app purchases.
Is ReadableCalc free?
ReadableCalc is free to download, with no in-app purchases.
Do Touchless Countdown or ReadableCalc have ads?
Touchless Countdown shows ads; ReadableCalc does not.
Which is updated more often, Touchless Countdown or ReadableCalc?
Touchless Countdown ships an update fortnightly, and ReadableCalc weekly. Most recently, Touchless Countdown was updated on September 29, 2026 and ReadableCalc on September 20, 2026.

Other comparisons