# CalcTape for Android

> CalcTape for Android – calculate for free with the calculator that keeps track: clear calculations, correctable afterwards, with comments and interim results.

- Language: English
- This page as HTML: https://www.calctape.com/en/calctape-android
- Updated: 2026-09-08

**Simple calculating on your Android device.**

- Price: free / 4.79 €
- Requirements: Android 8.0 or later
- Version: 7.0.5.1
- On Google Play: https://play.google.com/store/apps/details?id=de.sfr.calctape
- 4.6 ★ from 53,000 ratings on Google Play
- 1 M+ downloads of the Android app
- No account no sign-up, no cloud required

CalcTape for Android is a free calculator with an editable paper tape for phone and tablet: the arithmetic stays visible, you create interim results and correct any number or operation afterwards.

## Features

- Enter many calculation items in one go and keep the overview – like an adding machine.
- [Change any item afterwards](https://www.calctape.com/en/manual-android#edit-anything-at-any-time) – the whole calculation refreshes automatically.
- Use [interim results](https://www.calctape.com/en/manual-android#automatic-subtotals) to check and structure your calculation.
- [Comment your items](https://www.calctape.com/en/manual-android#comments-right-next-to-the-numbers) to give them sense and context.
- Handles the four basic arithmetic operations and [percentage calculations](https://www.calctape.com/en/manual-android#percentage-calculations).
- Free to use; with CalcTape Pro (in-app purchase) you get extra features such as [saving calculations to files](https://www.calctape.com/en/manual-android#7-documents), custom buttons and e-mail sharing.
- [Try Pro free for 10 days](https://www.calctape.com/en/manual-android#12-editions-free-eval-pro) – once, with the full feature set, no purchase and no subscription; the trial ends by itself.

## Screenshots

CalcTape on an Android phone – the app follows your device's light or dark mode.

- Your whole calculation stays visible – not just the result. – https://www.calctape.com/img/shots/en/android-calculation-light.webp
- Tap a figure, correct it, done – every result recalculates at once. – https://www.calctape.com/img/shots/en/android-edit-light.webp
- The second keypad K2: powers, root, reciprocal – plus ready-made keys for sales tax and tips. – https://www.calctape.com/img/shots/en/android-functions-light.webp
- Give your own keys their own formula – as many as you like in CalcTape Pro. – https://www.calctape.com/img/shots/en/android-custom-key-light.webp
- Save, organise and reopen your calculations any time – with CalcTape Pro. – https://www.calctape.com/img/shots/en/android-documents-light.webp

## Manuals

- [View manual](https://www.calctape.com/en/md/manual-android.md)