An editable calculation tape
Keep operations, notes, and subtotals visible. Review the steps when the data changes.
RollCalc Pro
Calculations and documents · Android
Every calculation.
Every step.
A tape calculator that keeps your reasoning visible. Edit steps, use formulas and variables, compare two results and prepare a PDF document.
Coming to Google Play
Offline · No account · No ads
Inside the app
A calculation you can reread.
From comparing alternatives to reusing templates, real app screens show how your work takes shape.
Compare A and B
View two calculations side by side to compare alternatives and results.
Start with a template
Reuse a calculation structure for repeating tasks.
More room on a tablet
View and edit the tape even on a larger screen.
Screenshots of the app in Italian
What you can do
The result matters.
The path too.
Formulas and variables
Name your values and use custom formulas to structure your calculations.
Comparisons and templates
Compare A/B tapes and reuse templates for recurring calculations.
Supporting documents
Read PDF files, Excel files and images, then export your work as a PDF.
Your work is always available
Calculation features work offline, with no account and no ads. An internet connection is required for purchases and subscription checks.
Getting started
Write, check, keep.
Open a calculation tape
Start with a new calculation or a ready-made template.
Build your calculation
Add operations, notes, variables, and subtotals. Compare two alternatives when needed.
Save or export
Keep the document and create a PDF to view or share.
Free and Pro
All the features you need.
Choose the limits that work for you.
Free includes all features with usage limits. Pro removes these limits with an annual subscription.
| Feature | Free | Pro |
|---|---|---|
| Tapes open at the same time | 3 | No Free plan limit |
| Supporting documents per tape | 1 PDF or 1 Excel | No Free plan limit |
| Images per tape | 1 | No Free plan limit |
| Variables per tape | 2 | No Free plan limit |
| Personal formulas in the app | 1 | No Free plan limit |
| Saved documents | Unlimited | Unlimited |
Optional Annual Subscription
Price and terms are shown on Google Play. Purchases and subscription verifications require a connection.
Available in Italian, English, French, German and Spanish.
Frequently Asked Questions
Things to know.
Do I need an account or an internet connection?
You can use the calculation functions offline and without an account. Connection is required to purchase Pro and for subscription verifications.
Does the Free version have advertising?
No. RollCalc Pro is also ad-free in the Free version, which includes all functions within the limits indicated.
Does the three-tape limit apply to saved documents?
No. The free limit applies to tapes opened at the same time. Saved documents are unlimited.
Where can I download the app?
The download page shows the latest status and available links for RollCalc Pro. You can also contact us for information about availability.
From numbers
to legible work.
Check availability or contact us to learn more about RollCalc Pro.