---
title: "CITIZEN Calculator Pro — App Overview"
url: https://marlvel.ai/intel-report/tools/citizen-calculator-pro
category: Tools
developer: Everyday Calculation Apps
platforms: android
rating: 4.8 (746 ratings)
pricing: paid
report_level: overview
generated: 2026-04-18
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This app serves as a functional, paid emulator for users specifically seeking the interface and feature set of the Citizen CT-555 series.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Tools |
| Rating | 4.8 ★ (746) |
| Pricing | paid |
| Platforms | Android |
| Latest Version (Android) | 2.3.3 |
| Developer | Everyday Calculation Apps |

<!-- SECTION: Summary -->
## What is CITIZEN Calculator Pro?

CITIZEN Calculator Pro is a paid mobile emulator of the CT-555N and CT-555W calculator models. It provides business-focused functionality, including audit-ready verification tools and specialized financial calculations for professional use.

<!-- SECTION: Key Features -->
## Key Features

- **Check and Correct**: Allows users to verify long calculation sequences without the need to re-enter values.
- **Business Calculations**: Includes dedicated functions for tax, price mark-up, and mark-down calculations.
- **Auto Replay**: Automates the review of calculation steps to ensure accuracy in complex workflows.
- **Grand Total (GT)**: Maintains a running total of multiple calculations for efficient batch processing.

<!-- SECTION: Target Audience -->
## Who is it for?

Business professionals and individuals requiring a digital version of standard desktop calculators for accounting and general math tasks.

<!-- SECTION: Links -->
## Links

- [Google Play](https://play.google.com/store/apps/details?id=com.everydaycalculation.citizencalculator.pro&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/tools/citizen-calculator-pro)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/tools/citizen-calculator-pro).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*