Report updated Apr 18, 2026

Overview · Full Intel report in progress

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CITIZEN Calculator Pro is an established tools app that is a paid app. With a 4.8/5 rating from 746 reviews, it shows polarized user reception.

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.

Current Momentum

v2.3

Bug-fixes and minor improvements

AI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.

Competition

Rivals identification in progress

7-Day Rank Pulse 🇺🇸

Tools

No ranking data

ToolsGrossing

Rating Pulse 🇺🇸

What makes this app unique?

What Does It Look Like?

How Is The App's Momentum Right Now?

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What Are The Key Features?

Check and CorrectStandard

Allows users to verify long calculation sequences without the need to re-enter values.

Business CalculationsStandard

Includes dedicated functions for tax, price mark-up, and mark-down calculations.

Auto ReplayStandard

Automates the review of calculation steps to ensure accuracy in complex workflows.

Grand Total (GT)Standard

Maintains a running total of multiple calculations for efficient batch processing.

How much does it cost?

Paid

Who Built It?

tasser gyati app icon 1
tasser gyati app icon 2
tasser gyati app icon 3
tasser gyati app icon 4

tasser gyati

(273.6K)

Providing accessible, specialized calculation tools for business, finance, and daily utility. Simplifying complex arithmetic for professionals and general users alike.

Portfolio

12

Apps

Free 9Paid 2
Tools36%
Productivity18%
Utilities18%

Who is tasser gyati?

The publisher has established a clear niche by digitizing the functionality of legacy desktop calculators, specifically targeting the 'running total' logic preferred by retail and accounting professionals. By focusing on high-utility, single-purpose tools rather than broad-spectrum productivity suites, they maintain a high degree of user retention within a crowded utility category. Their strategic focus remains on replicating the tactile, predictable experience of physical hardware, which serves as a functional moat against more complex, feature-bloated competitors.

Who is tasser gyati for?

  • Business professionals
  • Retail owners
  • Students requiring reliable
  • Traditional-style arithmetic
Intense

Portfolio momentum

Released 13 updates across 8 active apps in the last 6 months, indicating a highly active development cycle.

Last release · 54d agoActive apps · 8

Analysis in progress, available soon

What do users think recently?

Analysis in progress, available soon

Analysis in progress, available soon

What is the competitive landscape for CITIZEN Calculator Pro?

How's The Tools Market?

Market outlook for this category

Available very soon

Strategic analysis coming soon

SWOT, key takeaways & outlook

The outtake for CITIZEN Calculator Pro

Key Takeaways

This app serves as a functional, paid emulator for users specifically seeking the interface and feature set of the Citizen CT-555 series.

Where Is It Heading?

Trend analysis

Available very soon

Disclosure

Independent intel to help builders create better apps.

AI-powered analysis with editorial review, built from publicly available sources. See methodology.

Marlvel.ai is not affiliated with, endorsed by, or sponsored by CITIZEN Calculator Pro, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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Cite this report

Marlvel.ai. “CITIZEN Calculator Pro Intelligence Report.” Updated Apr 18, 2026. https://marlvel.ai/intel-report/tools/citizen-calculator-pro

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