Report updated Apr 16, 2026

Overview · Full Intel report in progress

OneCalc: All-in-one Calculator is an established productivity app that is free with in-app purchases. With a 4.6/5 rating from 10.2K reviews, it shows polarized user reception.

What is OneCalc: All-in-one Calculator?

OneCalc is a multi-purpose utility app for iOS that consolidates over 40 specialized calculators and unit converters into a single interface. It targets users needing a comprehensive toolset for finance, health, construction, and general mathematics. The app distinguishes itself by offering both standard and scientific modes alongside specific financial and health-tracking modules.

Current Momentum

v1.6 · 3mo ago

Steady

Last updated 111d ago. 5 versions tracked.

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 🇺🇸

Productivity

No ranking data

Rating Pulse 🇺🇸

What makes this app unique?

What Does It Look Like?

How Is The App's Momentum Right Now?

Loading...

What Are The Key Features?

Scientific CalculatorStandard

Provides advanced mathematical functions including trigonometry, roots, exponents, and logarithms.

Financial SuiteStandard

Includes tools for simple and compound interest, loan amortization schedules, savings projections, and currency conversion.

Unit ConverterStandard

Supports conversions between metric and imperial units for temperature, length, weight, area, and volume.

Health TrackersStandard

Features built-in calculators for monitoring body metrics such as BMI and calorie expenditure.

How much does it cost?

Freemium

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

(269.1K)

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

Portfolio

12

Apps

Free 8Paid 3
Tools45%
Utilities18%
Education18%

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 OneCalc: All-in-one Calculator?

How's The Productivity Market?

Market outlook for this category

Available very soon

Strategic analysis coming soon

SWOT, key takeaways & outlook

The outtake for OneCalc: All-in-one Calculator

Key Takeaways

While the app offers a broad range of functional tools, user feedback highlights significant dissatisfaction regarding intrusive advertising and the current monetization model.

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 OneCalc: All-in-one Calculator, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Hope this helps & keep building! · Found an error?

What's new in this report

No changes detected yet.

Cite this report

Marlvel.ai. “OneCalc: All-in-one Calculator Intelligence Report.” Updated Apr 16, 2026. https://marlvel.ai/intel-report/productivity/onecalc-all-in-one-calculator

Agent Markdown (.md)·

Data licensed under CC-BY-NC 4.0