Sales Tax Calculator vs its rivals

Side-by-side comparison against Sales Tax Calculator's closest competitors: identity, store metrics, ratings & sentiment, and strategic intel.

Core Identity
DeveloperAdam FahlmanIntuit Inc.KinkumaDesign
CategoryFinanceFinanceFinance
PlatformiOS, AndroidiOS, AndroidiOS, Android
Store Metrics
Rating4.8 / 54.8 / 54.9 / 5
Ratings Count5,191938,885199
PriceFreeFree$3.99
Release DateNov 19, 2010Dec 18, 2014Dec 18, 2015
Last UpdatedJun 20, 2024Apr 20, 2026May 3, 2026
Sentiment & Reviews
Sentimentmixedterriblemixed
Score45/10015/10035/100
Praises
  • Small business owners rely on the quick tax calculation to quote clients accurately on the go
  • The simple interface allows users to calculate final costs without performing complex mental math
  • Persistent tax settings allow users to save state rates for repeated use across different locations
  • Historical tax data retention provides long-term value for returning users across multiple filing years
  • Core calculator functionality provides reliable and fast arithmetic support for daily shopping and basic tasks
Complaints
  • Aggressive full-screen video advertisements interrupt the workflow and make the calculator difficult to use
  • Users report security concerns after receiving alerts that the app potentially compromises their device
  • The lack of a calculation history feature prevents users from verifying past prices before finalizing
  • Users report: predatory pricing and hidden fees surface post-update, causing users to feel deceived by free-filing claims
  • Post-update removal of the running total feature disrupts established workflows for power users and accountants
Requests
  • Users want a history feature to track previous calculations and verify accuracy before finalizing prices
  • A percentage sign on the calculator interface would improve usability for quick math tasks
  • Transparent pricing models are requested to prevent surprise charges during the final filing stage
  • Integration of advanced financial tools like currency converters and memory functions for professional calculation needs
Strategic Intel
Strengths
  • Custom tax rate saving functions as a retention barrier for recurring business users.
  • Geographic lookup utility provides a repeatable use case for retail transactions.
  • Seven-year historical data retention creates high switching costs
  • W-2 import automation reduces time-to-file by 30%
  • History tape reuse reduces friction for repeat financial tasks
  • Sales tax toggle drives high-intent usage in retail contexts
  • iPad multitasking support increases utility for power-user workflows
Weaknesses
  • Full-screen video ads block primary utility, driving negative sentiment.
  • Lack of calculation history prevents audit-heavy business workflows.
  • Security-related user alerts trigger immediate churn and damage brand trust.
  • Premium tier pricing sits above category median
  • 0.7★ Android-iOS rating gap indicates poor Android stability
  • Running total removal disrupts professional accounting workflows
  • UI scaling issues cause elements to exceed screen boundaries
  • Technical instability forces unexpected app closures during use
Pricingfreemiumfreemiumpaid
Momentum-ActiveMaintenance
Update Cadence-5 versions, 1 majors/6mo, ~8d avg5 versions, 3 majors/6mo, ~456d avg

Compare Sales Tax Calculator head-to-head

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Sales Tax Calculator, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Data licensed under CC-BY-NC 4.0