Sales Tax Calculator is a retail math utility for iOS that handles multi-level tax stacking, discount application, and reverse price calculations.
The App DNA
What makes this app unique?
The app removes the cognitive friction of calculating final out-the-door prices in complex tax jurisdictions where state, county, and city rates overlap.
For Shoppers and retail workers requiring rapid, accurate verification of final prices in complex tax jurisdictions.
What does it look like?
Key features
Applies up to three distinct tax rates simultaneously to a single subtotal.
Calculates the pre-tax subtotal when only the final out-the-door price is known.
How much does it cost?
The freemium model gates advanced features like custom rates behind in-app purchases while keeping core retail math free.
Velocity
Maintenance developmentperformanceShow more...
The app maintains a maintenance-level cadence, with only one release shipped in the last 28 days. Development is currently focused exclusively on minor stability improvements rather than new features or content. The release history shows no evidence of active feature development or live operations. This stable, low-frequency update pattern suggests a focus on long-term support rather than active growth.
Who built it?
monkeyLabs
4 apps tracked · Finance
User Sentiment
What do users think recently?
Review voice lately leans mixed. Users appreciate the simple and intuitive interface allows users to calculate sales tax and discounts with high accuracy and retail workers and shoppers rely on the app to verify store pricing and avoid calculation errors.
How are ratings & reviews evolving?
What users say, by theme
- The simple and intuitive interface allows users to calculate sales tax and discounts with high accuracy
- Retail workers and shoppers rely on the app to verify store pricing and avoid calculation errors
- Full-screen advertisements that lack a close button prevent users from accessing the calculator interface entirely
49 of 49 recent reviews analyzed · high confidence · Mixed overall
Read the full review analysisUnlock 1 more frustration theme and 1 user request, each backed by review evidence.
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Competitive landscape for Sales Tax Calculator >
How's the Finance market?
Sales Tax Calculator maintains a 4.78 rating across 2,515 total ratings, positioning it as a reliable utility in the Finance category. The lack of major feature updates in the last six months suggests a mature product lifecycle focused on maintenance rather than aggressive market expansion.
Read the market outlookThe rivals identified
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Key takeaways for Sales Tax Calculator >
Where is it heading?
The utility market is consolidating around stable, ad-light experiences, leaving Sales Tax Calculator exposed due to its current stability regressions. Restoring basic functionality is the only path to preventing further rating erosion in the coming quarter.
- Persistent launch crashes following recent system updates prevent tool access, eroding the daily active habit.
- Non-dismissible advertisements blocking the interface lead to negative sentiment, which compounds the churn pressure on the user base.
The SWOT
- Multi-tax stacking logic supports complex local jurisdictions
- Reverse price calculation enables receipt auditing for retail workers
- Adding a tax-before-discount toggle would resolve top user feature requests
Next best moves
Audit ad-placement logic because non-dismissible ads block the calculator interface → reduce churn
+ 1 more prioritized moveThe counter-intuitive read
The app's maintenance-mode status is a competitive advantage…
Read the full takeSince the last report: The app's functional state remains unchanged, with no new features or performance improvements. The primary shift is a re-evaluation of the maintenance-mode strategy, which is now framed as a potential benefit rather than a purely negative risk.
Bottom line
Resolving the launch crashes and ad-blocking behavior would stabilize the core utility, which currently suffers from high churn risk due to accessibility failures.
Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeSources
- [1] App Store, source
Report last updated