---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Sales Tax Calculator >"
developer_entity: "monkeyLabs Inc."
bundle_id: "mobi.monkeylabs.SalesTax"
app_store_id: "737369063"
category: "Finance"
primary_platform: "ios"
primary_monetization: "Freemium"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2026-07-22"
report_date: "2026-08-19"
last_verified: "2026-08-19T00:00:00.000Z"
report_version: "6.5.1"
total_reviews: 2515
overall_rating: 4.8
sentiment: "Mixed"
sentiment_score: 45
confidence: "medium"
confidence_score: 0.55
top_praise_theme: "The simple and intuitive interface allows users to calculate sales tax and discounts with high accuracy"
top_complaint_theme: "Full-screen advertisements that lack a close button prevent users from accessing the calculator interface entirely"
review_sample_size: 49
total_review_count: 49
analyzed_review_count: 49
data_age_days: 20
momentum_velocity: "maintenance"
intelligence_version: 3
tags: ["finance", "freemium", "mixed sentiment", "mobile app", "app review", "app analysis", "shoppers", "retail", "workers"]
canonical_url: "https://marlvel.ai/apps/sales-tax-calculator-2"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

## ⚠ Content Warning

This report covers topics classified as sensitive (finance). Information is aggregated from public sources for informational purposes only. This is not financial or investment advice. Always do your own research.

---

# Sales Tax Calculator > Intelligence Report

## TL;DR {#tldr}

- **Category**: Finance · Freemium
- **Signal**: Rating 4.78 · Sentiment Mixed
- **Recent focus**: Full-screen advertisements that lack a close button prevent users from accessing the calculator interface entirely (top complaint) · The simple and intuitive interface allows users to calculate sales tax and discounts with high accuracy (top praise)

> **TL;DR:** Sales Tax Calculator > is a finance app by monkeyLabs Inc., rated 4.78/5 by 2.5K users, with Mixed user sentiment (45/100), available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Sales Tax Calculator > shows Mixed sentiment (4.78/5 from 2.5K reviews) - users praise the simple and intuitive interface allows users to calculate sales tax and discounts with high accuracy but report issues with full-screen advertisements that lack a close button prevent users from accessing the calculator interface entirely.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.78/5 (2.5K reviews) |
| **User Mood** | Mixed |
| **Category** | Finance |
| **Developer** | monkeyLabs Inc. |
| **Pricing** | Freemium |
| **Platforms** | iOS |
| **Confidence** | Medium (0.55/1.0) |
| **Data Age** | 20d |

## Metadata & Market Performance
- **Publisher:** monkeyLabs Inc.
- **Category:** Finance
- **Target Audience:** Shoppers and retail workers requiring rapid, accurate verification of final prices in complex tax jurisdictions.
- **Platforms:** iOS
- **Version Reviewed:** 6.5.1
- **Report Date:** 2026-08-19
- **Signal Count:** 49 reviews analyzed
- **Confidence:** Medium (0.55/1.0)
- **App Store ID (iOS):** 737369063
- **Bundle ID:** mobi.monkeylabs.SalesTax
- **Performance Trend:** Stable
- **Data Window:** Analysis based on signals collected up to 2026-08-19

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Sales Tax Calculator is a retail math utility for iOS that handles multi-level tax stacking, discount application, and reverse price calculations.
**Why users hire it:** The app removes the cognitive friction of calculating final out-the-door prices in complex tax jurisdictions where state, county, and city rates overlap.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Multi-Tax Calculation:** Applies up to three distinct tax rates simultaneously to a single subtotal.
- **[Differentiator] Reverse Price Calculation:** Calculates the pre-tax subtotal when only the final out-the-door price is known.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

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.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Freemium
- **Tiers:** Free version, Optional premium features via in-app purchase
- **Analysis:** The freemium model gates advanced features like custom rates behind in-app purchases while keeping core retail math free.

<!-- section:sentiment -->
## 🟡 User Sentiment (Medium Confidence: 49 of 49 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.78/5
- **Platform Split:** iOS 4.8/5 (2.5K ratings)
- **Overall Sentiment:** Mixed

### Top Praises
- **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**

### Top Complaints (Impact Areas)

- **Full-screen advertisements that lack a close button prevent users from accessing the calculator interface entirely**

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Multi-tax stacking logic supports complex local jurisdictions
- Reverse price calculation enables receipt auditing for retail workers

**Growth Levers:**
- Adding a tax-before-discount toggle would resolve top user feature requests


<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

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.

**Overall trend**: Stable
**Compared at**: 2026-08-19

### Medium-impact changes
- **[Shifted] Contrarian Take Re-evaluation** (positioning)
- **[Added] New Competitive Threat** (swot)

<!-- section:whats-new -->
## What's New

- **Latest (v6.5.1, 4 weeks ago):** Addressed minor bugs to improve stability.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Maintenance) {#momentum}

- Ships only minor stability bug fixes.
- Maintains maintenance-mode release cadence.

> **Cadence:** 1 total versions · 0 majors in last 6 months · 28 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Sales Tax Calculator > is a finance app that is free with in-app purchases.
With a 4.78/5 rating from 2.5K reviews, it shows mixed user reception.

<!-- speakable-start -->
> **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.
<!-- speakable-end -->

**Best for:** Shoppers and retail workers requiring rapid, accurate verification of final prices in complex tax jurisdictions.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [PIVOT] Audit ad-placement logic because non-dismissible ads block the calculator interface → reduce churn
<!-- /section:pm-actions -->

<!-- section:outlook -->
### Outlook: Declining

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.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.78/5 |
| Total Reviews | 2.5K |
| Sentiment | Mixed (45/100) |
| Confidence | Medium |
| Pricing Model | Freemium |
| Platforms | iOS |
| Key Features | 2 analyzed |
| Trend | Stable |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Sales Tax Calculator >** (this app) | 4.78/5 | Mixed | monkeyLabs Inc. |
| [Polymarket](https://marlvel.ai/apps/polymarket) | 4.1/5 | n/a | Polymarket |
| [ATLAS:EARTH - Fun Cashback!](https://marlvel.ai/apps/atlas-earth-fun-cashback) | 4.4/5 | n/a | Atlas Reality, Inc. |
| [Fidelity Investments](https://marlvel.ai/apps/fidelity-investments) | 4.5/5 | n/a | Fidelity Investments |
| [Kalshi: Trade Events & Sports](https://marlvel.ai/apps/kalshi-trade-news-sports) | 4.7/5 | n/a | KalshiEX LLC |
| [Webull: Investing & Trading](https://marlvel.ai/apps/webull-investing-trading) | 4.6/5 | n/a | Webull Technologies Pte. Ltd. |

## Company Profile
- **Developer:** monkeyLabs Inc.
- **Website:** [https://monkeylabs.mobi](https://monkeylabs.mobi)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/sales-tax-calculator/id737369063?uo=4)
- **Dev Site:** [Official Website](https://monkeylabs.mobi)
- **Sources:** Developer website content, App store metadata, User reviews.

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- [*ATLAS:EARTH - Fun Cashback!*](https://marlvel.ai/apps/atlas-earth-fun-cashback) (Atlas Reality, Inc.) · 4.4/5 Rating
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## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes).
4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.55/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 49
- **Data Sources:** user reviews, developer website, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 20 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/sales-tax-calculator-2)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.