## ⚠ 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.

---
last_verified: "2026-05-20T01:02:34.083Z"
---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Fast Percent - Calculator Tool"
developer_entity: "John Benson"
bundle_id: "co.uk.john-benson.quickPercent"
app_store_id: "812021371"
category: "Finance"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2022-04-24"
report_date: "2026-05-20"
last_verified: "2026-05-20"
report_version: "2.7"
total_reviews: 408
overall_rating: 4.54
confidence: "low"
confidence_score: 0.2
data_age_days: 0
momentum_velocity: "zombie"
intelligence_version: 2
tags: ["finance", "free", "mobile app", "app review", "app analysis", "shoppers", "retail", "consumers"]
canonical_url: "https://marlvel.ai/intel-report/finance/co-uk-john-benson-quickpercent"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Fast Percent - Calculator Tool App Audit

## TL;DR {#tldr}

- **Category**: Finance · Free
- **Signal**: Rating 4.54

> **TL;DR:** Fast Percent - Calculator Tool is a finance app by John Benson, rated 4.54/5 by 408 users, available on iOS.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Fast Percent - Calculator Tool is a finance app by John Benson.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.54/5 (408 reviews) |
| **Category** | Finance |
| **Developer** | John Benson |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Low (0.2/1.0) |
| **Data Age** | 0d |

## Metadata & Market Performance
- **Publisher:** John Benson
- **Category:** Finance
- **Target Audience:** Shoppers and retail consumers who require rapid, on-the-go percentage calculations.
- **Platforms:** iOS
- **Version Audited:** 2.7
- **Audit Date:** 2026-05-20
- **Signal Count:** 2 reviews analyzed
- **Confidence:** Low (0.2/1.0)
- **App Store ID (iOS):** 812021371
- **Bundle ID:** co.uk.john-benson.quickPercent
- **Data Window:** Analysis based on signals collected up to 2026-05-20

<!-- section:executive-snapshot -->
## Executive Snapshot
Fast Percent is a utility tool designed to streamline percentage calculations through a simplified interface with large buttons and hot keys. It is marketed as a quick solution for retail environments, allowing users to calculate discounts and price adjustments without navigating complex menus.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Percentage Calculation Modes:** Supports multiple calculation types including percentage off, percentage of, and percentage on a value.
- **[Standard] Price Reversal Tools:** Calculates original prices before a percentage increase or reduction was applied.
- **[Standard] Simplified Interface:** Features large input buttons and hot keys to minimize interaction time during quick calculations.
<!-- /section:features -->

## Monetization Strategy
- **Model:** Free

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

Last updated 1486d ago. 5 versions tracked.

> **Cadence:** 5 total versions · 0 majors in last 6 months · 1486 days since last update

<!-- /section:momentum -->

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

Fast Percent - Calculator Tool is an established finance app that is completely free.
With a 4.54/5 rating from 408 reviews, it shows polarized user reception.

<!-- speakable-start -->
> **Bottom Line:** The app prioritizes speed and ease of use for basic retail math, though users have noted a need for improved error correction and ad management.
<!-- speakable-end -->

**Best for:** Shoppers and retail consumers who require rapid, on-the-go percentage calculations.

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.54/5 |
| Total Reviews | 408 |
| Confidence | Low |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 3 analyzed |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Fast Percent - Calculator Tool** (this app) | 4.54/5 | N/A | John Benson |
| [Polymarket](https://marlvel.ai/intel-report/finance/polymarket) | 3.3/5 | Upset | Polymarket |
| [Fidelity Investments](https://marlvel.ai/intel-report/finance/fidelity-investments) | 4.5/5 | Frustrated | Fidelity Investments |
| [Webull: Investing & Trading](https://marlvel.ai/intel-report/finance/webull-investing-trading) | 4.6/5 | N/A | Webull Technologies Pte. Ltd. |
| [Kalshi: Trade News & Sports](https://marlvel.ai/intel-report/finance/kalshi-trade-news-sports) | 4.7/5 | Excited | KalshiEX LLC |
| [TurboTax: File Your Tax Return](https://marlvel.ai/intel-report/finance/com-intuit-turbotax) | 4.3/5 | Upset | Intuit Inc. |

## Company Profile
- **Developer:** John Benson
- **Website:** [https://www.mushroomapps.co.uk](https://www.mushroomapps.co.uk)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/ie/app/fast-percent-calculator-tool/id812021371?uo=2)
- **Dev Site:** [Official Website](https://www.mushroomapps.co.uk)
- **Sources:** App store metadata, User reviews.

## Related Intel Reports
- [*Polymarket*](https://marlvel.ai/intel-report/finance/polymarket) (Polymarket) — 3.3/5 Rating | Terrible Sentiment
- [*Fidelity Investments*](https://marlvel.ai/intel-report/finance/fidelity-investments) (Fidelity Investments) — 4.5/5 Rating | Negative Sentiment
- [*Webull: Investing & Trading*](https://marlvel.ai/intel-report/finance/webull-investing-trading) (Webull Technologies Pte. Ltd.) — 4.6/5 Rating | N/A Sentiment
- [*Kalshi: Trade News & Sports*](https://marlvel.ai/intel-report/finance/kalshi-trade-news-sports) (KalshiEX LLC) — 4.7/5 Rating | Positive Sentiment
- [*TurboTax: File Your Tax Return*](https://marlvel.ai/intel-report/finance/com-intuit-turbotax) (Intuit Inc.) — 4.3/5 Rating | Terrible Sentiment
- [*hurdlr*](https://marlvel.ai/intel-report/finance/hurdlr) (Reuben Omolu) — 4.3/5 Rating | N/A Sentiment
- [*365-day savings plan-Easy Goal*](https://marlvel.ai/intel-report/finance/365-day-savings-plan-easy-goal) (永文 胡) — N/A Rating | N/A Sentiment
- [*Amazon Flex Debit Card*](https://marlvel.ai/intel-report/finance/amazon-flex-debit-card) (Green Dot Corporation) — 4.6/5 Rating | N/A Sentiment
- [*rapid! Pay*](https://marlvel.ai/intel-report/finance/rapid-pay) (Green Dot Corporation) — 4.4/5 Rating | N/A Sentiment
- [*J.P. Morgan Mobile*](https://marlvel.ai/intel-report/finance/j-p-morgan-mobile) (JPMorgan Chase & Co.) — 4.5/5 Rating | N/A Sentiment

## 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 and evidence quoting.
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:** 0.2/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 2
- **Data Sources:** user reviews, 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:** 0 days since last refresh

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© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/finance/co-uk-john-benson-quickpercent)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.