---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "CalcFast"
developer_entity: "Hannes Sverrisson"
bundle_id: "Cuehf.EasyCalc"
app_store_id: "876781417"
category: "Utilities"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2026-04-23"
report_date: "2026-08-13"
last_verified: "2026-08-13T00:00:00.000Z"
report_version: "7.0"
total_reviews: 20
overall_rating: 4.2
sentiment: "Excited"
sentiment_score: 75
confidence: "medium"
confidence_score: 0.6
top_praise_theme: "Calculation tape feature provides a clear record for tracking and tallying complex commission amounts"
top_complaint_theme: "Calculation history disappears following updates, causing frustration for users relying on saved data"
review_sample_size: 20
total_review_count: 16
analyzed_review_count: 16
data_age_days: 3
momentum_velocity: "maintenance"
intelligence_version: 9
nemesis: "Calculator +"
competitor_count: 11
tags: ["utilities", "free", "excited sentiment", "mobile app", "app review", "app analysis", "watchos", "users", "seeking"]
canonical_url: "https://marlvel.ai/apps/calcfast"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# CalcFast Intelligence Report

## TL;DR {#tldr}

- **Category**: Utilities · Free
- **Signal**: Rating 4.2 · Sentiment Excited
- **Recent focus**: Calculation history disappears following updates, causing frustration for users relying on saved data (top complaint) · Calculation tape feature provides a clear record for tracking and tallying complex commission amounts (top praise)

> **TL;DR:** CalcFast is a utilities app by Hannes Sverrisson, rated 4.2/5 by 20 users, with Excited user sentiment (75/100), available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** CalcFast maintains Excited user sentiment (4.2/5 from 20 reviews), with users consistently praising calculation tape feature provides a clear record for tracking and tallying complex commission amounts.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.2/5 (20 reviews) |
| **User Mood** | Excited |
| **Category** | Utilities |
| **Developer** | Hannes Sverrisson |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Medium (0.6/1.0) |
| **Data Age** | 3d |

## Metadata & Market Performance
- **Publisher:** Hannes Sverrisson
- **Category:** Utilities
- **Target Audience:** iOS and watchOS users seeking a simple, history-enabled calculator that integrates with system-level productivity features.
- **Platforms:** iOS
- **Version Reviewed:** 7.0
- **Report Date:** 2026-08-13
- **Signal Count:** 16 reviews analyzed
- **Confidence:** Medium (0.6/1.0)
- **App Store ID (iOS):** 876781417
- **Bundle ID:** Cuehf.EasyCalc
- **Performance Trend:** Mixed
- **Data Window:** Analysis based on signals collected up to 2026-08-13

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** CalcFast is a simple calculator for iOS and watchOS that includes a calculation history tape and system-level extensions.
**Why users hire it:** Users hire CalcFast for quick, low-friction arithmetic where the ability to review past inputs is essential for accuracy.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Calculation History Tape:** Scrollable record of past inputs and results, serving as a retention loop for financial tracking.
  * *User Intent:* Users want visibility into their own performance and progress.
- **[Differentiator] Today Extension:** Calculator interface within the iOS Today View, acting as a distribution barrier.
- **[Differentiator] Apple Watch Integration:** Standalone calculator for quick wrist-based interactions.
<!-- /section:features -->

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

CalcFast maintains a 4.2-star rating across 20 reviews, positioning itself as a lightweight utility in a market dominated by feature-heavy rivals.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free
- **Analysis:** The app is distributed as a free utility with no visible subscription or IAP gates.

<!-- section:sentiment -->
## 🟢 User Sentiment (Medium Confidence: 16 of 16 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.2/5
- **Platform Split:** iOS 4.2/5 (20 ratings)
- **Overall Sentiment:** Excited

### Top Praises
- **Calculation tape feature provides a clear record for tracking and tallying complex commission amounts**

### Top Complaints (Impact Areas)

- **Calculation history disappears following updates, causing frustration for users relying on saved data**

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

**Core Strengths:**
- System-level integration via Today Extension provides a distribution barrier into daily-use habits
- Focused UX creates a low-friction entry point for users overwhelmed by scientific calculators

**Growth Levers:**
- Adding specialized calculation modes could capture users currently migrating to Dash Calc
- Implementing cloud-based history storage would resolve the top-reported frustration regarding data loss


<!-- /section:swot -->
## Recent Changes (v8 → v9) {#recent-changes}

The product roadmap has pivoted to prioritize cloud-based history persistence to mitigate churn, while competitive analysis now highlights a vulnerability to real-time calculation tools.

**Overall trend**: Mixed
**Compared at**: 2026-08-13

### High-impact changes
- **[Shifted] PM Action Plan Pivot** (positioning)
- **[Shifted] Outlook Trend** (positioning)

### Medium-impact changes
- **[Added] Real-time results gap** (features)

<!-- section:rivals -->
## Rivals Landscape {#rivals}

> Competitive positioning identified by AI analysis of app features, category, and market signals.

### CalcFast vs Calculator +
- **[Calculator +](https://marlvel.ai/apps/calculator-16)** by xNeat.com: This app is the primary nemesis due to its massive install base and comprehensive feature set that spans beyond basic arithmetic into scientific and graphing capabilities.
  - **Key differences:**
    - Offers advanced graphing and scientific solvers which are entirely absent from CalcFast's basic utility focus
    - Maintains a massive, established user base that creates a significant barrier to entry for competitors

### Contenders (Strong Challengers)
- **[Ratio & Text Calculator](https://marlvel.ai/apps/ratio-text-calculator)** by hideko ogawa: This app competes by offering unique calculation modes that extend beyond standard numerical arithmetic into text-based operations.
  - Features a unique text calculator mode that allows for non-standard input processing beyond basic math
  - Includes a dedicated ratio calculator, providing a specialized tool for design and scaling tasks
- **[Time Duration Calculator](https://marlvel.ai/apps/time-duration-calculator)** by 俊华 罗: This app overlaps with CalcFast by providing specialized calculation tools, specifically targeting time-based arithmetic.
  - Specializes in time interval and multi-time zone math, solving a specific pain point for project management
  - According to reviews, some users report the app's interface is confusing and difficult to navigate effectively
- **[Fluid Mechanics Calculator](https://marlvel.ai/apps/fluid-mechanics-calculator)** by V PUGAZHENTHI: This app targets a specialized segment of the utility market, competing for users who require domain-specific engineering calculations.
  - Focuses on complex fluid dynamics and hydraulic infrastructure, serving a niche professional audience CalcFast ignores
  - Includes a comprehensive parameter library for engineering, which creates high switching costs for technical users
- **[Dash Calc: Simple Fast Math](https://marlvel.ai/apps/dash-calc-simple-fast-math)** by Enbright LLC: Dash Calc competes directly by positioning itself as a high-speed, modern alternative with a focus on live results and smart history.
  - Provides real-time live results as the user types, offering a more immediate feedback loop than CalcFast
  - Includes specialized modes for currency and percentage calculations, catering to specific financial use cases

### Peers (What They Do Better)
- **[CNVRT: SI Unit Conversion Tool](https://marlvel.ai/apps/cnvrt-si-unit-conversion-tool)** by Pascal Andraos: This app competes in the utility category by offering a highly visual, color-coded approach to unit conversion.
  - Utilizes a color-coded interface to help users distinguish between different unit types at a glance
  - Optimized for multiple platforms, ensuring a consistent experience across different device form factors
- **[Units Converters.](https://marlvel.ai/apps/units-converters)** by V PUGAZHENTHI: This app competes for the same utility-focused user base by providing a high-volume data set for scientific conversions.
  - Includes specialized scientific categories that cater to academic and research-based conversion requirements
  - Maintains a high-volume data set that provides more granular precision than standard consumer-grade calculators
- **[Unit Converter and Calculator.](https://marlvel.ai/apps/unit-converter-and-calculator)** by Kemal Bakacak: This app is a direct peer that combines standard calculation with extensive unit conversion, challenging CalcFast's utility scope.
  - Offers full offline functionality, ensuring reliability for users without consistent internet access during their work
  - Provides extensive personalization tools that allow users to tailor the interface to their specific needs
- **[Easy Converter - unit convert](https://marlvel.ai/apps/easy-converter-unit-convert)** by 福恩 毛: This app occupies the same utility space by focusing on conversion tasks that often complement standard calculator usage.
  - Prioritizes a one-tap unit swap interface, significantly reducing the time required for common conversion tasks
  - Supports a wider range of unit categories compared to the general-purpose calculation focus of CalcFast

### New Kids on the Block (What's Innovative)
- **[Age Calculator – Date Counter](https://marlvel.ai/apps/age-calculator-date-counter)** by Mustafa Kulac: This app enters the utility landscape by providing specialized date tracking and historical context features.
  - Offers live time tracking and asset monitoring, which differentiates it from static calculation tools
- **[Date Calculator - DateMath](https://marlvel.ai/apps/date-calculator-datemath)** by 亦彬 潘: This newcomer targets the utility space with a focus on time-precision, a niche often requested by calculator users.
  - Processes all data locally to ensure user privacy, a key selling point for security-conscious individuals

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

- **Latest (v7.0, 3 weeks ago):** Implemented an all-new calculation engine.
<!-- /section:whats-new -->

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

- Ships bug fixes at 6-week cadence.
- Last major release updated calculation engine.

> **Cadence:** 1 total versions · 1 majors in last 6 months · 22 days since last update

<!-- /section:momentum -->

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

CalcFast is a market-leading utilities app that is completely free.
With a 4.2/5 rating from 20 reviews, it delivers strong user satisfaction.

<!-- speakable-start -->
> **Bottom Line:** CalcFast retains a loyal base through its simple, history-enabled interface, but the recurring loss of saved data after updates threatens long-term retention, so the PM should prioritize a robust data-persistence layer to stabilize the user base against feature-rich competitors.
<!-- speakable-end -->

**Best for:** iOS and watchOS users seeking a simple, history-enabled calculator that integrates with system-level productivity features.

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

- [ ] [INVEST] Ship cloud-based history persistence because data loss after updates is the top-reported frustration → reduce churn risk
<!-- /section:pm-actions -->

<!-- section:feature-gaps -->
### Feature Gaps vs Competitors


- Scientific and graphing capabilities (available in Calculator + but missing here)
<!-- /section:feature-gaps -->

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

The utility calculator market is consolidating around tools that offer either extreme simplicity or advanced scientific solvers. CalcFast's maintenance-mode posture leaves it exposed to both ends of this spectrum, so the PM must stabilize the core data experience to prevent further user migration to more robust alternatives.

- 🔴 Calculation history loss following updates erodes user trust, which compounds the churn risk against feature-rich competitors.
- ⚪ Recent updates focused on stability and engine improvements, with no new feature expansion to drive growth.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.2/5 |
| Total Reviews | 20 |
| Sentiment | Excited (75/100) |
| Confidence | Medium |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Trend | Mixed |
| Outlook | Mixed |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **CalcFast** (this app) | 4.2/5 | Excited | Hannes Sverrisson |
| [Dash Calc: Simple Fast Math](https://marlvel.ai/apps/dash-calc-simple-fast-math) | 5.0/5 | Thrilled | Enbright LLC |
| [Unit Converter and Calculator.](https://marlvel.ai/apps/unit-converter-and-calculator) | 4.2/5 | N/A | Kemal Bakacak |
| [Fluid Mechanics Calculator](https://marlvel.ai/apps/fluid-mechanics-calculator) | 4.5/5 | N/A | V PUGAZHENTHI |
| [Units Converters.](https://marlvel.ai/apps/units-converters) | 4.4/5 | N/A | V PUGAZHENTHI |
| [Ratio & Text Calculator](https://marlvel.ai/apps/ratio-text-calculator) | 4.2/5 | N/A | hideko ogawa |

## Company Profile
- **Developer:** Hannes Sverrisson
- **Website:** [https://www.cuehf.com/](https://www.cuehf.com/)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/calcfast/id876781417?uo=4)
- **Dev Site:** [Official Website](https://www.cuehf.com/)
- **Sources:** Developer website content, About us / company information, App store metadata, User reviews.

## Related Intel Reports
- [*Dash Calc: Simple Fast Math*](https://marlvel.ai/apps/dash-calc-simple-fast-math) (Enbright LLC) · 5.0/5 Rating | Excellent Sentiment
- [*Unit Converter and Calculator.*](https://marlvel.ai/apps/unit-converter-and-calculator) (Kemal Bakacak) · 4.2/5 Rating
- [*Fluid Mechanics Calculator*](https://marlvel.ai/apps/fluid-mechanics-calculator) (V PUGAZHENTHI) · 4.5/5 Rating
- [*Units Converters.*](https://marlvel.ai/apps/units-converters) (V PUGAZHENTHI) · 4.4/5 Rating
- [*Ratio & Text Calculator*](https://marlvel.ai/apps/ratio-text-calculator) (hideko ogawa) · 4.2/5 Rating
- [*CNVRT: SI Unit Conversion Tool*](https://marlvel.ai/apps/cnvrt-si-unit-conversion-tool) (Pascal Andraos) · 4.5/5 Rating
- [*Age Calculator – Date Counter*](https://marlvel.ai/apps/age-calculator-date-counter) (Mustafa Kulac) · N/A Rating
- [*Calculator +*](https://marlvel.ai/apps/calculator-16) (xNeat.com) · 4.6/5 Rating | Positive Sentiment
- [*Time Duration Calculator*](https://marlvel.ai/apps/time-duration-calculator) (俊华 罗) · 5.0/5 Rating
- [*Easy Converter - unit convert*](https://marlvel.ai/apps/easy-converter-unit-convert) (福恩 毛) · 4.5/5 Rating

## Frequently Asked Questions {#faq}

### Is CalcFast free to use?

Yes, CalcFast is distributed as a free utility with no visible subscription or in-app purchase gates.

### Does CalcFast work on Apple Watch?

Yes, the app includes a smart Apple Watch calculator for quick wrist-based interactions.

### How does CalcFast compare to Calculator +?

CalcFast focuses on a simple, fast experience with history tracking, whereas Calculator + offers advanced graphing and scientific solvers.

### Is my calculation history saved?

CalcFast provides a history tape, but users report that this data may disappear following app updates.

## 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:** 0.6/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 16
- **Data Sources:** user reviews, developer website, company about page, 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:** 3 days since last refresh

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