---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "CalcKey"
developer_entity: "Thomas Coomer"
bundle_id: "co.uk.smudgeinc.calckeyimessage"
app_store_id: "1134691026"
category: "Utilities"
primary_platform: "ios"
primary_monetization: "Paid"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2021-01-09"
report_date: "2026-08-07"
last_verified: "2026-08-07T00:00:00.000Z"
report_version: "1.5"
total_reviews: 2
overall_rating: 2.5
sentiment: "Upset"
sentiment_score: 20
confidence: "medium"
confidence_score: 0.4
top_praise_theme: "Responsive developer support provides informative answers to user questions within an hour of submission"
top_complaint_theme: "The app fails to appear within the iMessage interface, preventing users from accessing core functionality"
review_sample_size: 4
total_review_count: 4
analyzed_review_count: 4
data_age_days: 9
momentum_velocity: "zombie"
intelligence_version: 5
tags: ["utilities", "paid", "upset sentiment", "mobile app", "app review", "app analysis", "iphone", "users", "frequently"]
canonical_url: "https://marlvel.ai/apps/calckey"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# CalcKey Intelligence Report

## TL;DR {#tldr}

- **Category**: Utilities · Paid
- **Signal**: Rating 2.5 · Sentiment Upset
- **Recent focus**: The app fails to appear within the iMessage interface, preventing users from accessing core functionality (top complaint) · Responsive developer support provides informative answers to user questions within an hour of submission (top praise)

> **TL;DR:** CalcKey is a utilities app by Thomas Coomer, rated 2.5/5 by 2 users, with Upset user sentiment (20/100), available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** CalcKey faces Upset user sentiment (2.5/5 from 2 reviews), with users reporting the app fails to appear within the imessage interface, preventing users from accessing core functionality as the primary concern.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 2.5/5 (2 reviews) |
| **User Mood** | Upset |
| **Category** | Utilities |
| **Developer** | Thomas Coomer |
| **Pricing** | Paid |
| **Platforms** | iOS |
| **Confidence** | Medium (0.4/1.0) |
| **Data Age** | 9d |

## Metadata & Market Performance
- **Publisher:** Thomas Coomer
- **Category:** Utilities
- **Target Audience:** iPhone and iPad users who frequently share numerical data or perform quick calculations during text conversations.
- **Platforms:** iOS
- **Version Reviewed:** 1.5
- **Report Date:** 2026-08-07
- **Signal Count:** 4 reviews analyzed
- **Confidence:** Medium (0.4/1.0)
- **App Store ID (iOS):** 1134691026
- **Bundle ID:** co.uk.smudgeinc.calckeyimessage
- **Performance Trend:** Declining
- **Data Window:** Analysis based on signals collected up to 2026-08-07

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** CalcKey is a calculator app for iMessage on iPhone and iPad that enables users to perform sums without leaving the Messages app.
**Why users hire it:** Users hire CalcKey to reduce context switching when sharing numerical data in text conversations, but the current integration failure prevents this job from being done.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] iMessage Integration:** Calculator interface embedded directly within the Messages app for iPhone and iPad.
  * *User Intent:* Users want real-time communication within the app experience.
- **[Differentiator] Auto-Paste Calculation:** Automatically inserts the result of a calculation into the active message field.
  * *User Intent:* Users want real-time communication within the app experience.
<!-- /section:features -->

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

CalcKey occupies the niche utility segment for iMessage, but its 2.5-star rating and lack of updates since 2021 indicate a failing position relative to native calculator tools.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Paid
- **Tiers:** One-time purchase at $0.49
- **Price:** iOS: $0.49
- **Analysis:** Paid model anchored at $0.49, capturing revenue through a single upfront transaction.

<!-- section:sentiment -->
## 🔴 User Sentiment (Medium Confidence: 4 of 4 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 2.5/5
- **Platform Split:** iOS 2.5/5 (2 ratings)
- **Overall Sentiment:** Upset

### Top Praises
- **Responsive developer support provides informative answers to user questions within an hour of submission**

### Top Complaints (Impact Areas)

- **The app fails to appear within the iMessage interface, preventing users from accessing core functionality**

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

**Core Strengths:**
- Auto-paste mechanism reduces friction in messaging workflows

**Growth Levers:**
- Update for modern iOS versions to restore basic iMessage functionality


<!-- /section:swot -->
## Recent Changes (v4 → v5) {#recent-changes}

The app's competitive position has declined as critical technical failures render it non-functional, accompanied by new user concerns regarding app safety and removal.

**Overall trend**: Declining
**Compared at**: 2026-08-07

### High-impact changes
- **[Shifted] iMessage Integration Positioning** (features)
- **[Added] Auto-Paste Calculation** (features)
- **[Declined] Emergence of Security Concerns** (sentiment)

### Medium-impact changes
- **[Added] Pricing Tier Disclosure** (pricing)
- **[Shifted] Audience Scope Expansion** (audience)

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

- Last major update 2021.
- No feature expansion in 5 years.

> **Cadence:** 5 total versions · 0 majors in last 6 months · 1938 days since last update

<!-- /section:momentum -->

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

CalcKey is an utilities app that is a paid app.
It holds a 2.5/5 rating from 2 reviews.

<!-- speakable-start -->
> **Bottom Line:** CalcKey offers a useful auto-paste mechanism for iMessage, but the app is effectively broken due to a lack of updates since 2021, so the developer must prioritize a compatibility patch to prevent further reputational damage.
<!-- speakable-end -->

**Best for:** iPhone and iPad users who frequently share numerical data or perform quick calculations during text conversations.

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

- [ ] [INVEST] Ship compatibility patch for current iOS versions because the app is missing from the iMessage drawer → restore core functionality
<!-- /section:pm-actions -->

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

The market for iMessage utilities is consolidating around native features and active developers, leaving CalcKey exposed. Without an immediate update to address the integration failure, the app will continue to lose relevance and face potential removal from the store.

- 🔴 The app has not received a meaningful update in over five years, signaling that it is in maintenance-mode or abandoned.
- 🔴 Critical integration failures prevent the app from surfacing in iMessage, which directly causes the current 2.5-star rating drag.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 2.5/5 |
| Total Reviews | 2 |
| Sentiment | Upset (20/100) |
| Confidence | Medium |
| Pricing Model | Paid |
| Platforms | iOS |
| Key Features | 2 analyzed |
| Trend | Declining |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **CalcKey** (this app) | 2.5/5 | Upset | Thomas Coomer |
| [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies |
| [Free VPN by Free VPN .org™](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) | 4.5/5 | Mixed | Free VPN LLC |
| [Fusvob VPN : Super VPN 2026](https://marlvel.ai/apps/com-toplinkc-foxexcellent) | 4.4/5 | Mixed | Fuxin Technology |
| [Potatso](https://marlvel.ai/apps/potatso) | 4.4/5 | n/a | Potatso Lab LTD |
| [Quantumult X](https://marlvel.ai/apps/quantumult-x) | 3.8/5 | N/A | Cross Utility Ltd |

## Company Profile
- **Developer:** Thomas Coomer
- **Website:** [https://smudge.app/calckey](https://smudge.app/calckey)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/calckey/id1134691026?uo=4)
- **Dev Site:** [Official Website](https://smudge.app/calckey)
- **Sources:** Developer website content, App store metadata, User reviews.

## Related Intel Reports
- [*avoVPN Desktop*](https://marlvel.ai/apps/avovpn-desktop) (Avocado VPN Technologies) · N/A Rating
- [*Free VPN by Free VPN .org™*](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) (Free VPN LLC) · 4.5/5 Rating
- [*Fusvob VPN : Super VPN 2026*](https://marlvel.ai/apps/com-toplinkc-foxexcellent) (Fuxin Technology) · 4.4/5 Rating
- [*Potatso*](https://marlvel.ai/apps/potatso) (Potatso Lab LTD) · 4.4/5 Rating
- [*Quantumult X*](https://marlvel.ai/apps/quantumult-x) (Cross Utility Ltd) · 3.8/5 Rating
- [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.6/5 Rating
- [*카톡 분석 - 오픈채팅, 카톡 채팅 분석, 통계, 검색*](https://marlvel.ai/apps/com-liger-katalkanalysispaid) (Park Sung Cheol) · N/A Rating
- [*로또 황금번호 생성기*](https://marlvel.ai/apps/lotto-lottogold) (jaehwan lee) · N/A Rating
- [*도사폰 (만세력 역학도구)*](https://marlvel.ai/apps/app--656) (Softchaser Company Limited) · 5.0/5 Rating
- [*근로자 공수달력*](https://marlvel.ai/apps/jaehwan-worktracer) (jaehwan lee) · N/A Rating

## 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:** 0.4/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 4
- **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:** 9 days since last refresh

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