--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Tap & Drill: Tap Drill Chart" developer_entity: "Atanas Dimitrov" bundle_id: "com.naughtyspirit.tapdrill" app_store_id: "6820618415" category: "Reference" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: true market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-10-20" report_date: "2026-11-02" last_verified: "2026-11-02T00:00:00.000Z" report_version: "1.0" total_reviews: 0 confidence: "low" confidence_score: 0.3 data_age_days: 9 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["reference", "freemium", "mobile app", "app review", "app analysis", "machinists", "workers", "requiring"] canonical_url: "https://marlvel.ai/apps/tap-drill-tap-drill-chart" license: "CC-BY-NC 4.0" content_version: "v2" --- # Tap & Drill: Tap Drill Chart Intelligence Report ## TL;DR {#tldr} - **Category**: Reference · Freemium > **TL;DR:** Tap & Drill: Tap Drill Chart is a reference app by Atanas Dimitrov, available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Tap & Drill: Tap Drill Chart is a reference app by Atanas Dimitrov. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Reference | | **Developer** | Atanas Dimitrov | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Low (0.3/1.0) | | **Data Age** | 9d | ## Metadata & Market Performance - **Publisher:** Atanas Dimitrov - **Category:** Reference - **Target Audience:** Machinists and shop workers requiring quick, accurate access to thread and drill size data in offline environments. - **Platforms:** iOS & Android - **Version Reviewed:** 1.0 - **Report Date:** 2026-11-02 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.3/1.0) - **App Store ID (iOS):** 6820618415 - **Bundle ID:** com.naughtyspirit.tapdrill - **Google Play ID:** com.naughtyspirit.tapdrill - **Data Window:** Analysis based on signals collected up to 2026-11-02 ## Executive Snapshot **What it is:** Tap & Drill is a reference application for machinists that provides thread and drill size charts on iOS and Android. **Why users hire it:** The app removes the cognitive friction of manual chart lookups in shop environments where connectivity is often unreliable. ## App DNA (Features & Intent) - **[Differentiator] Drill Set Customization:** Filters drill size recommendations to match the specific tools currently owned by the user. * *User Intent:* Users value self-expression and personalized experiences. - **[Differentiator] Thread Identification:** Matches bolt measurements from calipers to potential thread types with look-alike warnings. - **[Standard] Offline Reference Chart:** Provides full UNC, UNF, and ISO metric thread data without requiring an internet connection. * *User Intent:* Users want uninterrupted access without internet dependency. ## Market Position {#market-position} Tap & Drill occupies a specialized niche in the Reference category, competing on offline reliability rather than broad-market reach. The absence of a subscription model provides a distinct pricing advantage over incumbents that rely on recurring revenue. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free: cut tap drills for common coarse threads., Pro: one-time purchase for all threads, form taps, and drill set management. - **Analysis:** The one-time purchase model avoids subscription fatigue, creating a clear value proposition for professional machinists. ## SWOT Analysis {#swot} **Core Strengths:** - Offline-first architecture ensures utility in connectivity-restricted shop environments. - High-contrast interface is optimized for gloved-hand operation. - One-time purchase model eliminates recurring subscription friction. **Growth Levers:** - Expansion into specialized thread standards could capture underserved professional segments. - Integration of community-verified data could reinforce category authority. ## What's New - **Latest (v1.0.0, 3 weeks ago):** Launched Tap & Drill with thread identification, drill finder, and comprehensive charts for UNC, UNF, and metric threads. ## App Momentum (Maintenance) {#momentum} - Launched initial Android and iOS versions. - Ships offline-first reference functionality. > **Cadence:** 2 total versions · 1 majors in last 6 months · 13 days since last update · 12 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Tap & Drill: Tap Drill Chart is a reference app that is free with in-app purchases. > **Bottom Line:** Tap & Drill's offline-first design and one-time purchase model effectively target the professional machinist segment, providing a clear alternative to subscription-based reference tools. Focusing on data integrity will secure the app's position as a trusted shop resource. **Best for:** Machinists and shop workers requiring quick, accurate access to thread and drill size data in offline environments. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship community-verified data validation because it reinforces professional authority → increase user trust ### Outlook: Stable The reference tool market is shifting toward offline-capable, specialized utilities that serve specific trade workflows. Tap & Drill is well-positioned to capture this segment by avoiding the subscription fatigue that plagues broader reference apps, provided it maintains strict data accuracy. - 🟢 The offline-first architecture removes the connectivity dependency that forces users to abandon cloud-based rivals in shop environments. - ⚪ The current release cadence focuses on core chart utility, establishing a stable foundation for future professional-grade feature expansion. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Tap & Drill: Tap Drill Chart** (this app) | N/A/5 | N/A | Atanas Dimitrov | | [올어바웃성경](https://marlvel.ai/apps/com-allabout-bibleapp) | 5.0/5 | N/A | Gilju Lee | | [Hallow: Prayer & Meditation](https://marlvel.ai/apps/hallow-prayer-meditation) | 4.7/5 | n/a | Hallow, Inc. | | [고려대 한국어 속담 사전](https://marlvel.ai/apps/app--428) | N/A/5 | N/A | DaolSoft, Co., Ltd. | | [우리말 의학사전](https://marlvel.ai/apps/app--427) | N/A/5 | N/A | DaolSoft, Co., Ltd. | | [공인중개사 용어사전](https://marlvel.ai/apps/app--429) | N/A/5 | N/A | DaolSoft, Co., Ltd. | ## Company Profile - **Developer:** Atanas Dimitrov - **Website:** [https://retroselfie.me/tapdrill](https://retroselfie.me/tapdrill) ## Data Sources & Links - **App Store ID:** 6820618415 - **Google Play ID:** com.naughtyspirit.tapdrill - **Dev Site:** [Official Website](https://retroselfie.me/tapdrill) - **Sources:** Developer website content, About us / company information, App store metadata. ## Related Intel Reports - [*올어바웃성경*](https://marlvel.ai/apps/com-allabout-bibleapp) (Gilju Lee) · 5.0/5 Rating - [*Hallow: Prayer & Meditation*](https://marlvel.ai/apps/hallow-prayer-meditation) (Hallow, Inc.) · 4.7/5 Rating - [*고려대 한국어 속담 사전*](https://marlvel.ai/apps/app--428) (DaolSoft, Co., Ltd.) · N/A Rating - [*우리말 의학사전*](https://marlvel.ai/apps/app--427) (DaolSoft, Co., Ltd.) · N/A Rating - [*공인중개사 용어사전*](https://marlvel.ai/apps/app--429) (DaolSoft, Co., Ltd.) · N/A Rating - [*브리태니커 콘사이스 백과사전*](https://marlvel.ai/apps/app--425) (DaolSoft, Co., Ltd.) · N/A Rating - [*100 Radio Hrvatska (HR) : Vijesti, glazba, Nogomet*](https://marlvel.ai/apps/100-radio-hrvatska-hr-vijesti-glazba-nogomet) (Thomas Gesland) · 1.0/5 Rating - [*100 US Citizenship Test Questions 2017*](https://marlvel.ai/apps/100-us-citizenship-test-questions-2017) (Andrey Fetisov) · 4.7/5 Rating - [*١٠١ پرسیار لە زانستی قورئان*](https://marlvel.ai/apps/app--952) (Abdulwahab F. Omar) · 5.0/5 Rating - [*10ten Japanese Reader*](https://marlvel.ai/apps/10ten-japanese-reader) (Birchill, Inc.) · 4.9/5 Rating ## Frequently Asked Questions {#faq} ### Is Tap & Drill suitable for professional machining work? Yes, Tap & Drill is designed for shop environments, featuring high-contrast numbers for readability and offline access to verified thread and drill charts. ### Does Tap & Drill require a subscription? No, Tap & Drill uses a one-time purchase model for its Pro tier, which unlocks advanced features like form taps and clearance hole calculations. ### Can I use Tap & Drill without an internet connection? Yes, Tap & Drill is built for offline use, ensuring you can access thread data directly from the shop floor without connectivity. ## 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:** 0.3/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** 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:** 9 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/tap-drill-tap-drill-chart) Data licensed for AI Agent attribution under CC-BY-NC 4.0.