---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Machinist Tap Drill Chart"
developer_entity: "Signet LLC"
bundle_id: "jp.co.signet.TapDrillChart"
app_store_id: "6801000544"
category: "Utilities"
primary_platform: "ios"
primary_monetization: "Freemium"
offline_capable: true
market_region: "US"
platforms: "iOS"
app_last_updated: "2026-08-26"
report_date: "2026-09-28"
last_verified: "2026-09-28T00:00:00.000Z"
report_version: "1.0"
total_reviews: 0
confidence: "low"
confidence_score: 0.2
data_age_days: 48
momentum_velocity: "maintenance"
intelligence_version: 2
tags: ["utilities", "freemium", "mobile app", "app review", "app analysis", "machinists", "shop-floor", "personnel"]
canonical_url: "https://marlvel.ai/apps/machinist-tap-drill-chart"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Machinist Tap Drill Chart Intelligence Report

## TL;DR {#tldr}

- **Category**: Utilities · Freemium

> **TL;DR:** Machinist Tap Drill Chart is a utilities app by Signet LLC, available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Machinist Tap Drill Chart is a utilities app by Signet LLC.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Category** | Utilities |
| **Developer** | Signet LLC |
| **Pricing** | Freemium |
| **Platforms** | iOS |
| **Confidence** | Low (0.2/1.0) |
| **Data Age** | 48d |

## Metadata & Market Performance
- **Publisher:** Signet LLC
- **Category:** Utilities
- **Target Audience:** Machinists and shop-floor personnel requiring precise, offline-accessible engineering data.
- **Platforms:** iOS
- **Version Reviewed:** 1.0
- **Report Date:** 2026-09-28
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0.2/1.0)
- **App Store ID (iOS):** 6801000544
- **Bundle ID:** jp.co.signet.TapDrillChart
- **Data Window:** Analysis based on signals collected up to 2026-09-28

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Machinist Tap Drill Chart is a specialized utility for machinists that computes thread diameters, drill sizes, and thread percentages on iOS.
**Why users hire it:** The app removes the cognitive and time cost of manual formula lookups, providing a reliable reference that functions without internet access in machine shops.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Thread and Drill Calculation:** Computes thread diameter, drill size, and percent of thread for UNC, UNF, metric, and NPT standards.
- **[Differentiator] Nearest Drill Search:** Cross-references drill indices to find the closest match for a specific thread percentage.
  * *User Intent:* Users want to quickly find relevant content or features.
- **[Differentiator] Clearance and STI Hole Calculations:** Computes clearance holes for various fits and STI holes for wire thread inserts.
- **[Differentiator] Offline Computation:** Calculates all values locally using internal tables without network dependency.
  * *User Intent:* Users want uninterrupted access without internet dependency.
<!-- /section:features -->

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

Machinist Tap Drill Chart occupies a niche utility space, prioritizing offline reliability over the ad-supported, cloud-dependent models common in the category. The absence of recent feature updates suggests a maintenance-mode posture, which may leave the app vulnerable to rivals with more aggressive release cadences.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Freemium
- **Tiers:** Free: Standard thread and drill calculations, Pro: $5.99 one-time or $1.99/week for advanced hole types and custom tolerances
- **Analysis:** The freemium model anchors on a $5.99 lifetime purchase, using advanced hole types and custom tolerances as the primary conversion gate.

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

**Core Strengths:**
- Offline-first architecture ensures utility in signal-blocked shop environments.

**Growth Levers:**
- Localized pricing could capture users in regions where the $5.99 entry point is high.


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

- Ships bug fixes at ~5-week cadence.
- No new feature builds recently.

> **Cadence:** 1 total versions · 0 majors in last 6 months · 33 days since last update

<!-- /section:momentum -->

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

Machinist Tap Drill Chart is an utilities app that is free with in-app purchases.

<!-- speakable-start -->
> **Bottom Line:** Machinist Tap Drill Chart's offline-first design provides a defensible utility, but the current subscription pricing creates friction that limits the conversion funnel. Shifting focus to lifetime-purchase incentives would better align with the professional user's preference for one-time tools.
<!-- speakable-end -->

**Best for:** Machinists and shop-floor personnel requiring precise, offline-accessible engineering data.

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

- [ ] [PIVOT] Audit the Pro-tier conversion funnel because the current $1.99/week subscription is high for a utility app → increase lifetime conversion
<!-- /section:pm-actions -->

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

The shop-floor utility market is consolidating around tools that offer high-precision, offline-reliable data. Machinist Tap Drill Chart remains advantaged by its offline-first architecture, but the lack of recent feature investment risks ceding market share to rivals that can iterate faster on professional-grade engineering requirements.

- ⚪ The maintenance-only release cadence suggests a stable, feature-complete product that prioritizes reliability over rapid expansion.
- 🔴 The lack of new feature development over the last 33 days leaves the app exposed to rivals with more active update schedules.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Total Reviews | 0 |
| Confidence | Low |
| Pricing Model | Freemium |
| Platforms | iOS |
| Key Features | 4 analyzed |
| Outlook | Stable |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Machinist Tap Drill Chart** (this app) | N/A/5 | N/A | Signet LLC |
| [Sota Connect: Secure Network](https://marlvel.ai/apps/fi-catconnect-sota) | 4.9/5 | N/A | Cat Connect |
| [V2Box - V2ray Client](https://marlvel.ai/apps/v2box-v2ray-client) | 4.6/5 | n/a | techlaim |
| [App For Siri Commands Tips](https://marlvel.ai/apps/app-for-siri-commands-tips) | N/A/5 | N/A | Anh La Phan Son |
| [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies |
| [Bin Days - Bin Reminder](https://marlvel.ai/apps/bin-days-bin-reminder) | N/A/5 | N/A | Vicki Partridge |

## Company Profile
- **Developer:** Signet LLC
- **Website:** [https://signet.co.jp](https://signet.co.jp)

## Data Sources & Links
- **App Store ID:** 6801000544
- **Dev Site:** [Official Website](https://signet.co.jp)
- **Sources:** Developer website content, App store metadata.

## Related Intel Reports
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- [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.6/5 Rating
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## Frequently Asked Questions {#faq}

### Is Machinist Tap Drill Chart free to use?

Yes, the app provides standard thread and drill calculations for free. Advanced features like clearance holes, STI holes, and custom thread percentages require a one-time purchase or a weekly subscription.

### Does Machinist Tap Drill Chart work without internet?

Yes, the app is designed to work offline. All calculations are performed locally using internal tables, making it suitable for use in machine shops with limited connectivity.

### What is the difference between the free and Pro versions?

The free version covers standard thread and drill calculations. The Pro version adds clearance hole calculations, STI holes for wire inserts, support for additional thread standards, and the ability to set custom thread percentages.

## 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:** 0.2/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 0
- **Data Sources:** 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:** 48 days since last refresh

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