--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Screw Identifier - Fastener ID" developer_entity: "FANG FANG" bundle_id: "me.fangfang.app.fastenerid" app_store_id: "6751171399" category: "Utilities" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-10-19" report_date: "2026-10-23" last_verified: "2026-10-23T00:00:00.000Z" report_version: "3.1.1" total_reviews: 109 overall_rating: 3.7 sentiment: "Upset" sentiment_score: 15 confidence: "medium" confidence_score: 0.6 top_praise_theme: "The application provides a functional experience for users who successfully navigate the initial identification flow" top_complaint_theme: "Subscription costs and aggressive paywalls prevent users from testing the core identification functionality effectively" review_sample_size: 17 total_review_count: 17 analyzed_review_count: 17 data_age_days: 22 momentum_velocity: "active" intelligence_version: 2 tags: ["utilities", "freemium", "upset sentiment", "mobile app", "app review", "app analysis", "enthusiasts,", "professional", "mechanics,"] canonical_url: "https://marlvel.ai/apps/screw-identifier-fastener-id" license: "CC-BY-NC 4.0" content_version: "v2" --- # Screw Identifier - Fastener ID Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Freemium - **Signal**: Rating 3.68 · Sentiment Upset - **Recent focus**: Subscription costs and aggressive paywalls prevent users from testing the core identification functionality effectively (top complaint) · The application provides a functional experience for users who successfully navigate the initial identification flow (top praise) > **TL;DR:** Screw Identifier - Fastener ID is a utilities app by FANG FANG, rated 3.68/5 by 109 users, with Upset user sentiment (15/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Screw Identifier - Fastener ID faces Upset user sentiment (3.68/5 from 109 reviews), with users reporting subscription costs and aggressive paywalls prevent users from testing the core identification functionality effectively as the primary concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 3.68/5 (109 reviews) | | **User Mood** | Upset | | **Category** | Utilities | | **Developer** | FANG FANG | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Medium (0.6/1.0) | | **Data Age** | 22d | ## Metadata & Market Performance - **Publisher:** FANG FANG - **Category:** Utilities - **Target Audience:** DIY enthusiasts, professional mechanics, contractors, and hardware hobbyists. - **Platforms:** iOS & Android - **Version Reviewed:** 3.1.2 - **Report Date:** 2026-10-23 - **Signal Count:** 17 reviews analyzed - **Confidence:** Medium (0.6/1.0) - **App Store ID (iOS):** 6751171399 - **Bundle ID:** me.fangfang.app.fastenerid - **Google Play ID:** me.fangfang.app.fastenerid - **Data Window:** Analysis based on signals collected up to 2026-10-23 ## Executive Snapshot **What it is:** Screw Identifier is an AI-powered utility for identifying screws, bolts, and nuts via photo analysis on iOS and Android. **Why users hire it:** Users want to replace manual measurement tools with a quick, digital identification process, but the app's current accuracy and paywall friction prevent it from serving as a reliable substitute. ## App DNA (Features & Intent) - **[Differentiator] AI-Powered Fastener Identification:** Uses image recognition to classify screws, bolts, and nuts from a single photo; unlimited identifications are gated behind the Pro plan. * *User Intent:* Users seek enhanced value through premium features. - **[Differentiator] AI Chatbot Assistant:** Provides technical guidance on fastener standards, tool selection, and compatibility; priority AI processing is restricted to Pro subscribers. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Fastener Reporting:** Generates and exports detailed measurement reports; access to detailed report export is gated behind the Pro plan. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} Screw Identifier occupies a niche in the Utilities category, but its 3.5-4.1 star rating range across platforms reflects significant user friction. The high volume of complaints regarding subscription costs relative to the app's identification accuracy indicates a weak competitive position against traditional manual measurement tools. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free tier with ad support, Pro plan with unlimited identifications, no ads, and priority processing - **Analysis:** The freemium model uses ad-supported free usage to drive volume, but gating core identification features behind a weekly subscription creates high churn. ## 🔴 User Sentiment (Medium Confidence: 17 of 17 reviews analyzed) {#user-sentiment} - **Overall Rating:** 3.68/5 - **Platform Split:** iOS 4.1/5 (23 ratings) | Android 3.6/5 (86 ratings) - **Overall Sentiment:** Upset ### Top Praises - **The application provides a functional experience for users who successfully navigate the initial identification flow** ### Top Complaints (Impact Areas) - **Subscription costs and aggressive paywalls prevent users from testing the core identification functionality effectively** ## SWOT Analysis {#swot} **Core Strengths:** - AI-powered detection mechanism provides a differentiated entry point into hardware identification. **Growth Levers:** - Implement a pay-per-scan model to reduce friction for casual DIY users. ## What's New - **Latest (v3.1.1, 1 months ago):** Introduced pre-scan blur detection, integrated metric and imperial fastener reference tables, and added user feedback controls for identification accuracy. ## App Momentum (Active) {#momentum} - Shipped PDF report export feature. - Expanded screw drive catalog. - Integrated pre-scan blur detection. > **Cadence:** 2 total versions · 2 majors in last 6 months · 3 days since last update · 27 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Screw Identifier - Fastener ID is an utilities app that is free with in-app purchases. With a 3.68/5 rating from 109 reviews, it faces significant user friction. > **Bottom Line:** The current monetization model invalidates the app's value proposition by gating unreliable features behind high weekly costs. Pivoting to a more transparent, lower-friction pricing model would allow the app to compete with manual measurement tools by lowering the barrier to entry. **Best for:** DIY enthusiasts, professional mechanics, contractors, and hardware hobbyists. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Pivot to a pay-per-scan or lower-cost tier because high weekly subscription fees are the top complaint → reduce churn. ### Outlook: Declining The market for digital hardware identification is consolidating around tools that provide immediate, accurate results. Screw Identifier's current trajectory is unsustainable due to the misalignment between its high-friction monetization and low-accuracy identification engine, which will likely accelerate churn into the next quarter. - 🔴 High weekly subscription fees drive negative sentiment, causing users to abandon the app before testing core features. - 🔴 Persistent identification errors for standard hardware force users to rely on manual tools, eroding the app's utility value. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 3.68/5 | | Total Reviews | 109 | | Sentiment | Upset (15/100) | | Confidence | Medium | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Screw Identifier - Fastener ID** (this app) | 3.68/5 | Upset | FANG FANG | | [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:** FANG FANG - **Website:** [https://fangfang.me](https://fangfang.me) ## Data Sources & Links - **App Store ID:** 6751171399 - **Google Play ID:** me.fangfang.app.fastenerid - **Dev Site:** [Official Website](https://fangfang.me) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*Sota Connect: Secure Network*](https://marlvel.ai/apps/fi-catconnect-sota) (Cat Connect) · 4.9/5 Rating - [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.6/5 Rating - [*App For Siri Commands Tips*](https://marlvel.ai/apps/app-for-siri-commands-tips) (Anh La Phan Son) · N/A Rating - [*avoVPN Desktop*](https://marlvel.ai/apps/avovpn-desktop) (Avocado VPN Technologies) · N/A Rating - [*Bin Days - Bin Reminder*](https://marlvel.ai/apps/bin-days-bin-reminder) (Vicki Partridge) · N/A Rating - [*Controller Tester FGC*](https://marlvel.ai/apps/controller-tester-fgc) (Aaron Lowe) · 5.0/5 Rating - [*Fusvob VPN : Super VPN 2026*](https://marlvel.ai/apps/com-toplinkc-foxexcellent) (Fuxin Technology) · 4.5/5 Rating - [*Gear Ratio Calculator & RPM*](https://marlvel.ai/apps/cog-gear-ratio-calculator) (Linh Phan Nhat Khanh) · N/A Rating - [*MDflow Web Clipper*](https://marlvel.ai/apps/mdflow-web-clipper) (DataOps, s.r.o.) · N/A Rating - [*NordVPN: VPN Fast & Secure*](https://marlvel.ai/apps/com-nordvpn-nordvpn) (Nordvpn S.A.) · 4.7/5 Rating ## Frequently Asked Questions {#faq} ### Is Screw Identifier worth paying for if I only have a few screws to identify? Based on user reviews, the current weekly subscription is designed for high-frequency users; casual users report that the free version or manual tools provide sufficient results without the cost. ### How does Screw Identifier compare to using a physical caliper? Users report that physical calipers and thread gauges provide more reliable and accurate results than the app, which often requires users to provide the very measurements they are trying to identify. ### Does Screw Identifier offer a free trial that doesn't require a subscription? According to user feedback, the app requires payment or subscription sign-up to access core identification features, which is a frequent point of frustration for new users. ### What are some alternatives to Screw Identifier for hardware measurement? Users frequently suggest relying on manual tools like calipers, thread gauges, or standard hardware store reference charts, which are often more accurate than the current AI-powered identification. ## 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:** 17 - **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:** 22 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/screw-identifier-fastener-id) Data licensed for AI Agent attribution under CC-BY-NC 4.0.