---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "StacknTrack: LEGO Set Tracker"
developer_entity: "MATTHEW ALAN MATTHIESSEN"
bundle_id: "com.mmatthiessen.stackntrack"
app_store_id: "6759355660"
category: "Utilities"
primary_platform: "ios"
primary_monetization: "Freemium"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2026-04-05"
report_date: "2026-08-31"
last_verified: "2026-08-31T00:00:00.000Z"
report_version: "1.0"
total_reviews: 1
overall_rating: 3
confidence: "low"
confidence_score: 0.05
data_age_days: 76
momentum_velocity: "zombie"
intelligence_version: 3
tags: ["utilities", "freemium", "mobile app", "app review", "app analysis", "collectors", "track", "inventory,"]
canonical_url: "https://marlvel.ai/apps/stackntrack-lego-set-tracker"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# StacknTrack: LEGO Set Tracker Intelligence Report

## TL;DR {#tldr}

- **Category**: Utilities · Freemium
- **Signal**: Rating 3

> **TL;DR:** StacknTrack: LEGO Set Tracker is a utilities app by MATTHEW ALAN MATTHIESSEN, rated 3/5 by 1 users, available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** StacknTrack: LEGO Set Tracker is a utilities app by MATTHEW ALAN MATTHIESSEN.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 3/5 (1 review) |
| **Category** | Utilities |
| **Developer** | MATTHEW ALAN MATTHIESSEN |
| **Pricing** | Freemium |
| **Platforms** | iOS |
| **Confidence** | Low (0.05/1.0) |
| **Data Age** | 76d |

## Metadata & Market Performance
- **Publisher:** MATTHEW ALAN MATTHIESSEN
- **Category:** Utilities
- **Target Audience:** LEGO collectors who need to track inventory, manage spending, and monitor the market value of their sets.
- **Platforms:** iOS
- **Version Reviewed:** 1.0
- **Report Date:** 2026-08-31
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0.05/1.0)
- **App Store ID (iOS):** 6759355660
- **Bundle ID:** com.mmatthiessen.stackntrack
- **Performance Trend:** Stable
- **Data Window:** Analysis based on signals collected up to 2026-08-31

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** StacknTrack is a LEGO collection management and financial tracking app for iOS that allows users to search sets by UPC or theme.
**Why users hire it:** Collectors use the app to replace manual spreadsheets with a digital inventory that automatically monitors the financial value of their holdings.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Set Search:** Search for LEGO sets using set numbers, themes, or UPC barcodes; unlimited searches are gated behind the Pro tier.
  * *User Intent:* Users value self-expression and personalized experiences.
- **[Standard] Collection Management:** Organize LEGO sets into a personal digital collection to track inventory.
  * *User Intent:* Users want visibility into their own performance and progress.
- **[Differentiator] Financial Tracking:** Log purchase prices and monitor current collection value and savings, acting as a financial tool for collectors.
  * *User Intent:* Users want visibility into their own performance and progress.
<!-- /section:features -->

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

StacknTrack occupies the Utilities category as a niche financial tool for LEGO collectors, currently holding a 3-star rating on the App Store. The lack of updates since April 2026 suggests a stagnant market position relative to active database competitors.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Freemium
- **Tiers:** Free tier with limited searches, Pro tier for unlimited searches
- **Analysis:** The freemium model gates search volume to drive Pro conversion, though the current lack of updates may limit the perceived value of the Pro tier.

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

**Core Strengths:**
- Financial tracking features monitor collection value and savings
- UPC barcode search integration simplifies data entry

**Growth Levers:**
- Integration of real-time market pricing APIs
- Community-driven set sharing features


<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

The app remains in a maintenance-only state with no functional changes, though the SWOT analysis has been updated to better define specific technical strengths and competitive threats.

**Overall trend**: Stable
**Compared at**: 2026-08-31

### High-impact changes
- **[Added] Expanded SWOT Analysis** (swot)

### Medium-impact changes
- **[Added] Competitor Threat Definition** (swot)

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

- No updates in 148 days.
- Maintenance-mode status since April 2026.

> **Cadence:** 1 total versions · 0 majors in last 6 months · 148 days since last update

<!-- /section:momentum -->

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

StacknTrack: LEGO Set Tracker is an utilities app that is free with in-app purchases.
It holds a 3/5 rating from 1 review.

<!-- speakable-start -->
> **Bottom Line:** StacknTrack requires a feature refresh to move out of maintenance mode, as the current stagnation prevents the app from competing with active database rivals. A commitment to regular updates would unlock the potential of the Pro tier for serious collectors.
<!-- speakable-end -->

**Best for:** LEGO collectors who need to track inventory, manage spending, and monitor the market value of their sets.

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

- [ ] [INVEST] Ship one high-impact feature update because the product is in maintenance mode → restore user trust
<!-- /section:pm-actions -->

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

Users report: The LEGO collector market is consolidating around platforms that offer live pricing data and community features. StacknTrack remains exposed due to its lack of development, which will erode its user base if the developer does not resume a regular release cadence.

- 🔴 The 148-day update gap indicates the product is in maintenance mode, which will likely lead to user attrition as rivals continue to iterate.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 3/5 |
| Total Reviews | 1 |
| Confidence | Low |
| Pricing Model | Freemium |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Trend | Stable |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **StacknTrack: LEGO Set Tracker** (this app) | 3/5 | N/A | MATTHEW ALAN MATTHIESSEN |
| [Sota Connect: Secure Network](https://marlvel.ai/apps/fi-catconnect-sota) | 4.8/5 | N/A | Cat Connect |
| [V2Box - V2ray Client](https://marlvel.ai/apps/v2box-v2ray-client) | 4.6/5 | n/a | techlaim |
| [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) | 4.5/5 | Mixed | Fuxin Technology |

## Company Profile
- **Developer:** MATTHEW ALAN MATTHIESSEN

## Data Sources & Links
- **App Store ID:** 6759355660
- **Sources:** App store metadata.

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## Frequently Asked Questions {#faq}

### Is StacknTrack free to use?

StacknTrack is free to download and use, but it employs a freemium model that gates unlimited set searches behind a Pro tier subscription.

### Does StacknTrack track the value of my LEGO collection?

Yes, the app includes financial tracking features that allow users to log purchase prices and monitor the current market value of their collection.

### Is StacknTrack still being updated?

The app has not received an update since April 2026, indicating it is currently in a maintenance-only state.

## 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:** 0.05/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 0
- **Data Sources:** 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:** 76 days since last refresh

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