CardGenie - Sports Cards icon

Brian Rabe

For sports card collectors and investors seeking to organize physical inventory and monitor market trends.

1app4.3(485)Sports

Snapshot

Who is Brian Rabe?

Providing sports card collectors with a centralized platform to manage inventory and track market valuations. Simplifying the appraisal process for physical card collections.

Target audience

Sports card collectorsInvestors seeking to organize physical inventoryMonitor market trends

Active nemesis

Ludex

Other rivals

Portfolio

1
app
Sports1

Last updated

CardGenie - Sports Cards

v7.5

8mo ago

Steady

Publisher DNA

What defines Brian Rabe?

Publisher DNA

Primary focus

Sports card collection management tools

Scale

indie

Target audience

Sports card collectors and investors seeking to organize physical inventory and monitor market trends.

Signature Patterns

  • •Focus on inventory management for physical collectibles
  • •Integration of third-party market data and population reports
  • •Paid pricing model for core utility features
  • •Cross-category support including baseball, basketball, and trading card games
Steady

Portfolio momentum

Released 2 updates in the last 6 months for their single active application, indicating a maintenance-focused development cycle.

Last release 22d agoActive apps 1

Portfolio

What does Brian Rabe ship?

Apps

1 app analysed

  • Simple card cataloging interface provides value for collectors tracking their personal collection
  • Unexpected transition from one-time purchase to recurring monthly subscription model frustrates users

Single-market publisher, every app ships only to United States.

Based on 1 of 1 app with localized market data · last scanned .

Americas (1)

  • United States1 / 1

Core markets (1/1 apps)

United States

User Sentiment

How do users feel about their apps?

0

Positive apps

0

Neutral / mixed

1

Negative apps

35/100

Avg sentiment score

Rivals

Who does Brian Rabe compete with?

The rivals identified

Nemeses(1)

Ludex

known forLUDEX Sports Card Scanner +TCG

1 app4.7Sports

Dominates the niche with high-frequency updates and specialized computer vision technology for instant card identification.

Contenders(1)

Next Vision

known forStarSnap: Sports Card Scanner

1 app4.7Sports

Directly competes in the card scanning niche with a focus on rapid identification and market tracking.

Same space(2)

The Action Network

known forAction Network: Sports Betting

1 app4.8Sports

Adjacent utility app that captures the same sports-focused audience through betting analytics and tracking.

The Topps Company

known forTopps® BUNT® MLB Card Trader

2 apps3.9Sports

Represents the digital-first card collecting experience, serving as a primary alternative for MLB-focused users.

New entrants(1)

Chalkboard Fantasy Sports

known forChalkboard Sports

1 app4.7Sports

High-velocity development with 19 releases in six months indicates a rapid iteration strategy targeting younger demographics.

The Analyst's Read

The bottom line on Brian Rabe

Bottom line

CardGeniePro is a focused utility publisher that has successfully carved out a niche in the sports collectibles market. Their reliance on a single, well-rated application suggests a stable product-market fit centered on data-driven collection management.

Frequently asked questions

How many apps does Brian Rabe publish?
Brian Rabe has 1 app tracked by Marlvel, primarily in the Sports category.
What kind of apps does Brian Rabe make?
Brian Rabe's portfolio is concentrated in Sports, with an average rating of 4.3/5 across rated apps.
What is Brian Rabe's top app?
By review volume across the portfolio, CardGenie - Sports Cards is Brian Rabe's best-known app tracked by Marlvel.
In how many countries are Brian Rabe's apps available?
Marlvel has tracked Brian Rabe's apps across 1 country.

What fed this analysis

Apps analyzed:
1
With full intel:
0
With overview:
1
Website scraped:
yes
Social presence:
yes

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Brian Rabe, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Brian Rabe intelligence.” Updated 2026-05-10. https://marlvel.ai/publishers/brian-rabe

See methodologyContact support

Data licensed under CC-BY-NC 4.0