Coin World+

Coin World+

By Amos Media Company

Coin World+ is a reference and management tool designed for numismatists to track coin portfolios, authenticate items, and access historical grading data. The app integrates NFC technology for physical tagging and provides a marketplace for users to message and transact with other collectors.

Overview · Full Intel report in progress

The App DNA

What makes this app unique?

For Coin collectors and numismatists seeking to manage, value, and trade their collections.

What does it look like?

Key features

Portfolio Managementstandard

Users can build a wantlist and manage their coin collections digitally.

NFC Taggingstandard

The app allows users to securely tag coins using NFC technology for authentication and data tracking.

Marketplace Integrationstandard

Collectors can search marketplaces, message other users, and transact directly within the app.

Coin Identificationstandard

Features include scanning capabilities and tap-to-identify functions to access values and sale history.

How much does it cost?

free

Velocity

Dormant developmentShow more...

4 versions in history. Development pace: zombie.

See all version history

Who built it?

Amos Media Company

1 app tracked · Reference

Explore the full publisher profile

User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
1.92 · 24

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Coin World+

How's the Reference market?

The rivals identified

The Analyst's Read

Key takeaways for Coin World+

Where is it heading?

Bottom line

Users report significant technical instability and broken core functionality, leading to widespread dissatisfaction with the app's current state.

Report last updated

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 Coin World+, 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. “Coin World+ Intelligence Report.” Updated Apr 27, 2026. https://marlvel.ai/apps/coin-world

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