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QRSong! vs Hidden Door

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

QRSong! compared with Hidden Door
DetailQRSong! logo QRSong!Hidden Door logo Hidden Door
What it doesTurn playlists into QR music cards for guessing games Interactive storytelling platform where you play, create and share stories in beloved worlds
StageNot given Established
FoundedNot given 2020
Based inNot given US
Pricing modelPaid Freemium
PricingDigital PDF: €13 for up to 500 cards. Printed A4 sheets: from €19. Printed cards: from €21 for 50 cards, €67 for 500 cards. Gift box: €6.99 (discounted for multiple boxes). QRGames! add-on: €5 per playlist. App Designer: €9 one-time account upgrade. Free tier includes unlimited play across all worlds, character chat, and personal profile. Creator plan available for creating and sharing custom worlds (price not specified on pricing page).
Key features
  • Support for Spotify, Apple Music, YouTube Music, Tidal and Deezer playlists
  • Customizable card design with personal photos, logos and fonts
  • Digital PDF format for instant home printing
  • Free companion app for iOS and Android to scan and play cards
  • Music Bingo, Music Trivia and Music Timeline game modes
  • Verified release years checked by AI and manual review
  • Up to 10 different card designs in a single deck
  • App Designer to customize the app's appearance with personal branding
  • Optional gift box with custom lid design and personal message
  • Interactive fiction gameplay with branching narratives
  • Character chat and side conversations
  • Atlas world-building studio
  • Licensed worlds from film and publishing partners
  • Modifier cards for story customization
  • Private and public world sharing options
  • Creator API for building custom experiences
  • Hand-drawn art and human-written narrative beats
What makes it different
  • Advanced AI algorithm for accurate release year determination with manual verification
  • One-time purchase with no subscription or recurring fees
  • Ability to add songs to existing orders after purchase
  • Compatibility with Hitster cards and other QR music card games in the app
  • Earn discount credits by sharing playlists with the community
  • Protects creator IP and never trains models on partner content
  • Narrative world model ensures canon compliance across all player stories
  • Human-created narrative beats and art paired with specialized AI
  • Transmedia experience combining fanfiction, RPGs and social gameplay
  • Small tuned models that outperform larger general models on narrative tasks
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)5 no change since last check44 no change since last check
Trust Flow (Majestic)119
Citation Flow (Majestic)2437
Referring domains (Majestic)34602

5 details filled in for both companies.

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