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QRSong! vs Free Krillion

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 Free Krillion
DetailQRSong! logo QRSong!Free Krillion logo Free Krillion
What it doesTurn playlists into QR music cards for guessing games The free endless dive trivia game where the rarest answer wins
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelPaid Free
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. Not given
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
  • Seven prompts per dive with 25 seconds each
  • Six rarity scoring tiers from Plankton to One in a Krillion
  • Ocean depth visualization showing score as metres descended
  • Five real ocean zones from Sunlit Shallows to Hadal Trench
  • Unlimited mode for endless practice dives
  • Daily dive with same prompts for everyone
  • Multiplayer with pass-and-play or online rooms
  • Practice mode with no time pressure
  • Question bank with 172 hand-built questions
  • No account required; play as guest
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
  • Rewards rare answers rather than just knowledge or speed
  • Never reveals answer lists to preserve mystery
  • Completely free with no premium tier or paywall
  • Score visualized as real ocean descent through five zones
  • Open-ended prompts with broad answer spaces
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 checkNot checked yet no change since last check
Trust Flow (Majestic)10
Citation Flow (Majestic)2413
Referring domains (Majestic)342

4 details filled in for both companies.

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