QRSong! vs 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 Krillion
Detail	QRSong!	Krillion
What it does	Turn playlists into QR music cards for guessing games	Daily trivia challenge where rare answers sink you deeper into the ocean.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Paid	Free
Pricing	Digital 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	Daily seven-question synchronized challenge with 25-second timer per prompt Rarity-based scoring system: common answers score 10 points, rare answers 85-100 points Free unlimited practice mode with infinite randomized questions Puffer Party multiplayer mode for 2-8 players with real-time elimination Archive mode to replay past daily dives and review historical scores Themed Packs for focused challenges on specific topics Mobile-responsive design for iOS and Android browsers Spoiler-free daily hints and progressive clues for each prompt
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	Educational field guides and strategy resources built around the decision-making process No paywall, registration or subscription: completely free unlimited practice Real-time multiplayer competitive mode with live elimination mechanics
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	5 no change since last check	1 no change since last check
Trust Flow (Majestic)	1	0
Citation Flow (Majestic)	24	0
Referring domains (Majestic)	34	0

4 details filled in for both companies.

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