Comp Buddy
Sold-price comps for cards you watch on Whatnot streams, in browser or iOS
Cardikyu alternatives for Whatnot sellers
Cardikyu (free plan · from $5/mo): AI card ID and stream comps for Whatnot shows, beta, plans from $5/mo. The 12 closest tools are listed in the same categories (Live Show Tools, Sourcing & Pricing). 6 have a free plan or are free.
Cardikyu alternatives at a glance
| App | Pricing | Platforms | Official Whatnot API | Compare |
|---|---|---|---|---|
| Comp Buddy | Free plan · from $15/mo | Chrome extension, iOS | Not listed | vs Cardikyu |
| SellDeck | Free plan · from $8.99/mo | Web, Chrome extension | Not listed | vs Cardikyu |
| Whatnot Seller Analytics - Live Stream Insights | Free plan | Chrome extension | Not listed | vs Cardikyu |
| Whatnot Live Boost | Free plan | Chrome extension | Not listed | vs Cardikyu |
| WhatLabels | Free plan | Chrome extension | Not listed | vs Cardikyu |
| CutX | From $24.99/mo | Web, Chrome extension | Not listed | vs Cardikyu |
| Card Pilot | From $9/mo | Web | Not listed | vs Cardikyu |
| 888lots | Paid | Web | Not listed | vs Cardikyu |
| WhatCopilot | Paid | Web | Not listed | vs Cardikyu |
| LiveStreamPro | From $299/mo | Web, Chrome extension | Not listed | vs Cardikyu |
| BundleLive | From $29.99/mo | Web, Chrome extension | Not listed | vs Cardikyu |
| Underpriced AI | Free plan · from $5/mo | Web, Chrome extension, iOS, Android | Not listed | vs Cardikyu |
Prices checked by hand and may change; confirm on each maker's site.
Tools like Cardikyu
SellDeck
Locks eBay and Depop listings during Whatnot shows and tracks show profit
Whatnot Seller Analytics - Live Stream Insights
Live sales, buyer and profit overlay for Whatnot stream pages
Whatnot Live Boost
Chrome assistant for Whatnot shows: size detection, queue, buyer CRM, DMs
WhatLabels
Live label printing for Whatnot, eBay Live, Poshmark and TikTok Shop
Card Pilot
Inventory, labels and multi-channel listing for card sellers, incl. Whatnot
WhatCopilot
Margin dashboard and AI copilot for Whatnot shops, fed by CSV exports
LiveStreamPro
Control panel for Whatnot live shows: KPIs, giveaways, labels and buyer CRM
BundleLive
Sorts each live buyer's purchases into numbered bins and tracks show stats
Underpriced AI
Photo-to-listing pricing tool with a free extension for Whatnot forms
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