influencermarketingplatform

Updated September 2026

SocialBook review

SocialBook is an influencer discovery and outreach platform with a free YouTube/Instagram stats checker and a paid database search tool. Best for brands wanting a free stats checker plus a mid-size paid influencer search tool. Starts at $499/mo (Business/Platinum plan).

Operated by Boostinsider; still live as of Sept 2026, offering a free Chrome-extension stats checker alongside paid influencer search plans.

Key features

  • Free stats checker
  • Advanced influencer search
  • Mass email outreach
  • Instagram DM outreach
  • Campaign management
  • Influencer comparison lists

Pros

  • Free Chrome extension for basic YouTube/Instagram stats
  • Large claimed creator database (300M+)

Cons

  • Exact pricing tiers are not clearly published; figures vary across third-party listings
  • No confirmed free trial for the paid search tool

SocialBook alternatives

  • Lefty

    luxury and lifestyle brands running influencer discovery and campaign management

    Custom demo pricing

    30M+ vetted influencers

    • Instagram
    • TikTok
    • YouTube
    • X (Twitter)
    • Twitch
    • Snapchat

  • Kolsquare

    European brands and agencies needing creator discovery plus social listening

    Custom demo pricing

    Millions of influencer profiles

    • Instagram
    • TikTok
    • YouTube
    • Twitch

  • Emplifi

    enterprise commerce brands scaling creator programs with revenue attribution

    Custom demo pricing

    30M+ creator profiles

    • Instagram
    • TikTok
    • YouTube
    • Facebook
    • Pinterest
All SocialBook alternatives →

Sources: socialbook.io, socialbook.io, app.socialbook.io, app.socialbook.io, www.softwareadvice.com, influencermarketinghub.com