TL;DR - KingSumo
- Viral giveaway platform that grows email lists through social sharing
- Free plan available; lifetime deal at $49 removes all limits
- Built by AppSumo with unlimited campaigns and GDPR compliance
Pricing: Free plan available
Best for: Growing teams
4.0/5 across review platforms
Pros & Cons
Pros
- One-time lifetime payment eliminates recurring subscription costs
- Viral sharing mechanics amplify reach without ad spend
- Dead-simple setup takes minutes, not hours
- Free plan available with core giveaway features
- Built and backed by the AppSumo ecosystem
- GDPR compliance built in for international campaigns
Cons
- Viral entries can attract low-quality leads who only want prizes
- Limited analytics and reporting compared to full marketing suites
- No A/B testing for giveaway page variations
- Design customization options are basic
- Integration ecosystem is narrow beyond email providers
Ratings Across the Web
4(1 reviews)
Ratings aggregated from independent review platforms. Learn more
Preview
Key Features
Unlimited viral giveaway campaigns with no capsBonus entry system that rewards social sharingAuto-reminder emails to boost participation ratesGDPR-compliant data collection and consent managementEmbeddable giveaway widgets for any websiteMultiple prizes and winners per campaignCustom branding and sponsored entry removal (paid)Meta Pixel and conversion tracking integrationTranslation and localization for global campaignsCustom rules, terms, and additional entry fields
Pricing
Freemium
KingSumo offers a generous free tier with optional paid upgrades for advanced features.
About KingSumo
By Toolradar Team·
KingSumo is a viral giveaway platform that helps businesses grow their email lists and social followings through contests. Participants earn bonus entries by sharing with friends, creating organic audience growth at scale. The tool supports unlimited giveaways with GDPR compliance, auto-reminder emails, multiple prize configurations, and website embedding. Built by the AppSumo team, KingSumo offers a lifetime deal model that eliminates recurring costs for marketers and entrepreneurs.
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KingSumo FAQ
Is KingSumo free to use?
Yes, KingSumo offers a free plan with unlimited giveaways, bonus entries, GDPR compliance, and website embedding. The $49 lifetime plan adds custom branding, conversion tracking, and Meta Pixel integration.
How does the viral sharing mechanic work?
Each participant gets a unique referral link. When friends enter through that link, the original participant earns bonus entries, incentivizing organic sharing across social media and email.
Can I embed KingSumo giveaways on my website?
Yes. KingSumo provides embeddable widgets that you can add to any website, landing page, or blog post. Giveaways can also run on a hosted KingSumo page.
What integrations does KingSumo support?
KingSumo integrates with major email marketing platforms for automatic subscriber syncing. The paid plan adds Meta Pixel tracking and conversion tracking for advertising optimization.
Is KingSumo GDPR compliant?
Yes. KingSumo includes built-in GDPR compliance features including consent checkboxes and data collection controls, making it suitable for running giveaways with European audiences.
Source: kingsumo.com