Browse Marketing Agencies
GrowThunders

GrowThunders

Review
8/10
🇵🇱 Krakow, Poland·Reviewed Jul 2026
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Industries
Mobile Gaming, Mobile Apps, Technology
GrowThunders

Clients

Hunt RoyaleModivo

GrowThunders Services

Mobile App MarketingInfluencer MarketingUser AcquisitionApp Store Optimization

Selected Work

Mobile RPG soft-launch: $3.12 CPA, 8% under forecast

A $35,000 influencer soft-launch across Hong Kong, Korea, and Taiwan used 11 creators to validate a mobile RPG before a planned global push. Delivered 907,400 views and 1,861 attributed installs at a $3.12 blended CPA (8% under the $3.40 forecast). Creator-sourced D7 retention was 22.6% versus an 18% paid-social benchmark.

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Clean skincare DTC US to EU: $4.20 CPA, +312% ROAS uplift

An $80,000 creator campaign for a clean-skincare DTC brand used 24 mid-tier creators across the US, UK, France, and Germany on 8-week transformation arcs. D90 results: 5.31 million views, 19,047 attributed first purchases, $4.20 blended CPA, and +312% ROAS versus the paid-social baseline. 90-day repeat purchase rate was 37.2% from creator-sourced buyers versus 19.4% from Meta.

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EU consumer lending launch: €36 approved-loan CAC

A $42,000 campaign across Poland, Spain, and Germany used 7 compliance-vetted creators for an EU consumer-lending launch. GrowThunders reports a €36 approved-loan CAC, a 14% install-to-approved-loan rate, and 67% lower CAC than Google at the approved-loan layer.

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