Real-World Case Studies and Customer Success Stories with CloudSponge

CloudSponge helped PledgeStar increase fundraising recipient list sizes by 72%. The platform enabled users to import contacts directly from address... books, making it easier to reach more donors. PledgeStar raised over $5 million from CloudSponge recipients alone. Onboarding time for users dropped by 80%. The solution saved development time and improved customer satisfaction.
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CloudSponge helped Nuzzel boost referrals by 1,900%. Before, users referred about five people each. Now, the average user refers over... 100 contacts. CloudSponge made it easy to import address books from Gmail, Yahoo, and more. Nuzzel saved thousands in engineering costs and launched the integration in just one day. 90% of Nuzzel's growth now comes from CloudSponge-powered referrals.
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Nextdoor used CloudSponge to boost viral growth by making it easy for users to invite neighbors from their address books. After optimizing invitation... flows, address book imports increased by 300%. CloudSponge helped Nextdoor expand quickly into new countries like the UK and Netherlands. The integration reduced development time and maintenance costs. Nextdoor credits CloudSponge for supporting its rapid international expansion and user acquisition.
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CloudSponge helped Nuzzel boost referrals to their newsletter platform by 1,900%. Before, users referred just 1–5 people. Now, the average... user refers over 100 contacts. CloudSponge’s address book integration made it easy for users to invite friends from Gmail, Yahoo, Outlook, and more. Nuzzel saved thousands in engineering costs and completed implementation in just one day. 90% of Nuzzel’s growth now comes from referrals using CloudSponge.
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CloudSponge helped PledgeStar boost fundraising reach by 72%. PledgeStar users can now import contacts directly from address books, making it... easier to build recipient lists. This led to over $5 million raised from CloudSponge-enabled recipients. Onboarding time for users dropped by 80%. The integration improved customer satisfaction and streamlined the pledge process.
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Nextdoor used CloudSponge to boost viral growth by making it easy for users to invite neighbors from their address books. After optimizing invitation... flows, address book imports increased by over 300%. CloudSponge helped Nextdoor expand quickly into new countries like the UK and Netherlands by simplifying integration with many email providers. The solution reduced development time and maintenance costs. Nextdoor credits CloudSponge for driving rapid user acquisition and supporting international growth.
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CloudSponge helped Spokeo onboard over 30,000 accounts by enabling bulk contact imports from Gmail, Yahoo, and other providers. This integration generated... more than 4 million user connections in the Spokeo Connections dashboard. Spokeo achieved a 30-50x ROI by choosing CloudSponge over building and maintaining in-house integrations. The solution allowed Spokeo to focus on product innovation instead of technical maintenance. CloudSponge's responsive support ensured smooth implementation and ongoing reliability.
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CloudSponge helped Morning Brew make it easy for users to share their newsletter. Users could import contacts from Gmail and... other address books with a few clicks. This led to twice as many referrals sent by each user. Morning Brew grew to over 1 million newsletter subscribers. Over 1,000 newsletter invitations are sent daily by current subscribers. CloudSponge made the referral process simple and boosted subscriber growth.
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CloudSponge helped Gainfully cut project development time by 80%. Gainfully used CloudSponge to let users import contacts from many sources... with one integration. This made onboarding faster and easier for financial advisors. Support issues dropped by 90%. Gainfully saw a 14x return on investment and 70,000 high value connections imported.
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CloudSponge helped Greenvelope make it easier for users to import contacts for email invitations. Greenvelope used CloudSponge to cut support... hours, improve user experience, and expand globally. The company saw over 40% annual growth, added 6 non-English languages, and achieved a 20% increase in address book imports. CloudSponge let users import contacts from Gmail, Yahoo, and more, reducing manual work and support tickets. This saved development time and helped Greenvelope grow faster.
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CloudSponge helped DonorsChoose make it easier for teachers and donors to share classroom projects. DonorsChoose saw a 65% increase in... donation request emails after switching to CloudSponge. Teachers can now import contacts and send more accurate donation requests. The upgrade to the mobile-friendly CloudSponge widget took just one hour. DonorsChoose now sends 112,000 donation solicitations each year using CloudSponge.
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CloudSponge helped Spokeo onboard over 30,000 accounts by enabling bulk contact imports from Gmail, Yahoo, and other providers. Spokeo used CloudSponge... to let users quickly add contacts, leading to over 4 million new connections in their dashboard. The integration delivered a 30-50x ROI compared to building and maintaining the technology in-house. CloudSponge's support and always-up-to-date integrations were key factors in Spokeo's decision. Spokeo's team could focus on core features instead of maintaining complex integrations.
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