Real-World Case Studies and Customer Success Stories with CloudSponge

CloudSponge helped Nextdoor boost viral growth by making it easy for users to invite neighbors using their address books. Nextdoor saw a... 300% increase in address book imports after optimizing invitation flows. The integration let Nextdoor launch in three new countries, including the UK and Netherlands. CloudSponge reduced integration time and maintenance costs for Nextdoor. Email invitations became a key driver for user acquisition and international expansion.
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CloudSponge helped Spokeo improve its customer onboarding by letting users import contacts in bulk from Gmail, Yahoo, and other providers. This made it... easy for users to get value from the Spokeo Connections dashboard right away. Over 30,000 accounts imported contacts using CloudSponge, generating more than 4 million connections. Spokeo saw a 30-50x ROI by using CloudSponge instead of building the technology in-house. The integration let Spokeo focus on its core people intelligence features.
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CloudSponge helped Nuzzel grow their newsletter platform by making referrals easy. Nuzzel used CloudSponge to let users invite contacts from... any address book. Implementation took just one day. The average user now refers over 100 contacts, up from five. This is a 1,900% increase in referrals. Nuzzel saved thousands in engineering costs by not building their own integrations.
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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 PledgeStar boost fundraising reach by 72%. PledgeStar used CloudSponge to let users create recipient lists from their address... books. This made it easier for families to ask for donations. PledgeStar raised over $5 million from CloudSponge recipients. Onboarding time for users dropped by 80%. The platform now averages 18.2 donors per family, up from 10.6.
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