These guides compare the best alternatives to 36 popular data tools.

Each one leads with 1Lookup, our product: 43 data products on one API key and one credit balance, from $99 a month. Every price on every guide is verified on the vendor’s own pricing page.

• Best ZeroBounce alternatives1Lookup gives you 20,000 email checks for $99 a month, twice ZeroBounce's 10,000.
• Best NeverBounce alternatives1Lookup checks emails, phones and IPs on one key, while NeverBounce checks only email.
• Best Emailable alternatives1Lookup checks emails, phones and IPs on one key, while Emailable checks only email.
• Best Kickbox alternatives1Lookup costs a third less than Kickbox for a million email checks.
• Best Twilio Lookup alternatives1Lookup costs 75% less at a million lookups a month.
• Best Numverify alternatives1Lookup adds live HLR status, Do Not Call checks and email and IP validation on one key.
• Best ZoomInfo alternatives1Lookup sells contact data per lookup with no annual contract and no seats.
• Best Lusha alternatives1Lookup prices every search and reveal per lookup, with no seats.
• Best Clearbit alternatives1Lookup is a standalone enrichment API you can still buy, with 43 data products on one key.
• Best Social Blade alternatives1Lookup costs less per profile check than every Social Blade API pack.
• Best HypeAuditor alternatives1Lookup starts at $99 a month with no annual plan, while HypeAuditor starts at $299 a month billed annually.
• Best Modash alternatives1Lookup starts at $99 a month, while the Modash API starts at $10,000 a year.
• Best Apify alternatives1Lookup returns social data from ready endpoints, with no scraper to run or repair.
• Best DeBounce alternatives1Lookup checks emails, phones and IPs on one key, while DeBounce checks only email.
• Best Clearout alternatives1Lookup checks phones and IPs as well as emails, on one credit balance.
• Best BriteVerify alternatives1Lookup publishes its prices and starts at $99 a month, while BriteVerify sells only through sales quotes.
• Best EmailListVerify alternatives1Lookup checks emails, phones and IPs on one key, while EmailListVerify checks only email.
• Best MaxMind alternatives1Lookup puts a fraud score on every IP lookup, next to phone and email checks on the same key.
• Best IPinfo alternatives1Lookup puts a fraud score on every IP lookup, next to phone and email checks on the same key.
• Best TeleSign alternatives1Lookup charges less than half of TeleSign's $0.011 list price per phone lookup on every plan.
• Best Veriphone alternatives1Lookup adds live HLR status, Do Not Call checks and a TCPA litigator scrub on the same key.
• Best IP2Location alternatives1Lookup scores every IP for fraud and checks phones and emails on the same key.
• Best ipapi alternatives1Lookup scores every IP for fraud and checks phones and emails on the same key.
• Best ipstack alternatives1Lookup scores every IP for fraud and checks phones and emails on the same key.
• Best Prospeo alternatives1Lookup has no per-seat price, and its unused credits roll over for 3 months.
• Best FullEnrich alternatives1Lookup returns a verified work email in the same request, not by a webhook that typically takes 30 to 90 seconds.
• Best Anymail Finder alternatives1Lookup checks phones and IPs as well as emails, on the same credits.
• Best BatchData alternatives1Lookup begins skip tracing at $99 a month, where BatchData's smallest published skip tracing plan is $2,000 a month.
• Best BeenVerified alternatives1Lookup shows whether a US number is listed, part of the name and the city for free, with no signup.
• Best PropStream alternatives1Lookup returns a phone number with its line type and a Do Not Call flag from every trace, by CSV or API.
• Best REISkip alternatives1Lookup returns a phone number with its line type and a Do Not Call flag from every trace, by CSV or API.
• Best Skip Genie alternatives1Lookup returns a phone number with its line type and a Do Not Call flag from every trace, by CSV or API.
• Best Spokeo alternatives1Lookup charges per record found, and nothing when there is no match.
• Best Tracerfy alternatives1Lookup runs email, phone and IP checks on the same credits as the skip trace, by CSV or API.
• Best Truecaller alternatives1Lookup looks up a US number on the web, with no app and no signup for the free result.
• Best Whitepages alternatives1Lookup shows part of the owner's name for free, with no signup.

Looking for a direct head-to-head instead? See the full comparison directory, our ranked top 10 lists or 1Lookup pricing.