# Top 10 Phone Number Monitoring Alternatives & Competitors Phone Number Monitoring is one of the most-searched tools in the Phone Verification Software category on G2. In most cases, users compare alternatives based on reliability and ease of use. The best overall alternative to Phone Number Monitoring is [Validity Engage](https://www.g2.com/products/validity-engage/reviews), rated ~4.5 stars on G2 from 973+ reviewers. It is frequently praised for email management and email marketing. Other well-known alternatives to Phone Number Monitoring are: - [Plivo](https://www.g2.com/products/plivo/reviews) – known for customer support and pricing (G2 star rating ~4.5) - [Vonage Communications APIs](https://www.g2.com/products/vonage-communications-apis/reviews) – highly rated for api integration and api quality (G2 star rating ~4.2) - [MSG91](https://www.g2.com/products/msg91/reviews) – offers customer support and helpful (G2 star rating ~4.5) - [Textmagic](https://www.g2.com/products/textmagic/reviews) – best suited for teams that need helpful and affordable (G2 star rating ~4.4) Browse top options below. Based on G2 review data, Phone Number Monitoring is most commonly used in industries like [Phone Verification Software](https://www.g2.com/categories/phone-verification), [Communication Platform as a Service (cPaaS) Platforms](https://www.g2.com/categories/communication-platform-as-a-service-cpaas), [SMS Marketing Software](https://www.g2.com/categories/sms-marketing). Compare user ratings by vertical to find the best fit. [Get Price](/products/phone-number-monitoring/software_advice_form_fill/new) ## Top 10 Alternatives to Phone Number Monitoring Recently Reviewed By G2 Community Browse options below. Based on reviewer data, you can see how Phone Number Monitoring stacks up to the competition and find the best product for your business. [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. [ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/4077329622e6a8396b9bd5f00c9d5b44/validity-engage.png "Product Avatar Image") ](https://www.g2.com/products/validity-engage/reviews) [ Validity Engage ](https://www.g2.com/products/validity-engage/reviews) By [Validity Inc](https://www.g2.com/sellers/validity-inc) [ 4.5/5(989) ](https://www.g2.com/products/validity-engage/reviews#reviews) Product Description Litmus is an email marketing solution that works alongside your ESP to help you create error-free emails in less time. In one platform, you can build faster, personalize better, test thoroughly, monitor deliverability, and analyze email performance. Categories in common with Phone Number Monitoring: [ Phone Verification ](/categories/phone-verification) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/94cbca44569818513519d364cc037f18/plivo.png "Product Avatar Image") ](https://www.g2.com/products/plivo/reviews) [ Plivo ](https://www.g2.com/products/plivo/reviews) By [Plivo](https://www.g2.com/sellers/plivo-2880e029-89f5-4ba3-8133-8e791654a76e) [ 4.5/5(747) ](https://www.g2.com/products/plivo/reviews#reviews) Product Description Global SMS & Voice calls for businesses of all sizes Categories in common with Phone Number Monitoring: [ Phone Verification ](/categories/phone-verification) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/333d84f771a77f2d8c628aef2bcea65b/vonage-communications-apis.png "Product Avatar Image") ](https://www.g2.com/products/vonage-communications-apis/reviews) [ Vonage Communications APIs ](https://www.g2.com/products/vonage-communications-apis/reviews) By [Vonage](https://www.g2.com/sellers/vonage) [ 4.2/5(404) ](https://www.g2.com/products/vonage-communications-apis/reviews#reviews) Product Description Vonage Communications APIs enable you to transform your customer experiences with programmable video, voice, messaging, and more. Categories in common with Phone Number Monitoring: [ Phone Verification ](/categories/phone-verification) [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. [ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/1bccbd6e9e586f32ee241d9c88945381/msg91.jpg "Product Avatar Image") ](https://www.g2.com/products/msg91/reviews) [ MSG91 ](https://www.g2.com/products/msg91/reviews) By [MSG91](https://www.g2.com/sellers/msg91) [ 4.5/5(199) ](https://www.g2.com/products/msg91/reviews#reviews) Product Description A cloud communication platform offering powerful messaging solutions to empower business communications. Categories in common with Phone Number Monitoring: [ Phone Verification ](/categories/phone-verification) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/0dc36facb2b8d7d0add40213061f593d/textmagic.png "Product Avatar Image") ](https://www.g2.com/products/textmagic/reviews) [ Textmagic ](https://www.g2.com/products/textmagic/reviews) By [TextMagic](https://www.g2.com/sellers/textmagic) [ 4.4/5(128) ](https://www.g2.com/products/textmagic/reviews#reviews) Product Description The all-in-one solution for all your business texting needs - marketing campaigns, two-way SMS chats, reminders, notifications, and internal staff communication. Categories in common with Phone Number Monitoring: [ Phone Verification ](/categories/phone-verification) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/1f88a466603cd47eba632a71e7f52c35/ipqs.png "Product Avatar Image") ](https://www.g2.com/products/ipqs/reviews) [ IPQS ](https://www.g2.com/products/ipqs/reviews) By [IPQualityScore](https://www.g2.com/sellers/ipqualityscore) [ 4.6/5(113) ](https://www.g2.com/products/ipqs/reviews#reviews) Product Description IPQualityScore (IPQS) is the perfect solution to deploy against sophisticated fraud, especially when other vendors fall short at stopping abuse for your use case. Using a seamless approach that works in the background, IPQS can identify fraud with 99.97% accuracy, eliminating noise around legitimate users and high quality behavior. Using tools like IP address intelligence, email verification, phone validation, and device fingerprinting, IPQS can identify digital impersonation, human-like bots, stolen user & payment data, and synthetic identities. IPQS also uses AI technology and machine learning algorithms to detect fraudulent behavior patterns in real-time. Best of all, our data is optimized for any use case across any region of the world. Categories in common with Phone Number Monitoring: [ Phone Verification ](/categories/phone-verification) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/21b637cf049a26a4d49aced1365f8525/smarter-contact.png "Product Avatar Image") ](https://www.g2.com/products/smarter-contact/reviews) [ Smarter Contact ](https://www.g2.com/products/smarter-contact/reviews) By [Smarter Contact](https://www.g2.com/sellers/smarter-contact) [ 4.9/5(89) ](https://www.g2.com/products/smarter-contact/reviews#reviews) Product Description Smarter Contact is the market-leading AI-Powered Text and Voice Communications Platform. It is an all-in-one integrated platform that allows customers to: - Engage contacts to consistently have more conversations - Nurture contacts though the funnel - Close deals by turning leads to revenue - Measure results to scale what works or fix what doesn’t. Build relationships, engage leads, close deals, and achieve your earning potential up to 10x faster. Categories in common with Phone Number Monitoring: [ Phone Verification ](/categories/phone-verification) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/b83786ef405de52fcfe415671b64e997/melissa-data-quality-suite.png "Product Avatar Image") ](https://www.g2.com/products/melissa-data-quality-suite/reviews) [ Melissa Data Quality Suite ](https://www.g2.com/products/melissa-data-quality-suite/reviews) By [Melissa](https://www.g2.com/sellers/melissa) [ 4.4/5(82) ](https://www.g2.com/products/melissa-data-quality-suite/reviews#reviews) Product Description Instantly verify & correct contact data at point of entry Up to 20 percent of a company’s contacts contain bad data according to industry experts; resulting in returned mail, address correction fees, bounced emails and wasted sales and marketing efforts. Use the Data Quality Suite to standardize, verify and correct all your contact data: postal address, email address, phone number and name for effective communications and efficient business operations. Verify, standardize, & transliterate addresses for over 240 countries Use intelligent recognition to identify 650,000+ ethnically-diverse first & last names Authenticate phone numbers, geo-data & ensure mobile numbers are live & callable Validate domain, syntax, spelling, & even test SMTP for global email verification Categories in common with Phone Number Monitoring: [ Phone Verification ](/categories/phone-verification) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/2919348836c199f7026bd308512beb89/twilio-verify.png "Product Avatar Image") ](https://www.g2.com/products/twilio-verify/reviews) [ Twilio Verify ](https://www.g2.com/products/twilio-verify/reviews) By [Twilio](https://www.g2.com/sellers/twilio) [ 4.6/5(68) ](https://www.g2.com/products/twilio-verify/reviews#reviews) Product Description Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise. Categories in common with Phone Number Monitoring: [ Phone Verification ](/categories/phone-verification) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/ecba1513cb777b62fa2e714d476cddc7/postcoder.png "Product Avatar Image") ](https://www.g2.com/products/postcoder/reviews) [ Postcoder ](https://www.g2.com/products/postcoder/reviews) By [Allies Computing](https://www.g2.com/sellers/allies-computing) [ 4.7/5(61) ](https://www.g2.com/products/postcoder/reviews#reviews) Product Description Postcoder is the API for address lookup and form validation. Create a quick and accurate data capture experience for your websites and apps. 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