Add to CRM vs. ZelNum Comparison


Add to CRM Sellframe	ZelNum	+	+
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About Add to CRM is a Chrome extension and contact-enrichment service for B2B sales and prospecting teams. It finds business email addresses, phone numbers, job titles, and company details from LinkedIn profiles, Gmail, Outlook, and company websites, then sends enriched contact records to a connected CRM or Google Sheets. Users can map results to custom CRM fields, check for existing records, update contacts, and log notes or activities. The service connects with more than 29 CRM products and includes prospect search features. Depending on the subscription, teams can also use LinkedIn Sales Navigator enrichment, bulk or automatic direct-message imports, job-change alerts, saved text snippets, and AI-assisted message writing. Its REST API supports contact and company enrichment, email verification, people search, CRM updates, event access, and list operations, and is available on the Pro plan.	About ZelNum is a web-based verification and data-cleansing platform for businesses, sales teams, marketers, and developers. It helps users verify WhatsApp, Telegram, and phone numbers, check carrier and line-type information, and enrich contact records with country and phone data. Users can run individual checks, upload CSV or TXT files for bulk processing, or connect through the API for automated workflows. With more than 40 verification checks available, ZelNum helps teams clean contact lists, improve data quality, qualify leads, prepare outreach campaigns, and review potential risks. Free manual tools are available, while paid checks use transparent pay-as-you-go pricing with no subscription required. ZelNum provides verification signals, not identity proof, and should be used only with authorized data.
Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience B2B sales and prospecting teams, including sales development representatives (SDRs) and founders who find and manage prospects through professional networks and CRM tools.	Audience Sales and marketing teams, CRM and operations teams, lead-generation agencies, developers, and businesses that need to verify, clean, and enrich contact lists at scale.
Support Phone Support Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Supported 24/7 Live Support Not Supported Online Supported
API Offers API Supported	API Offers API Not Supported
Screenshots and Videos No images available	Screenshots and Videos No images available
Pricing $29/seat/month Standard is $29 USD per seat/month or $300 USD per seat/year and includes 250 enrichment credits per month. Pro is $99 USD per seat/month or $996 USD per seat/year and includes 1,000 credits per month. Enterprise pricing is custom for teams of 10 or more. GBP and EUR prices are also offered. New accounts receive a 7-day Standard trial with a valid card; trial use is capped at 30 enrichments and searches per day. Billing begins on day 8 unless canceled. Unused credits expire monthly. Free Version Not Supported Free Trial Supported	Pricing Pay-as-you-go Free Version Supported Free Trial Not Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software

Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Not Supported Live Online Supported In Person Not Supported
Company Information Sellframe Founded: 2014 United Kingdom addtocrm.com	Company Information ZelNum Founded: 2026 Hong Kong zelnum.com
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Categories Lead Intelligence Supported	Categories Phone Verification Supported

Integrations ActiveCampaign Supported Agile CRM Supported Airtable Supported Bitrix24 Supported Breakcold Supported Close Supported Copper Supported Fireberry Supported GoHighLevel Supported Gold-Vision CRM Supported Make Supported Nimble Supported Nutshell Supported Onpipeline Supported Pipeline CRM Supported Zoho CRM Supported Zoho Recruit Supported folk Supported monday CRM Supported n8n Supported Show More Integrations View All 35 Integrations	Integrations ActiveCampaign Not Supported Agile CRM Not Supported Airtable Not Supported Bitrix24 Not Supported Breakcold Not Supported Close Not Supported Copper Not Supported Fireberry Not Supported GoHighLevel Not Supported Gold-Vision CRM Not Supported Make Not Supported Nimble Not Supported Nutshell Not Supported Onpipeline Not Supported Pipeline CRM Not Supported Zoho CRM Not Supported Zoho Recruit Not Supported folk Not Supported monday CRM Not Supported n8n Not Supported Show More Integrations View All 1 Integration
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