Filter & Categories

Compare Closed:in vs OuterBox

Side-by-side comparison of features, pricing, services, ratings and more.

Closed:in

Cold Email Outreach Website

Closed:in is a cold-email specialist and Clay/Instantly partner building hyper-personalized outbound systems that book meetings and generate pipeline. They use Clay-powered outbound campaigns for B2B service companies to deliver sales calls within 2-3 weeks.

View Full Profile

Winner

OuterBox

B2B Lead Generation Website

OuterBox is a full-service digital marketing agency specializing in SEO, paid media, web design, CRO, and eCommerce strategies. Since 2004, they have helped over 1,000 B2B and B2C companies drive measurable revenue growth through results-driven online marketing.

View Full Profile

Feature Comparison

Attribute	Closed:in	OuterBox
Category	Cold Email Outreach	B2B Lead Generation
Rating	-	Winner +4.5 higher
Location	Utrecht	Akron, Ohio
Services	Cold email campaign design & ops Prospect sourcing & enrichment (Clay stacks) Deliverability engineering & inbox landing Reply qualification workflows & appointment setting Template + sequence personalization at scale Advertising PPC Marketing Advice Lead Generation SEO Search Engine Marketing	Cold email campaign design & ops Prospect sourcing & enrichment (Clay stacks) Deliverability engineering & inbox landing Reply qualification workflows & appointment setting Template + sequence personalization at scale Advertising PPC Marketing Advice Lead Generation SEO Search Engine Marketing
Industries	SaaS fintech recruitment agencies e-commerce financial services	B2B Services Ecommerce Manufacturing
Pros	High reply rates on top campaigns (claimed 50%+) Quick pipeline generation (e.g., $190K in 60 days) Official Clay Solutions Partner and Certified Instantly Expert End-to-end automation using Clay and Instantly Trusted by 50+ B2B companies	Deep expertise in industrial and eCommerce SEO, with additional capabilities in
Cons	No client reviews available on Clutch or G2 Small team (1-10 employees) may limit capacity for large-scale campaigns	Geographic focus is primarily United States, limiting appeal for international clients
Website	Visit Site	Visit Site

Explore Other Comparisons

Compare Closed:in or OuterBox with other Agencies:

closed in vs webserv closed in vs seo counsultant closed in vs 35 creatives closed in vs bench media outerbox vs webserv outerbox vs seo counsultant

Browse All Agencies

Free Plan Available

You shouldn’t have to overpay for cold email tools. With Mystrika, you won’t.

It does cold email warmup, sequences, unified inbox, and AI writing - all in one place. Every other tool that does this charges somewhere between $100 and $500 a month. Mystrika has a free plan. 500 prospects. No expiry. No card.

The people who consistently book meetings from cold email aren’t smarter. They just stopped leaving money on the table.

See the Free Plan

Cookie Consent Required