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Compare OptimumSource vs Core Conversion

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

OptimumSource Agency logo

OptimumSource

BPO & Outsourced Support Website

OptimumSource is a business process outsourcing provider with over 26 years of experience in accounting, IT development, research, analytics, telesales, and HR management. The agency builds scalable teams for global organizations and offers BPO, KPO, and ITO services.

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Core Conversion Agency logo

Core Conversion

Cold Email Outreach Website

Core Conversion is a Philippines-based digital marketing agency founded in 2015 that prioritizes real business growth over online rankings. The agency serves local and international clients with SEO, web development, and conversion-focused services at affordable rates.

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Feature Comparison

Attribute OptimumSource Core Conversion
Category BPO & Outsourced Support Cold Email Outreach
Rating - -
Location Pasig, Philippines Biñan, Philippines
Services
  • BPO
  • KPO
  • ITO
  • Accounting
  • IT development
  • Research
  • Analytics
  • Telesales
  • HR management
  • Web Development
  • SEO
  • CRO
  • PPC
  • Social Media Marketing
  • Email Marketing
  • Content Marketing
  • eCommerce
  • Phone Answering Services
  • Customer Support
  • Digital Marketing
  • BPO
  • KPO
  • ITO
  • Accounting
  • IT development
  • Research
  • Analytics
  • Telesales
  • HR management
  • Web Development
  • SEO
  • CRO
  • PPC
  • Social Media Marketing
  • Email Marketing
  • Content Marketing
  • eCommerce
  • Phone Answering Services
  • Customer Support
  • Digital Marketing
Industries
-
Consumer Goods Finance Legal Software & IT Services Transportation & Logistics
Pros
  • Over 26 years of BPO expertise since 1998
  • Builds scalable teams that exceed performance metrics
  • Over 15 years of combined digital marketing expertise
  • Transparent, ethical approach with affordable rates
  • Results-driven focus on foot traffic and sales growth
Website Visit Site Visit Site
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