1. [Home](https://www.g2.com/) 2. ... 3. [Online Marketplace Optimization Tools](https://www.g2.com/categories/online-marketplace-optimization-tools) 4. [m19 Discussions](https://www.g2.com/products/m19/discuss) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_e10f526c2d1023af055a8ca610954407/m19.jpg "Product Avatar Image") ](/products/m19/reviews) [ m19 ](/products/m19/reviews) (10)4.8/5 m19 is the Amazon advertising platform for sellers and agencies who want to grow profitably without spending hours managing campaigns. Most Amazon PPC tools automate the mechanics. m19 automates the thinking. Instead of writing rules, setting bids manually, or curating keyword lists, you define a business goal — ACoS target, TACoS target, or monthly budget — and m19's AI engine handles everything else. Every 24 hours, the algorithm analyzes 90 days of account data, adjusts thousands of keyword bids, expands your keyword landscape, and rebalances your campaign structure. No rules to write. No expertise required. What makes m19 different m19 is not rule-based. The algorithm learns from your account data and sets the right bid for every keyword-ASIN pair at every placement — daily. It adapts continuously to real performance data without manual intervention. Full-stack coverage is included: Sponsored Products, Sponsored Brands, Sponsored Display, and DSP — managed from a single dashboard. For sellers with strong organic rankings, m19 automatically reduces paid bids where your product already ranks organically, protecting margins and freeing budget for weaker placements. For agencies and multi-country operators, m19 supports 23 Amazon marketplaces worldwide with centralized account management and per-marketplace strategy configuration. Proven results Across 5,000+ accounts on all active Amazon marketplaces: 1. +25% to +50% average profitability improvement 2. −80% time spent on campaign management 3. 5x to 8x keyword landscape expansion within 72 hours Simple to start. No commitment. Onboarding takes approximately one hour. 30-day free trial, no credit card required. No annual contract. Cancel anytime in one click. Show More * * * ### 80.0 Nps Score Already have m19? ### All m19 Discussions Search Most CommentedMost HelpfulPinned by G2Newest All DiscussionsDiscussions with CommentsPinned by G2Discussions without Comments FilterFilter Filter byExpand/Collapse Sort by Most Commented Most Helpful Pinned by G2 Newest Filter by All Discussions Discussions with Comments Pinned by G2 Discussions without Comments ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • almost 3 years ago More Options - [ # What is m19 used for? ](/discussions/what-is-m19-used-for) What is m19 used for? 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