Optiseller Verified Customer Reviews (2026)

MikMak, a SPINS company, is a global software company that provides a leading commerce intelligence and orchestration platform for multichannel brands, helping them grow in real-time.

Accurate profit analytics for Amazon sellers offer comprehensive insights into various fees associated with selling on the platform, including FBA fees, commissions, PPC expenses, return costs, promotional costs, and fixed expenses like Virtual Assistant fees and Prep Center charges. Users can analyze their data based on specific timeframes, such as today or yesterday, and filter results by individual products for an in-depth assessment. The adaptable charts facilitate a swift evaluation of Key Performance Indicators, allowing for full customization of metrics like sales, unit profits, and return costs. Moreover, the output can be segmented by different timeframes and levels of detail, enabling users to examine trends from the previous year on a monthly basis or daily insights from the last month. Additionally, the interface supports multi-selection filtering by product or marketplace, providing both summary overviews and detailed product insights for each selected period. This interactive and intuitive P&L statement empowers sellers to concentrate on each specific aspect, such as Amazon fees, for every chosen timeframe, enhancing their understanding of overall profitability.

Crosslist is an innovative AI-powered cross listing application that empowers online sellers to effortlessly list and manage inventory across the world’s top marketplaces including eBay, Poshmark, Mercari, Vinted, Shopify, Etsy, and more. Supporting over 11 major marketplaces with one-click integrations, Crosslist lets users complete a single listing form and automatically autopost across multiple channels in the background, saving considerable time and manual effort. Sellers can bulk import existing inventory from one platform and instantly cross list or transfer listings to others, expanding their market reach within seconds. The platform provides a comprehensive dashboard for managing all listings centrally, including bulk relisting, delisting sold items, and inventory organization via customizable tags and templates. Leveraging advanced AI algorithms, Crosslist automatically generates detailed listing descriptions from images and offers data-driven price optimization to help sellers maximize revenue. The built-in image editor includes AI-powered background removal, allowing sellers to create visually compelling listings that stand out. Trusted by over 20,000 sellers worldwide and praised for its ease of use and reliability, Crosslist offers a risk-free 3-day money-back guarantee for new users. The app is designed to accelerate multichannel e-commerce growth by simplifying complex listing workflows. With Crosslist, sellers can manage their entire online store efficiently from any device, including mobile. It is an indispensable tool for sellers aiming to save time, increase visibility, and boost sales across multiple online marketplaces.