Espay vs. OptimusFox Comparison Chart

CEX.IO is a regulated multi-functional cryptocurrency exchange. Established in 2013, it now has offices in the UK, US, Ukraine, Cyprus, and Gibraltar. With more than 3 million users across the globe, CEX.IO provides reliable services backed by cold cryptocurrency storage, financial viability, high security, and KYC/AML best practices. CEX.IO Exchange was one of the first platforms to make fiat-to-crypto transactions accessible by offering card payments and bank transfers to the clients. Currently, we provide a variety of trading tools for Bitcoin, Bitcoin Cash, Ethereum, Ripple, Stellar, Litecoin, Tron, and other crypto assets. You can trade these cryptocurrencies for USD, EUR, GBP, and RUB. We know that mobility matters, so we’ve enabled trading through a website, iOS and Android mobile apps, WebSocket, and REST API.

BYDFi is a global crypto trading platform powered by a centralized exchange (CEX). Since launching in 2020, BYDFi has focused on delivering a world-class trading experience for users worldwide. Today, BYDFi supports over 1,000,000 users across 190+ countries and is known for its ease of use, low fees, advanced trading tools. Guided by the vision “BUIDL Your Dream Finance,” BYDFi empowers beginners and professionals alike to trade confidently across spot markets, perpetual futures, TradFi (stocks, forex & commodities), and automated strategies. In December 2023, BYDFi was recognized by Forbes as one of the Top 10 Global Crypto Exchanges, highlighting its rapid growth and product strength. In 2025, BYDFi further strengthened its global presence through a multi-year partnership with Newcastle United, becoming the Premier League club’s Official Crypto Exchange Partner. This collaboration enhances BYDFi’s international brand visibility and reinforces its commitment to building a trusted and influential global crypto ecosystem.

YouHodler is a fintech company bridging the gap between traditional finance and crypto. We are dedicated to providing secure and innovative financial solutions to customers from over 100 countries The platform offers a secure multi-currency wallet supporting major cryptocurrencies and fiat currencies, including BTC, ETH, XRP, EUR, USD, and CHF. Users can access advanced trading tools to optimize their market strategies, get cash for liquidity without selling their assets, and earn rewards through yield accounts. These services enable YouHodler’s customers to: - Get cash for more than 50 coins as collateral. LTV up to 90%. Bank and credit card withdrawals - Exchange cryptocurrency and fiat with real-time execution prices and low fees - Earn up to 20% annually on your crypto and get payouts every week. YouHodler's Cloud Miner lets you earn real Bitcoin effortlessly without using your device's power.

ND Wallet is a modular white-label non-custodial crypto wallet foundation developed by ND Labs for businesses launching branded digital asset products. The solution includes customizable iOS and Android applications, multi-chain support, secure local key storage, core transaction flows, swaps and monetization options, admin tools, cloud infrastructure, and launch security checks. Optional modules can include social login, MPC custody, fiat on/off-ramps, KYC/AML integrations, NFT support, WalletConnect and dApp access, DeFi and staking, additional blockchain networks, an AI assistant, and web or desktop delivery. The final feature set, pricing, support model, and launch timeline depend on the selected platforms, networks, integrations, and customization requirements.

Summ (formerly Crypto Tax Calculator) is an advanced crypto & equities tax platform that simplifies tracking and reporting across all your brokers, exchanges, wallets, and DeFi activity. With support for over 3,500 integrations, Summ imports your full transaction history and automatically generates audit-ready reports built to align with IRS tax guidelines. Users can review trades, identify tax-saving opportunities, and download accountant-approved forms including 8949, 1040, capital gains summaries, and more. Summ's portfolio tracker provides real-time PnL, tax liability insights, and accurate pricing for over 300,000 cryptocurrencies & shares. With a 4.6/5 Trustpilot rating and seamless TurboTax integration, Summ makes crypto tax filing stress-free for both casual traders and professionals. Designed for speed, accuracy, and compliance, Summ gives users total confidence at tax time.

GoAnywhere MFT provides secure managed file transfer for enterprises. Deployable on-premise, in the cloud, or in hybrid environments, GoAnywhere MFT software enables organizations to exchange data among employees, customers, and trading partners, as well as between systems, securely. GoAnywhere MFT was a recipient of the Cybersecurity Excellence Award for Secure File Transfer.

CoinStats is the leading crypto portfolio management tool trusted by over 1 million active users worldwide. With CoinStats, users can easily track their crypto, DeFi, and NFT assets in real-time by connecting more than 300 wallets and exchanges. The CoinStats DeFi wallet also allows users to securely store, buy, and swap cryptocurrencies, making it a one-stop-shop for all your crypto needs. With more than $100m worth of assets already managed through the app, CoinStats is committed to empowering people to effectively manage their crypto portfolios through an easy-to-use platform. Getting started with CoinStats is quick and easy, and the platform is completely free and secure. Start managing your crypto assets like a pro and join the millions of satisfied CoinStats users today. CoinStats also provides an all-in-one crypto API.

Letsignit is a centralized email signature management platform for organizations of all sizes. Create, assign, and manage signatures for all employees, standardize formats company-wide, and reduce manual requests with updates driven by directory data such as Active Directory. Designed for Microsoft 365 and Exchange environments and compatible with common email clients, it supports brand consistency and compliance while giving Marketing and Comms controlled access to run targeted banner campaigns. Hosted on Microsoft Azure and certified ISO 27001 and ISO 27018, Letsignit meets enterprise security requirements and keeps signature management simple at scale.

CloudFiler is an email filing and search tool that works in both New and Classic Outlook on all platforms including Android phones & tablets, iPhones, iPads, all popular browsers, Macs and ARM based devices. It was created using up-to-date development technologies by the original architect of the Oasys email management system previously owned by Arup and the Excitech Mail system owned by Symetri. File to: the cloud, Windows folders, SharePoint, OneDrive, Egnyte, Autodesk Forma, Bentley ProjectWise, etc. Built to work with Exchange on-line and Microsoft 365 it provides a fast and reliable email filing and search service via whatever device you happen to be using at the time. CloudFiler is based on Microsoft's new web Add-in technology.

Crafted by industry-savvy print experts, P3Source uses the latest SaaS technology, to automate the conventional 'Bid and Buy' RFQ process commonly used in the Printing and Marketing Services Industry. P3Source acts as a project management and collaboration hub, where users manage dozens of simultaneous projects, bringing together all the details, files, approvals, notes, and historical data in one easy-to-search place. It archives completed projects for future access and detailed reporting. The P3Source web Customer and Supplier portals tie together the entire supply chain. Customers submit requests, upload production files and approve projects. Suppliers submit quotes, accept orders, exchange files, post shipments and present invoices. This streamlined approach ensures quick, hassle-free transactions for all parties. Celebrate the future of print management with P3Source - easy, efficient, and made with you in mind.