Cex.Io vs Simpleswap: Fees, Security, Features & Which to Choose (2025)

Trying to choose between Cex.Io and Simpleswap This side-by-side comparison reveals total cost (fees + spreads), security & licenses, coins/derivatives, deposits/withdrawals, and app quality. In 2 minutes you’ll see who wins for beginners, active traders, and long-term holders. Clear pros/cons, a quick verdict, and safe links to get started.

Last updated on August 16, 2025

Cex.Io

Simpleswap

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Available Countries

United States

Yes

Europe

Yes

Latin America

Yes

India

Yes

China

Yes

Canada

United Kingdom

Yes

United States

Yes

Europe

Yes

Latin America

Yes

India

China

Yes

Canada

Yes

United Kingdom

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Cex.Io is ideal if:

Great for beginners seeking simplicity: Offers intuitive fiat-to-crypto access and easy navigation, making first-time buying or selling smooth and straightforward.
Useful for users valuing regulatory compliance: Holds multiple licenses and registrations, which adds credibility and reassurance for those prioritizing security.
Suited to flexible and evolving needs: Includes features like staking, margin options, and mobile trading—helpful as your crypto journey grows.

Simpleswap is ideal if:

Great for quick, no-registration swaps: Ideal if you want to exchange coins swiftly and privately, without creating an account or going through KYC.
Perfect for privacy-focused users: Its non‑custodial design helps you maintain full control over your assets throughout the transaction.
Suited for users exploring a wide range of coins: Offers an expansive selection of crypto assets—from mainstream to lesser-known altcoins—making it handy for flexibility and experimentation.

Cex.Io isn’t ideal if:

Not suited for fee-sensitive traders: Deposit and withdrawal costs—especially from credit cards or SWIFT transfers—can be on the higher side.
Less ideal for altcoin hunters: Coin selection is solid for mainstream assets but may feel restrictive for those seeking niche or emerging tokens.
Not optimized for advanced traders: Lacks advanced order types and demo environments, and interface may feel cluttered during complex trading sessions.

Simpleswap isn’t ideal if:

Not for beginners needing fiat on-ramps: If you don’t already own crypto, SimpleSwap doesn’t support seamless fiat-to-crypto purchases without extra partner steps.
Limited for advanced traders: No margin, futures, charting tools, or sophisticated order types—only basic instant swaps.
Less suitable during network congestion: Transactions can slow when blockchains are busy, affecting speed and predictability.

Fees & Total Costs

Spot Maker/Take

CEX.IO’s spot trading fees begin at 0.25% for taker orders and 0.15% for maker orders, and progressively decrease as your 30-day trading volume rises—reaching lower bands (like around 0.10%) at higher volumes, with no discounts tied to a native token.

SimpleSwap doesn’t distinguish between maker and taker fees—instead, all costs are embedded within the quoted exchange rate, so there are no separate fee tiers or native-token discounts to worry about.

Futures/Derivatives

CEX.IO separates its derivatives platform from spot trading and applies different fee structures, but publicly available information on specific maker, taker, or funding rates is limited (often requiring account access or direct inquiry for clarity).

SimpleSwap does not offer futures or other derivatives at all, so there are no associated maker, taker, or funding fees to consider.

Average Spreads on Liquid Pairs

Spreads for major pairs like BTC/USDT and ETH/USDT on CEX.IO are generally tight and in line with competitive market norms, helping ensure that trading costs remain low for highly liquid assets.

Spread details aren’t openly published, but market comparisons suggest a mark-up hovering around 1.2%, meaning the price you see already includes a slight premium over market rates.

Fiat Deposits & Withdrawals

You can fund your account using various options—credit/debit cards, bank transfers (SEPA, SWIFT, ACH), digital wallets, and alternative services—with timing and fees varying by method and region, and listed transparently during transaction setup.

Fiat transactions are handled via a partner (like Mercuryo), typically using Visa or Mastercard, with fees built into the exchange rate and shown upfront—there’s no platform-stated flat rate or set timing for processing.

On-chain Withdrawals

On-chain withdrawal fees differ depending on the blockchain (BTC, ETH, TRX, etc.) and are dynamically adjusted based on network conditions, rather than using a one-size-fits-all flat fee.

There’s no separate withdrawal fee charged by SimpleSwap—only the blockchain’s own network (gas) fees apply, which vary by network and reflect real-time congestion levels.

Hidden Costs

Beyond trading and transfer fees, there may be extra charges lurking in currency conversion margins, inactivity fees, or expedited KYC processing—but these are typically disclosed at the relevant step, not built into everyday trading.

There are no inactive-account fees or express-KYC charges; any currency conversion or rate-related cost is already baked into the exchange price, so you face no surprises beyond the displayed rate.

Real-World Cost Example: “€500 BTC

If you were to convert €500 into BTC, your total cost would combine the spot maker/taker fee, the market spread, and any withdrawal or conversion fee—resulting in a composite cost slightly above the raw crypto amount, depending on your payment method and network chosen.

If you exchange €500 to BTC, the platform displays the rate including a small mark-up (around 1–2%) at the time, and then the final BTC received reflects that pricing, minus network fees; there are no extra line-item charges added afterward.

Crypto Offering & Trading Features

Number of Coins & Pairs

CEX.IO currently lists around 280 cryptocurrencies across approximately 829 trading pairs, with its highest-volume pairs including BTC/USD, ETH/USDT, ETH/USD, XRP/USD, LINK/USD—forming the bulk of daily activity.

SimpleSwap supports over 1,500 cryptocurrency assets for instant swaps; while there’s no public list of the top 20 by trading volume, it’s safe to infer that mainstream heavyweights like BTC, ETH, USDT-based pairs, and other popular altcoins lead the most frequently exchanged.

Product Range

CEX.IO supports spot trading, margin trading with up to 10x leverage, crypto staking and savings, and lending services; however, it does not currently offer perpetuals, options, ETFs, automated DCA, grid bots, or copy trading tools.

SimpleSwap is designed solely for instant, spot crypto-to-crypto swaps and staking through integrated programs; it does not offer margin, futures/perps, options, crypto ETFs, lending, copy trading, grid bots, or automated DCA features.

Liquidity

Reported 24-hour trading volume on CEX.IO ranges in the tens to hundreds of millions of USD, with robust liquidity in major pairs like BTC and ETH—offering sufficient depth for swift execution without significant price impact.

Exact liquidity metrics like 24-hour trading volume or order-book depth aren’t published, but SimpleSwap sources liquidity from multiple partner exchanges, enabling smooth execution for BTC and ETH swaps via aggregation rather than a unified internal book.

Tools

The platform provides basic order types such as limit and stop (plus OCO where available), access to advanced charting via its trading terminal, real-time price tracking, alerts, and full-featured APIs (REST, WebSocket, FIX on Prime) ideal for automated strategies.

The platform is minimalist—neither limit nor OCO orders are available beyond fixed-and-floating rate swaps; it lacks advanced charting or alerts, though it does offer integration tools like APIs and widgets rather than a native TradingView interface.

Geographic Restrictions by Product

Certain features—including margin trading, staking, savings, and advanced product access—are restricted or unavailable in specific countries due to jurisdictional licensing and compliance requirements.

Since SimpleSwap doesn’t offer derivatives, there are no region-based limitations on those products specifically, but its fiat-to-crypto service is restricted in a set of countries flagged by regulatory or partner limitations.

Innovation

CEX.IO offers flexible staking and savings options under its “Earn” program that allow on-demand access to funds; however, it does not currently support token launchpad or launchpool initiatives.

While SimpleSwap doesn’t run launchpads or launchpools, it does innovate in passive earning via its loyalty and affiliate programs, offering flexible cashback and staking-like benefits rather than locking funds into fixed-term products.

Security, Regulation & Custody

Operating Entity & Jurisdiction

CEX.IO operates through several entities

SimpleSwap is operated by SimpleSwap Limited, established in 2018 and based in George Town, Cayman Islands, functioning under that jurisdiction while also listing a U.S. office in San Francisco for support operations.

Licenses/Registration

The exchange holds a U.S. Money Services Business registration with FinCEN and multiple state-level money transmitter licenses, a Gibraltar DLT provider license, Spanish VASP registration, and Lithuanian VASP status, reflecting a broad regulatory coverage across major markets.

The platform operates under money transmitter licenses where applicable, respecting relevant regulatory frameworks without explicitly holding licensing such as VASP registration or MiCA compliance, though its services may vary regionally to meet local requirements.

Custody

CEX.IO maintains a layered custody model—hot wallets with PCI DSS-compliant security and cold wallets secured via multi-signature and manual controls; fiat is held in segregated bank accounts—though no formal public proof-of-reserves disclosures or third-party audits are noted.

As a non-custodial exchange, SimpleSwap never holds user assets, reducing exposure to custodial risks; the platform does not currently offer public Proof of Reserves, cold reserve percentages, or external audit disclosures.

Insurance & Protection Funds

While CEX.IO provides FDIC insurance for USD balances held within participating U.S. banks up to typical limits, there is no general insurance for crypto assets beyond its rigorous internal security protocols.

There is no public program offering insured coverage or asset protection funds—security relies on infrastructure practices like SSL encryption and secure transaction channels rather than third-party insurance.

Incident History

The platform maintains a clean operational record with no major security breaches, public incidents, service suspensions, or regulatory penalties reported to date, underlining its reputation for reliability.

SimpleSwap has maintained a clean record—no documented security breaches, funds seizures, or regulatory enforcement actions appear in public sources, reflecting a history free from major incidents.

Risk Controls

User protection is reinforced with mandatory KYC/AML procedures, two-factor authentication, address whitelisting, a proprietary transaction-monitoring system, and granular APIs aimed at enhancing security and user control.

The platform enforces strong security protocols including SSL encryption, optional two-factor authentication for added account safety, and compliance-driven KYC escalation in higher-risk cases; however, features like address whitelists, sub-accounts, granular API controls, or anti-phishing mechanisms are not prominently offered.

Transparency

CEX.IO does not publish monthly financial or operational reports, nor provide public wallet addresses or formal service-level agreements (SLAs), although its regulatory compliance and security stance contribute to overall trust.

SimpleSwap does not provide regular reporting like monthly reports or SLAs, nor does it maintain public wallet addresses; its transparency relies on its non-custodial structure and clear service terms rather than open reserve disclosures or performance metrics.

Deposits, Withdrawals, KYC & Support

Fiat Deposit Methods

CEX.IO allows fiat deposits via bank cards (Visa/Mastercard), bank transfers (SWIFT, SEPA, ACH, Faster Payments), and e-wallets like Skrill and PayPal; limits depend on verification level—new users may be capped at around $1,000 daily and $3,000 monthly, with standard limits applied after three months—and deposits typically arrive instantly (for cards/e-wallets) or within 1–3 business days (for bank transfers) depending on the method and region.

SimpleSwap supports fiat deposits exclusively through its partner Mercuryo, typically via Visa or Mastercard, including virtual, debit, and credit cards, zero stated minimums or maximums, and instant payment processing, though processing limits are influenced by third-party policies.

Supported Fiat Currencies & Conversion

KYC (Verification Levels)

CEX.IO enforces at least identity verification for full access to fiat features like card and transfer services; preliminary verification allows limited use, while higher account tiers—such as Enhanced or Corporate—lift deposit/withdrawal limits and enable large-scale operations.

SimpleSwap enables anonymous crypto-to-crypto swaps without KYC, but using fiat services or large transactions may trigger partner-enforced identity verification (e.g., basic KYC via Mercuryo) depending on risk assessments, without predefined tiers disclosed.

Withdrawals

Limits, Timing & Networks

Since SimpleSwap is non-custodial, withdrawals simply reflect on-chain transfers to your wallet, with no platform-imposed limits; completion typically takes between several minutes up to an hour depending on network load and chosen blockchain.

Customer Support

Users have access to help via live chat (mobile and web), email support, and an extensive knowledge base containing guides and FAQs—but response times vary and are influenced by location and request complexity.

SimpleSwap offers 24/7 live chat and email support with generally fast response times, backed by a detailed FAQ and blog guides that serve as a robust self-help resource.

Languages & Localization

The platform is fully available in English (as its primary language), and shows amounts in USD or EUR depending on region; local regulatory compliance is reflected in the user’s jurisdiction which affects available payment methods and features.

The platform is available in around 10 languages on the website (with app support in 6), displays pricing and rates in common fiat like EUR or USD based on your region, while service availability is tailored to local regulatory environments.

App Quality & Stability

The CEX.IO app boasts a solid level of stability with regular updates; while precise crash rates aren’t publicly disclosed, the platform emphasizes performance enhancements and bug fixes in app release notes to deliver a smooth user experience.

SimpleSwap’s mobile app is designed for smooth, user-friendly crypto swaps and applies the same core functionalities as the web platform; while precise crash rates aren’t published, user feedback reports high stability and ongoing updates to expand asset availability and app performance.

Experience, Performance & Ecosystem

UX/UI

CEX.IO offers a single unified interface rather than separate “Lite” or “Pro” views, relying on straightforward layout and intuitive navigation to help both new and experienced users pick up functionality quickly and seamlessly.

SimpleSwap’s interface shines with its minimalist design—there’s no “Lite” or “Pro” toggle, but the intuitive layout makes the learning curve nearly nonexistent, allowing users of all levels to initiate swaps quickly and effortlessly on both desktop and mobile.

Performance

The platform benefits from institutional-grade infrastructure designed to minimize order latency, but like many exchanges, occasional slowdowns can surface during extreme market volatility; onboarding generally remains efficient even during high-demand periods.

The platform generally executes instant swaps with low latency by sourcing multiple liquidity providers; while it doesn’t face order system overloads, swaps may take slightly longer during high blockchain congestion—there’s no bulk KYC process since accounts aren’t required.

Education

CEX.IO University delivers free, beginner-friendly crypto education with a comprehensive glossary and lessons ranging from basic to advanced levels—though it currently lacks a live demo or simulator, and content in Spanish is available through its educational portal.

SimpleSwap offers robust educational support via its blog, guides, and FAQs—but lacks demo or simulator tools; however, it caters to Spanish speakers with translated articles and interface options for enhanced accessibility.

Community

The ecosystem includes an affiliate and referral program to reward users for spreading the word, but it does not prominently feature official forums or active Discord/Telegram communities as part of its outreach.

Community engagement thrives through its ambassador and affiliate programs, offering users access to private Telegram groups, content support, and cashback incentives—though public forums or Discord channels aren’t prominently advertised.

Integrations

The platform integrates TradingView for charting, offers fully featured APIs for external bot support, and allows data export for tax and accounting purposes, making it viable for integration into broader trading and reporting workflows.

SimpleSwap doesn’t embed TradingView charts or offer native bot support, but it does provide a transparent API and widget for smooth integration with external tools and developer workflows; no built-in tax or accounting tools are included.

Who Each One Is Best For

CEX.IO is particularly well-suited for users seeking a balanced and compliant entry into crypto—from beginners who want ease of use and educational resources to semi-advanced traders needing reliable tools and external integration capabilities.

SimpleSwap is ideal for both newcomers and seasoned crypto users who value instant, no-account swaps with strong privacy and multi-language support—especially useful when speed, simplicity, and broad coin access matter more than advanced trading tools.