Square
SMB Point-of-Sale & Payment Processing Platform
Best For
Small and medium businesses needing an all-in-one POS, online store, i
Core Fee
Free plan: 2.6% + $0.15 in-person, 3.3% + $0.30 online; Plus
Settlement
Next-business-day deposits standard; instant deposits availa
Unit
Embedded Banking & Card Infrastructure (BaaS)
Best For
Fintechs and businesses wanting to embed bank accounts, cards, and pay
Core Fee
B2B platform; custom pricing based on transaction volume and
Settlement
Real-time account opening and transaction processing; API-fi
Full 20-Point Audit Matrix
Verified current data across all key decision criteria
| Audit Criterion | Square | Unit |
|---|---|---|
WealthBlueprint RatingOverall score vs. all reviewed platforms (out of 5 stars) |
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| Cost Structure & Fees | ||
Transaction FeesPer-transfer costs, domestic & international |
Free plan: 2.6% + $0.15 in-person, 3.3% + $0.30 online; Plus plan $49/month (2.5% + $0.15 in-person); Premium $149/month (2.4% + $0.15 in-person); rates updated January 2026 | B2B platform; custom pricing based on transaction volume and services |
FX / Conversion SpreadMarkup above mid-market exchange rate |
Square charges a conversion fee based on the currency pair and transfer amount. Always verify the all-in rate before sending.
Always check the live rate in the app |
Unit charges a conversion fee based on the currency pair and transfer amount. Always verify the all-in rate before sending.
Always check the live rate in the app |
Account MaintenanceMonthly or annual account-keeping charges |
No monthly fees — Square does not charge recurring maintenance fees.
Fees subject to change — verify before signing up |
Custom/tiered pricing — Unit's fee structure depends on your account tier or usage volume.
Fees subject to change — verify before signing up |
Card Issuance FeesVirtual and physical card creation costs |
Square does not primarily offer physical cards — access is digital-first.
Check Square app for current card fees |
Unit offers virtual cards.
Check the Unit app under card settings for current issuance fees.
Check Unit app for current card fees |
| Settlement Speed & Reliability | ||
Domestic SettlementLocal bank transfer completion time |
Square
Next-business-day deposits standard; instant deposits availa
VS
Unit
Real-time account opening and transaction processing; API-fi
Both platforms offer comparable settlement speeds.
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Cross-Border SpeedInternational corridor settlement time |
Square supports cross-border transfers via its payment rails. Actual delivery depends on the receiving bank and any compliance holds.
Check the app for live estimates |
Unit supports cross-border transfers via its payment rails. Actual delivery depends on the receiving bank and any compliance holds.
Check the app for live estimates |
Uptime / ReliabilityReported annual platform availability rate |
Square publishes service status updates on its official status page for transparency.
Check Square status page for incident history |
Unit publishes service status updates on its official status page for transparency.
Check Unit status page for incident history |
| Security & Regulatory Standing | ||
Regulatory LicensesGoverning bodies and jurisdictions |
PCI DSS Level 1 compliant; end-to-end encryption on all transactions; subsidiary of Block Inc. (NYSE: SQ); 2FA and fraud monitoring
✓ Licensed |
Banking via partner FDIC-insured institutions; regulatory compliance; standard BaaS security and fraud prevention
✓ Licensed |
Deposit InsuranceGovernment-backed protection scheme |
Square holds funds with regulated partner banks. Deposit insurance coverage may apply.
Verify current coverage directly with Square |
FDIC insured — your funds are protected up to applicable limits.
Verify current coverage directly with Unit |
2FA & AuthenticationMulti-factor security implementation |
Square supports 2FA via authenticator app or SMS. Check security settings for available methods.
Enable 2FA immediately after opening your account |
Unit offers multi-factor authentication. Enable 2FA in account security settings. Biometric and PIN options vary by device.
Enable 2FA immediately after opening your account |
Fraud DetectionAI/ML-powered transaction monitoring |
Square employs automated transaction monitoring. Suspicious activity triggers alerts and temporary holds.
✓ Real-time monitoring |
Unit monitors transactions for anomalies in real time. You can freeze your card instantly from the app.
✓ Real-time monitoring |
| Features, Limits & Access | ||
Ideal Use CasePrimary audience and core value proposition |
Square
Small and medium businesses needing an all-in-one POS, online store, invoicing, payroll, and hardware ecosystem without a monthly commitment
Unit
Fintechs and businesses wanting to embed bank accounts, cards, and payment capabilities into their products
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Platform ClassificationRegulatory and product category |
SMB Point-of-Sale & Payment Processing Platform | Embedded Banking & Card Infrastructure (BaaS) |
Withdrawal LimitsDaily / weekly transfer and cash-out caps |
Square withdrawal limits vary by account type and KYC level.
Log in to see your current limits |
Unit applies daily and monthly withdrawal limits based on your account verification tier.
Log in to see your current limits |
Supported CurrenciesFiat and digital asset coverage |
Square supports the currencies and assets listed in its official documentation.
Check Square official site for full currency list |
Unit supports the currencies and assets listed in its official documentation.
Check Unit official site for full currency list |
| User Experience & Support | ||
App Store RatingAggregate iOS + Android user satisfaction |
Square app ratings reflect recent user sentiment — check the App Store/Google Play for current scores.
Verify live ratings on the App Store |
Unit is available on both iOS and Android. Rating varies by region.
Verify live ratings on the App Store |
Customer SupportAvailable resolution pathways and SLA |
Square routes support through its official help channels. Priority queue access varies by plan.
Check Square help centre for current support options |
Unit offers in-app support and email. Response times may vary by account tier.
Check Unit help centre for current support options |
KYC Verification SpeedAccount activation timeline post-submission |
Square KYC timelines depend on document quality and account type.
Verify current wait times in the Square app |
Unit typically verifies personal accounts within minutes to 24 hours with a valid ID.
Verify current wait times in the Unit app |
Overall VerdictWealthBlueprint independent recommendation |
IT'S A TIE — both score 4/5 stars.
Choose Square if you need: Small and medium businesses needing an all-in-one POS, online store, invoicing, payroll, and hardware ecosystem without a monthly commitment. Choose Unit if you need: Fintechs and businesses wanting to embed bank accounts, cards, and payment capabilities into their products. ➜ Your choice depends on your specific needs |
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Official WebsiteVisit platform to sign up or verify current fees |
Visit Square ↗ | Visit Unit ↗ |
WealthBlueprint Verdict Summary
Square — Best For
Small and medium businesses needing an all-in-one POS, online store, invoicing, payroll, and hardware ecosystem without a monthly commitment
✓ Strong in its core category
Unit — Best For
Fintechs and businesses wanting to embed bank accounts, cards, and payment capabilities into their products
✓ Strong in its core category
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