Independent Audit Report
Carta
VS
Unit

A comprehensive 20-point independent audit covering fees, FX rates, settlement architecture, regulatory standing, customer protection, and real-world performance benchmarks.

20 Audit Criteria Independent Analysis Current Verified Data Live Benchmarks
TL;DR
Carta wins with 5/5 stars — best for Startups, VCs, and employees wanting cap table management, 409A valuations, equi. Unit is a close second with 4/5 stars. ⬇ Scroll for full 20-point audit
Best For
Carta vs Unit
Startups, VCs, and employees wanting cap table management, 4... vs Fintechs and businesses wanting to embed bank accounts, card...
Fee Structure
Carta vs Unit
Company plans from $2,400/year; fund administration from $12... vs B2B platform; custom pricing based on transaction volume and...
Rating
Carta vs Unit
5/5 ★ vs 4/5 ★
Carta
Equity Management & Private Securities Platform
Best For Startups, VCs, and employees wanting cap table management, 409A valuations, equity plan administration, and access to private company secondary markets
Core Fee Company plans from $2,400/year; fund administration from $12,000/year; CartaX private securities marketplace fees vary by transaction size
Settlement Digital equity issuance in minutes; electronic exercise of stock options; automated vesting schedules; real-time cap table updates; secondary trades via CartaX
Visit Carta ↗
Unit
Embedded Banking & Card Infrastructure (BaaS)
Best For Fintechs and businesses wanting to embed bank accounts, cards, and payment capabilities into their products
Core Fee B2B platform; custom pricing based on transaction volume and services
Settlement Real-time account opening and transaction processing; API-first infrastructure; instant card issuance
Visit Unit ↗
What This Audit Doesn't Cover: Real-time currency fluctuations, promotional offers, region-specific pricing, or temporary fee waivers. Always verify current rates, fees, and features directly with Carta and Unit before making any financial decision.
Full 20-Point Audit Matrix
Verified current data across all key decision criteria
20 Criteria Compared
Audit Criterion Carta Unit
WealthBlueprint RatingOverall score vs. all reviewed platforms (out of 5 stars)
5/5
Carta: rated on fees, features, safety & ease of use
4/5
Unit: rated on fees, features, safety & ease of use
Transaction FeesPer-transfer costs, domestic & international
Company plans from $2,400/year; fund administration from $12,000/year; CartaX private securities marketplace fees vary by transaction size B2B platform; custom pricing based on transaction volume and services
FX / Conversion SpreadMarkup above mid-market exchange rate
Carta 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
Carta applies account maintenance charges as described in its fee schedule. Pricing may vary by region.
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
Carta does not primarily offer physical cards — access is digital-first.
Check Carta 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
Domestic SettlementLocal bank transfer completion time
Carta
Digital equity issuance in minutes; electronic exercise of s
VS
Unit
Real-time account opening and transaction processing; API-fi
✓ Unit is faster (instant vs Digital equity issuance in min)
Cross-Border SpeedInternational corridor settlement time
Carta 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
Carta publishes service status updates on its official status page for transparency.
Check Carta status page for incident history
Unit publishes service status updates on its official status page for transparency.
Check Unit status page for incident history
Regulatory LicensesGoverning bodies and jurisdictions
SEC-registered transfer agent and broker-dealer; FINRA member; SOC 2 Type II certified; 256-bit encryption; manages $2.7T+ in equity for 40,000+ companies
✓ Licensed
Banking via partner FDIC-insured institutions; regulatory compliance; standard BaaS security and fraud prevention
✓ Licensed
Deposit InsuranceGovernment-backed protection scheme
Carta holds funds with regulated partner banks. Deposit insurance coverage may apply.
Verify current coverage directly with Carta
FDIC insured — your funds are protected up to applicable limits.
Verify current coverage directly with Unit
2FA & AuthenticationMulti-factor security implementation
Carta 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
Carta 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
Ideal Use CasePrimary audience and core value proposition
Carta
Startups, VCs, and employees wanting cap table management, 409A valuations, equity plan administration, and access to private company secondary markets
Unit
Fintechs and businesses wanting to embed bank accounts, cards, and payment capabilities into their products
Platform ClassificationRegulatory and product category
Equity Management & Private Securities Platform Embedded Banking & Card Infrastructure (BaaS)
Withdrawal LimitsDaily / weekly transfer and cash-out caps
Carta 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
Carta supports the currencies and assets listed in its official documentation.
Check Carta 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
App Store RatingAggregate iOS + Android user satisfaction
Carta 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
Carta routes support through its official help channels. Priority queue access varies by plan.
Check Carta 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
Carta KYC timelines depend on document quality and account type.
Verify current wait times in the Carta 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
Carta WINS with 5/5 stars vs 4/5.

Why: Carta excels at Startups, VCs, and employees wanting cap table management, 409A valuations, equity plan administration, and access to private company secondary markets.

✓ Choose Carta if Startups, VCs, and employees wanting cap table management, 409A valuations, equity plan administration, and access to private company secondary markets
➜ Unit is still solid for Fintechs and businesses wanting to embed bank accounts, cards, and payment capabilities into their products
Official WebsiteVisit platform to sign up or verify current fees
Visit Carta ↗ Visit Unit ↗

Choose Carta If:

  • You need Startups, VCs, and employees wanting cap table management, 4
  • You prefer Company plans from $2,400/year; fund adm
  • You value Digital equity issuance in minutes; elec

Choose Unit If:

  • You need Fintechs and businesses wanting to embed bank accounts, card
  • You prefer B2B platform; custom pricing based on tr
  • You value Real-time account opening and transactio
WealthBlueprint Verdict Summary
Carta — Best For
Startups, VCs, and employees wanting cap table management, 409A valuations, equity plan administration, and access to private company secondary markets
✓ 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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