Moneybox vs SigFig - BrokerCue
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Broker Comparison

Moneybox vs SigFig

Compare Moneybox and SigFig side by side: fees, regulation, platforms.

Moneybox

Moneybox

UK beginners saving for the long term

Moneybox is a UK savings and investing app offering ISAs, a Lifetime ISA, pension, round-up investing and rea…

VS
SigFig

SigFig

Low-cost automated portfolio investors

SigFig is a US robo-advisor offering automated ETF portfolios, tax-loss harvesting, and free human advisor ac…

Head-to-head comparison

Moneybox vs SigFig
Feature Moneybox SigFig
Minimum deposit - -
Stock trading fee £0 commission; 0.45% FX fee applies to US stock trades -
Regulators FCA SEC
Best for UK beginners saving for the long term Low-cost automated portfolio investors
Markets & account
Stocks
-
ETFs
Bonds
-
Funds
Ready Made Portfolios
Fractional Shares
Investment Plans
-
Isa
-
Sipp
-
Savings Vaults
-
Business Account
-

Pros & cons

Moneybox

Moneybox

Pros

  • No commission on buying or selling investments
  • No withdrawal fee and no inactivity fee
  • Lifetime ISA with 25% government bonus available
  • SIPP has no monthly subscription fee
  • Round-up feature automates investing from everyday card purchases
  • Wide account range: Stocks ISA, Cash ISA, LISA, Junior ISA, SIPP, GIA
  • Low £1 minimum investment
  • FCA regulated with FSCS protection

Cons

  • £1 monthly subscription fee can disproportionately affect small portfolios
  • 0.45% annual platform fee is higher than some low-cost alternatives
  • Very limited individual stock selection (approximately 20 US stocks)
  • Mobile app only - no full desktop web platform
  • No demo account
  • No advanced charting, research tools or economic calendar
  • Transfers in can take up to 30 days
  • Cash ISA requires £500 minimum and drops to a lower rate below that threshold
SigFig

SigFig

Pros

  • No advisory fee on first $10,000 managed
  • 0.25% annual fee is in line with leading robo-advisors
  • Free access to human investment advisors
  • Automatic rebalancing included
  • Tax-loss harvesting included
  • Low underlying ETF expense ratios (0.07%-0.15%)
  • No deposit, withdrawal, or rebalancing fees
  • Assets held at established custodians (Schwab, Fidelity) with SIPC protection

Cons

  • $2,000 minimum is higher than some competitors (Betterment has no minimum, Wealthfront starts at $500)
  • No cash management or savings account
  • No demo account to test the platform before investing
  • Fractional shares only available through dividend reinvestment, not initial purchases
  • Limited portfolio customization - model portfolios focused on ETFs and funds
  • No crypto investing
  • Company announced rebrand to Tandems in September 2025; long-term consumer product direction is uncertain
Moneybox

Moneybox

Moneybox is a UK savings and investing app offering ISAs, a Lifetime ISA, pension, round-up investing and ready-made portfolios, aimed at long-term savers.

Visit Moneybox Read review

Your capital is at risk. Other fees apply.

SigFig

SigFig

SigFig is a US robo-advisor offering automated ETF portfolios, tax-loss harvesting, and free human advisor access, with no fee on the first $10,000 managed.

Visit SigFig Read review

Your capital is at risk. Other fees apply.

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