Robo-Advisor vs Index Fund: What the Fees Cost You Over 10 and 30 Years
Editorial research. This is editorial research, not personalized financial, tax, or investment advice.
6 min readLast reviewed: Updated
A robo-advisor fee looks too small to matter, so most people never do the math. Big robo-advisors charge from 0% to 0.25% a year, on top of what the funds inside your portfolio cost. In the example below, that 0.25% leaves you $2,081 behind after 10 years and $19,372 behind after 30. The fee can still pay for itself if it keeps you investing through a market drop. Here are today's fees and the arithmetic, so you can run it with your own numbers.
This is editorial research by the Finder's Forge Editorial Team, not a first-hand test and not personalized advice. See our editorial standards and how we review products.
Risk & Suitability Disclosure
Trading, investing, and automated financial tools carry a real risk of loss. You can lose some or all of the money you put in. Past performance, backtested results, or any results referenced in this review do not guarantee future outcomes, and nothing here is personalized financial or investment advice. Evaluate your own risk tolerance, and consider speaking with a licensed financial advisor, before committing money to any product reviewed on this page.
Key takeaways
- Before choosing: get the total yearly cost for each option: the advisory fee plus the average The yearly cost a fund charges its investors, deducted inside the fund before you see a return. of the funds it holds
- check for account minimums or flat monthly charges and recompute the effective percentage at your actual balance
- project the cost gap forward over your real horizon using your own numbers
- confirm which account types you will hold and whether the fee-justifying services apply there
- and confirm transfer-out fees and whether holdings move in kind.
Start with our picks
Each review shows who the product fits, what it costs on the provider's own site, and how to get the most from it.
The fee you see and the fee underneath it
A robo-adviser quotes one number, usually a yearly fee charged as a percentage of the balance it manages. That number is not the whole cost. The robo buys A fund built to track a market index rather than to pick individual investments. or An exchange-traded fund: a pooled investment fund whose shares trade on a stock exchange. on your behalf, and those funds charge their own The yearly cost a fund charges its investors, deducted inside the fund before you see a return., which is deducted inside the fund before you ever see a return. Confirm the current schedule on the provider's own fee page and on SEC investor resources, not on a comparison article.
So the real figure is the management fee plus the weighted average The yearly cost a fund charges its investors, deducted inside the fund before you see a return. of whatever it holds. Two providers advertising the same headline fee can differ meaningfully once the underlying funds are counted. Any provider unwilling to show you the blended number is asking you to do arithmetic they could have done for you.
What robo-advisors charge today
- Betterment: $5 a month, or 0.25% a year once you set up recurring deposits of $200 a month or more, or reach $24,000 across your Betterment investing accounts. Premium is 0.65% a year. There's no minimum balance.
- Wealthfront: 0.25% a year for The Wealthfront Portfolio.
- Schwab Intelligent Portfolios: no advisory fee, with a $5,000 minimum. Part of your portfolio is held in cash at Schwab's bank, and Schwab says it earns income on that cash.
- Vanguard Digital Advisor: 0.20% a year for an index portfolio, before a credit for fund revenue Vanguard keeps, so the fee you pay can be lower. You need at least $100 in each brokerage account you enroll.
These are each provider's own published fees on Oct 23, 2026. The funds inside each portfolio also charge The yearly cost a fund charges its investors, deducted inside the fund before you see a return.. Check the provider's pricing page before you sign up.
| Provider | Yearly advisory fee | What to know |
|---|---|---|
| Schwab Intelligent Portfolios | No advisory fee | $5,000 minimum; part of the portfolio is held in cash at Schwab's bank |
| Vanguard Digital Advisor | 0.20% for an index portfolio, before a fund-revenue credit | At least $100 in each enrolled account |
| Betterment | $5 a month, or 0.25% with $200 a month in recurring deposits or $24,000 invested | Premium costs 0.65%; no minimum balance |
| Wealthfront | 0.25% for The Wealthfront Portfolio | Direct indexing 0.09% (S&P 500) or 0.12% (Nasdaq-100) with a $5,000 minimum, read Oct 29, 2026 |
| Index funds you buy yourself | No advisory fee | Our example assumes 0.05% a year in fund costs |
What the difference compounds to
Fees come out of your whole balance every year, not just your gains. So each year's fee also takes away that money's future growth.
Here's one example, with assumptions you can change. You invest $50,000 once and add nothing. Your funds return 6% a year before costs. On your own, the A fund built to track a market index rather than to pick individual investments. cost 0.05% a year. Through a robo-advisor, you pay that plus a 0.25% fee, so 0.30% in total.
After 10 years: $89,121 on your own, $87,040 through the robo-advisor. You keep $2,081 more on your own.
After 30 years: $283,138 on your own, $263,766 through the robo-advisor. You keep $19,372 more on your own.
This is an illustration, not a forecast. Real returns change from year to year. Swap in your own balance, return and fees to see your gap.
A flat fee works differently. Betterment's $5 a month is $60 a year, which is 1.2% of a $5,000 balance but 0.3% of $20,000. Set up $200 a month in recurring deposits and Betterment moves you to 0.25%.
| Total yearly cost | After 10 years | After 30 years |
|---|---|---|
| 0.05% (index funds alone) | $89,121 | $283,138 |
| 0.30% (a 0.25% robo fee on top) | $87,040 | $263,766 |
| Difference | $2,081 | $19,372 |
When paying the robo fee is the right answer
Cost is one variable, not the decision. The fee buys you automatic Buying and selling holdings to bring a portfolio back to its intended mix of investments., Selling an investment at a loss so the realised loss can offset taxable gains. in An investment account with no special tax treatment, so gains and income can be taxed in the year they occur., and a setup that makes it harder to sell in a downturn. That last one is the most valuable and the least talked about.
If the honest alternative is not a disciplined index portfolio but an empty account, an unrebalanced one, or one you panic-sell, the fee is buying you real value. Compare it with what you would actually do, not with a version of you who always rebalances on time.
The case for going direct is strongest when you are already contributing consistently, hold a small number of broad funds, and have sat through at least one significant decline without selling. If none of those are true yet, the fee is probably worth it while they become true.
If you may need the money within a few years, compare it with cash first. See how to compare high-yield savings accounts.
Questions worth asking before you sign up
Does the quoted fee include the underlying fund expenses, or sit on top of them? Is there a minimum balance or a minimum monthly charge that makes the effective percentage much higher on a small account? What does it cost to move your money out? Ask about transfer-out fees, and whether your holdings move as they are or must be sold. A forced sale can bring a tax bill you didn't plan for.
Get these in writing from the provider's own fee schedule rather than a review site, this one included. Fee schedules change; a page written months ago may be describing terms that no longer apply.
Where the account type changes the arithmetic
Several of the services a robo-adviser charges for only exist in a An investment account with no special tax treatment, so gains and income can be taxed in the year they occur.. Selling an investment at a loss so the realised loss can offset taxable gains. has nothing to work with inside a tax-advantaged retirement account, because there is no annual tax event for a realized loss to offset. If most of your invested money sits in such an account, a meaningful part of what the management fee is nominally buying is not being delivered there, and the comparison against holding A fund built to track a market index rather than to pick individual investments. directly gets harder for the robo to win.
The reverse also holds. In a large An investment account with no special tax treatment, so gains and income can be taxed in the year they occur. with regular contributions, automated harvesting and Buying and selling holdings to bring a portfolio back to its intended mix of investments. across many lots is genuine work that is tedious to do by hand and easy to do badly. The value of that work is not a fixed percentage: it depends on your marginal tax rate, how volatile the holdings are, and whether you have gains to offset in the first place. Estimate it for your own situation rather than accepting a provider's illustrative figure, which is usually modeled on favorable assumptions.
A short checklist
Before choosing: get the total yearly cost for each option: the advisory fee plus the average The yearly cost a fund charges its investors, deducted inside the fund before you see a return. of the funds it holds; check for account minimums or flat monthly charges and recompute the effective percentage at your actual balance; project the cost gap forward over your real horizon using your own numbers; confirm which account types you will hold and whether the fee-justifying services apply there; and confirm transfer-out fees and whether holdings move in kind.
Finally, answer the behavioral question honestly, because it usually outweighs the arithmetic. If the alternative to paying a fee is a portfolio you never rebalance or one you sell in a downturn, the fee is buying something the spreadsheet cannot price. If you have already contributed consistently through a real decline without selling, it probably is not.
Common questions
- Is a robo-advisor worth it for a small account?
- Check the fee type first. A flat monthly fee takes a bigger share of a small balance: Betterment's $5 a month is 1.2% a year on $5,000. Betterment moves you to 0.25% once you set up $200 a month in recurring deposits or reach $24,000.
- Do robo-advisor fees include the ETF expense ratios?
- Usually not. The advisory fee sits on top of the The yearly cost a fund charges its investors, deducted inside the fund before you see a return. of the funds it buys, which come out inside those funds. Add the two to get your true yearly cost.
- Which robo-advisor charges the lowest fee?
- Of the four we checked on Oct 23, 2026, Schwab Intelligent Portfolios charges no advisory fee, but it needs $5,000 and holds part of your money in cash. Vanguard Digital Advisor starts at 0.20% a year for index portfolios, before credits. Betterment and Wealthfront charge 0.25%.
- Can I move from a robo-advisor to a self-managed account later?
- Usually yes. First confirm whether there is a transfer-out fee and whether your holdings move as they are or must be sold. Selling in a An investment account with no special tax treatment, so gains and income can be taxed in the year they occur. can trigger a The profit from selling an investment for more than you paid for it. bill the year you move, and that cost sits outside the fee comparison.
- Which robo-advisors have the lowest fees for direct indexing?
- Direct indexing means you own an index's stocks one by one, so single-stock losses can cut your tax bill. On Oct 29, 2026, Wealthfront listed 0.09% a year for its S&P 500 portfolio and 0.12% for Nasdaq-100, with a $5,000 minimum. The tax benefit needs a An investment account with no special tax treatment, so gains and income can be taxed in the year they occur..
- Do robo-advisors charge monthly fees?
- Most charge a yearly percentage of your balance. On Oct 29, 2026, Betterment listed $5 a month under $24,000, switching to 0.25% a year with $200 a month in recurring deposits or above $24,000. Wealthfront listed 0.25% a year with no monthly fee.
- Are robo-advisors worth it, or should I just buy index funds myself?
- If you will keep buying and hold through a drop, A fund built to track a market index rather than to pick individual investments. you buy yourself cost less. In our example, a 0.25% fee on $50,000 leaves you about $19,372 behind after 30 years. If you would skip Buying and selling holdings to bring a portfolio back to its intended mix of investments. or sell in a slump, the fee buys that habit.
- How much does a robo-advisor cost per year?
- Add the advisory fee to the funds' The yearly cost a fund charges its investors, deducted inside the fund before you see a return.. On Oct 29, 2026, the four we checked charged 0% to 0.25%. Schwab Intelligent Portfolios charged none, with a $5,000 minimum. Vanguard Digital Advisor capped its index option at $20 per $10,000. Betterment and Wealthfront charged 0.25%, $125 on $50,000.
Sources
Related Categories
- Warrior Trading: FTC Case, Order, and What the Terms Say
Not a good fit for most buyers. We would not pay for it.
- Is RagingBull Legit? The FTC Lawsuit and Refund Terms
A live trading-alert seller with a 2022 FTC settlement and a credit-only refund policy.
Keep Reading
Follow Finder's Forge: short videos and checklists on Instagram (opens in a new tab), Page posts on Facebook (opens in a new tab), short videos on TikTok (opens in a new tab) and YouTube (opens in a new tab), guide Pins on Pinterest (opens in a new tab), and full articles on Medium (opens in a new tab).
This page contains affiliate links. If you buy through them, we may earn a commission, at no extra cost to you. That keeps every guide on this site free to read.