By Bo Starr, Co-CEO of Grifin. Last verified August 17, 2026.

Grifin is better than Acorns if what you want is to own pieces of the actual companies you shop at, bought automatically as you spend. Acorns is better if you want spare change swept into a diversified ETF portfolio, a retirement account with a contribution match, and kids accounts in the same app.

One thing before we go further: Grifin is our app. We'll keep every claim checkable, and we'll tell you plainly where Acorns is the right pick, because for plenty of people it is.

What's the real difference between Grifin and Acorns?

They automate different things. Acorns rounds your purchases up to the nearest dollar and invests the spare change into one of its pre-built ETF portfolios. Buy a $4.30 coffee and 70 cents eventually lands in a mix of index funds. You end up owning a slice of the whole market. Grifin reads where you spend and buys a small fractional share of that specific company. Buy the coffee at Starbucks and you own a little more Starbucks. Acorns builds you a portfolio of funds. Grifin builds you a portfolio of brands you'd recognize from your own kitchen, closet, and driveway. Neither approach is wrong. They just answer different questions: "how do I invest without thinking about it" versus "how do I own the companies in my life."

Worth spelling out how Grifin works now, because a lot of older articles describe a version of Grifin that hasn't existed in years. Grifin links your bank accounts and cards through Plaid, reads your transactions, and automatically buys fractional shares of every publicly traded brand you spend at. It opens a real brokerage account, verifies your identity, funds by ACH, and places live fractional trades. There's no stock picking. If you've read about a $1-per-transaction model or a fee taken from interest on cash, that's a description of 2019, not today.

How much does each app cost?

Acorns has three tiers: Bronze at $3 a month, Silver at $6, and Gold at $12. Individual stocks only show up at Gold, through Custom Portfolios. Below that, you're in ETF portfolios only. Grifin charges a flat single-digit monthly subscription. Here's the honest math both of us owe you: any monthly fee is a real drag on a small balance. $3 a month is $36 a year, and if you're only investing $20 a month, that's meaningful. If your top priority is paying nothing, neither app is your answer; a free brokerage like Fidelity is. Both Grifin and Acorns are betting the automation is worth the fee, because the deposits that actually happen beat the ones you meant to make.

Doesn't Acorns also give you stock when you shop?

Not the way people assume. Acorns Earn is retail cashback: shop through a partner offer and Acorns invests bonus cash into your ETF portfolio. You don't get shares of the store you shopped at. It's a nice perk, but it's cashback with an investing destination, not brand ownership. Grifin's spending connection works the other way around. The purchase itself is the signal, and the stock you get is the company you bought from. If the idea that hooked you was "own where you shop," check which mechanic an app actually runs before you sign up.

When is Acorns the better choice?

Three cases, stated without hedging. First, if the effortlessness of round-ups is what will keep you going, Acorns has that mechanic polished and proven. Second, if a retirement account is your priority, Acorns Later offers an IRA with a contribution match at its higher tiers, and Grifin doesn't offer IRAs at all. For a steady contributor, that match is real money year after year. Third, if you want kids accounts and family money under one login, Acorns has that and we don't. A 40-something parent who wants one app for retirement, kids, and spare-change investing should pick Acorns and not look back.

When is Grifin the better choice?

When the thing standing between you and investing is that it never felt real. More than half of Grifin members had never invested in stocks before joining, and tens of thousands made their first-ever stock investment through the app. The average deposit is around $18, and active members average about 67 automatic deposits a year, which tells you the habit forms in small, frequent steps rather than big scary ones. There's evidence the tangibility matters: members who make three automatic deposits in their first 32 days keep their funded account at a 94 percent rate. Owning Amazon because you shopped at Amazon lands differently than owning a fund with Amazon somewhere inside it. If that difference would get you to actually start, Grifin is the better fit.

So which one should you open?

Pick Acorns if you want a diversified, set-it-and-forget-it portfolio, an IRA, or accounts for your kids. Pick Grifin if you want your everyday spending to turn into ownership of the specific brands behind it, and you're the kind of person who'll check the app because your portfolio reads like your receipts. Some people run both, using Acorns for retirement and Grifin for the ownership habit. Whatever you choose, the worst option is the one you'll abandon in three weeks. The best investing app is the one still running in month twelve.

Facts about other apps checked against their own pricing pages on August 17, 2026.