Are Kids Debit Cards Worth the Monthly Fee?

For a family with two kids, $500 in average savings and $600 a year of card spending, eight years of Greenlight Core costs $575.04 in fees and $495.04 after its savings reward. For the fee to pay for itself, the family would need to keep an average daily balance of $3,594 in the account all year.

"Worth it" turns on two things: what the fee buys that you would actually use, and what the card gives back. This page does the second part as arithmetic. The first part is yours.

Every price and rate below was checked against the provider’s own site on 21 September 2026, and each one names its source. The page names no winner. For the gross fee on every plan, see every kids’ debit card fee, totalled. This page subtracts what comes back.

The short answer

• Net cost = annual fee − savings reward − cashback. At typical kid balances the reward and cashback are small next to the fee.
• At $500 saved and $600 spent, no paid plan here comes close to paying for itself. The most any plan gives back is $16.00 a year (Till Premium), against a $79.00 fee.
• At a few thousand dollars held all year, some plans break even. Greenlight’s reward is capped at a $5,000 family balance, so there is a ceiling on what it can return.
• Several accounts charge nothing. Chase First Banking, Capital One MONEY Teen, Modak MoBasic, Cash App’s kids account and Step all publish a $0 monthly fee.

Net cost for one family: 2 kids, 8 years, $500 saved, $600 spent

The numbers assume two children, a subscription running eight years, a family savings balance averaging $500 all year, and $600 a year of card spending split evenly between the kids. Each row is computed from the published price and rate. Nothing is estimated.

Where each input comes from (all checked 21 September 2026):

• Greenlight: Core $5.99, Max $10.98, Infinity $15.98 and Family Shield $19.98 a month; Savings Reward of 2%, 3%, 5% and 6%; 1% cash back on Max, Infinity and Family Shield; up to 5 kids on every plan (greenlight.com/plans). The reward is paid "on an average daily savings balance of up to $5,000 per family" (greenlight.com/rewards).
• Modak: MoBasic free, MoSilver $2.99 and MoGold $5.99 a month; MoGold adds "2% cashback on the kids’ card"; up to 7 kids per parent account (modakmakers.com/pricing).
• Till Premium: "$7.99/month or $79/year", up to 5 kids, "2% save rewards", and "1% cash back on up to $300 in monthly spend per child" (tillfinancial.com/faq).
• FamZoo: $5.99 a month, and "All subscription fees are per family" (famzoo.com).
• Acorns Early Lite: $8 a month, "up to 4 debit cards" (acorns.com/early).

How the math works: annual fee is the monthly price × 12, or the published annual price where one exists (Till). Reward is the balance × the stated annual rate, held at the input balance for the year. Cashback is spend × rate, capped where the provider publishes a cap. Rewards and cashback are paid by the provider. They are not bank interest.

The same $500 somewhere free

At the FDIC national average savings rate of 0.37% (fdic.gov, "Last Updated: September 21, 2026"), $500 earns $1.85 a year. At MIDFLORIDA Credit Union’s Youth Savings rate of 4.00% APY on balances up to $5,000 (midflorida.com, rates valid September 1, 2026), it earns $20.00 a year. That account has membership requirements and asks for a Florida or military ID from the parent. It is one example of a youth savings account, not a recommendation. Rates at your own bank or credit union will differ.

What each fee has to earn to pay for itself

This is the balance or spending where reward plus cashback equals the annual fee, with the family still spending $600 a year across two kids. "Balance" means the average daily balance kept for the whole year, not the peak.

A negative number in the last column means reward plus cashback exceeds the fee: at a $5,000 average balance and $600 of spending, Greenlight Core returns $100.00 of reward against a $71.88 fee. Above $5,000, Greenlight’s reward stops growing.

Till’s cashback is capped at $300 of spending per child per month, which is $36.00 per child per year. Two children can earn at most $72.00, which is short of the $79.00 fee. It takes three children spending near the cap ($108.00 of cashback) to cover the fee on cashback alone.

If you want to see the balance-only break-even across Greenlight’s tiers against its old competitor, Greenlight vs GoHenry has it. This table adds spending.

Three families, worked through

Same formula, three sets of inputs. Figures are the net total over the whole period, after reward and cashback, with the per-child figure in brackets.

• Family A: 1 child, 10 years, $200 average balance, $300 a year spent.
• Family B: 2 children, 8 years, $500 balance, $600 spent (the table above).
• Family C: 3 children, 5 years, $3,000 balance, $3,000 spent.

Family C shows what a large balance does. At $3,000 held all year, the reward covers most of the fee on several plans, and on Till Premium the reward and cashback ($60.00 + $30.00) are more than the $79.00 fee.

What the fee buys, and what free accounts already do

The calculation above leaves out features. That is the part a fee is really buying. Here is where each feature appears, from each provider’s own pages. It is not a ranking. Tick the rows you would use.

Eligibility is the price of the free accounts. Chase First Banking is "Exclusively for Chase checking customers" and covers ages 6 to 17 (chase.com/personal/first-banking). Capital One MONEY Teen has "No monthly or maintenance fees—even after your teen turns 18" and is open to kids "as young as 6" (capitalone.com). Cash App’s kids account is for ages 6 to 12, with "no hidden or monthly fees" (cash.app/families/for-kids). Step has "no monthly subscription fees", but its 3.00% savings rate and 1% cashback depend on earning Step Black status through $500 of card spending or $300 of qualifying direct deposits each month (step.com/families).

For the full list of alternatives and what switching involves, see Greenlight alternatives.

Your youngest child sets the horizon

A family fee runs until your youngest child no longer needs the card. Your older child ageing out does not shorten it.

Take children aged 9 and 13 on Greenlight Core. The fee runs 9 years, to the younger child’s 18th birthday: $71.88 × 9 = $646.92. For the first 5 years it covers two children, then for 4 years it covers one. That is 14 child-years of cover, or $46.21 per child-year. While both are on the plan, the figure is $35.94.

So the per-child saving of a family plan is real only while more than one child is using it. Put your own years into the savings by 18 calculator to see what the same monthly amount adds up to if it were saved instead. Like every tool on this site, it is free and needs no account.

Is the "reward" interest?

No. Greenlight calls its rate a "Savings Reward". Till calls its rate "save rewards". Both are paid by the company and are part of what you buy with the fee. Greenlight’s stops at a $5,000 family balance. Interest from a bank or credit union is paid on the deposit itself, and there is no subscription. The table above lets you compare the two directly: $10.00 of reward on $500 at Greenlight Core, against $1.85 at the national average savings rate or $20.00 at the 4.00% youth account. For more on what the advertised rates really are, see the fee comparison.

How we checked this, and when

Every price, rate, cap and feature above was read from the provider’s own page on 21 September 2026: greenlight.com/plans, greenlight.com/rewards, greenlight.com/no-hidden-fees, modakmakers.com/pricing, tillfinancial.com/faq, famzoo.com, acorns.com/early, personal.chase.com/personal/first-banking, capitalone.com (MONEY Teen Checking), cash.app/families/for-kids, step.com/families, fdic.gov/national-rates-and-rate-caps and midflorida.com (Youth Savings). Every table figure was calculated with a script from those inputs. Prices change, so check the provider’s page before you sign up.