APY 4.27% · live
Savings · since 2022 · 142,000 jars

A jar for the
small change,
earning 4.27%.

Penny rounds your everyday purchases up to the next dollar and sets the change aside in a high-yield jar. No minimum, no fee for the first jar, no nag.

APY
4.27%
Avg saver
$84.20 / mo
Insured
$250k
jar · vacation_2026last set-aside · 12 min ago
Balance
$2,184.27
+$84.20 this month at 4.27%
Recent round-ups
Bluestone Coffee
$4.20+$0.80
Whole Foods Market
$48.42+$0.58
Shell · 412 W. Main
$32.10+$0.90
MUNI BART
$3.40+$0.60
Plover Books
$18.27+$0.73
FDIC · partner Webster Bank N.A. insured
Covered in
Field Notes CapitalMercury TreasuryPlover & Co.The Penny HoarderNerdWalletBankrateForbes AdvisorCNBC SelectMoneySmartAssetField Notes CapitalMercury TreasuryPlover & Co.The Penny HoarderNerdWalletBankrateForbes AdvisorCNBC SelectMoneySmartAsset

Save in the background. Watch in the foreground.

Four mechanics, one quiet app, one number going up.

01 · Round-ups

Spare change, sized to the swipe.

Every transaction rounds to the next dollar. The remainder lands in your jar by the end of day. Toggle off any merchant, any time.

Avg / month
$84.20
Avg / swipe
$0.62
Set aside / wk
$1.4M
02 · Goal jars

Up to 12 named jars.

Vacation, braces, leaky roof, season tickets. Each earns the full 4.27% APY, posted nightly.

03 · Auto set-aside

Pay your jar first, on payday.

Choose a percentage of your direct deposit. Penny moves it the moment it lands.

Services

Three ways the jar fills.

01

Round-up engine

Every swipe rounds to the next dollar. The change goes into a high-yield bucket. Pause anytime.

Cost
free · always
FDIC · up to $250k
02

Goal jars

Up to 12 named jars. Vacation, kid's braces, the leaky roof. Each earns its own rate, posted nightly.

Cost
$2.40 / mo
APY 4.27%
03

Auto-set-aside

We watch your paycheck land and set aside the percentage you choose, before you can spend it.

Cost
free with goals
ACH · 1-day settle

A modern savings app, or your old bank.

Both insured. One earns the difference between a vacation and a longer one.

Comparison
Penny
Traditional bank
Minimum balance
$0
$2,500
Monthly fee
$0 / $2.40
$12.50
Yield (savings)
4.27% APY
0.04% APY
Round-ups
Built in, free
Not offered
Branch visit required
Never
Often
Saver letters
"I set Penny up on a Tuesday and forgot about it. Six months later there was $1,427 in the kid's-braces jar."
Maja Nilsen
Saver since 2025
$4.27M
set aside this month
4.27%
APY · variable
142,000
open jars
31 yrs
banking team experience

No-minimum, no-fee, no-nag.

Plus a paid plan if you want more jars and the full 4.27% on every dollar.

Penny

$0
/ mo

Round-ups, one jar, 4.10% on the first $5,000.

  • 1 savings jar
  • Round-ups, unlimited
  • FDIC up to $250k
  • Email support
Open a jar

Penny+

most chosen
$2.40
/ mo

Up to 12 jars, the full 4.27% APY, and auto-set-aside on payday.

  • 12 named jars
  • 4.27% APY uncapped
  • Auto-set-aside
  • Spouse / partner access
  • Chat support
Open a jar

Penny family

$6.40
/ mo

For families. Up to 5 members, kid sub-accounts, and a quarterly statement.

  • 5 members
  • Kid sub-accounts
  • Quarterly paper statement
  • Allowance automation
  • Phone support
Open a jar
Trust & compliance

The questions every saver asks.

Yes. Penny partners with Webster Bank, N.A., a Member FDIC institution. Deposits are insured up to $250,000 per depositor.

Open the jar.
Watch it fill.

Three minutes to set up, $0 to start. The first round-up usually lands within an hour.