$50 buys 0.25 of a $200 share
Own a piece of everything.
Stocks, ETFs, crypto and bonds in one app. Start with $1, invest on autopilot and earn on the cash you haven't put to work yet.
Weekly buy complete$50.00 into VOO · just now
NNVDA crossed $140Your price alert · 2 min ago
+$12.40 dividendFrom AAPL · reinvested
Round-ups invested$3.82 from 6 purchases
Why Ostra
Investing used to mean a broker, a $10,000 minimum and a lot of jargon. Ostra puts stocks, ETFs, crypto and bonds in one app, so your first $10 gets the same tools as your next $10,000.
Every Monday · $25 into VOO
Set it once. Invest every week.
+$0.00interest this month
Earn up to 4.10% on cash that's waiting.
One app, every market
Everything you want to own, in one place.
Trade US stocks and ETFs commission-free, buy crypto any hour of the day and lock in Treasury yields, all from the same balance.
Own the companies you already know.
More than 5,000 US stocks with real-time quotes, analyst ratings and earnings dates. Buy whole shares or a slice from $1.
5,000+US stocks
$0commission
Livequotes
Build a diversified core in two taps.
Pick from 1,800+ ETFs or start with a ready-made mix. Set a weekly amount and Ostra keeps your allocation on target.
1,800+ETFs
$1minimum
Autorebalancing
Crypto never sleeps. Neither does the app.
Buy, sell and hold 40+ coins around the clock. The spread is shown before you confirm, and coins are held in cold storage.
40+coins
24/7trading
Coldstorage
Lock in a yield from $100.
Buy US Treasuries from 3 months to 30 years, build a ladder in one tap and get paid straight to your cash balance.
4.92%3-month yield
$100minimum
Nostate tax
Autopilot
Start with $1. Grow on autopilot.
Buy a slice of any company, whatever its share price. Pick an amount and Ostra invests it for you on schedule, so you never have to time the market.
- Fractional shares$5 of a $500 stock is still yours.
- Recurring buysDaily, weekly or monthly. Pause anytime.
- Round-upsSpare change from your card, invested.
Recurring buyVVOO · S&P 500
Amount
Every
In 10 years$0
You put in $0Growth $0
Hypothetical example assuming a 7% average annual return. Not a guarantee of future results.
Insights
Ostra keeps watch, so you don't have to.
Alerts, earnings, dividends and drift, explained in plain English with the next step one tap away.
Price alert · 2 min ago
NVDA just crossed $140, the price you asked me to watch. It's up 6% this week on data-center demand.
Now$140.12Buy NVDA
Earnings · Tomorrow
Apple reports after the close tomorrow. You hold 4.21 shares, and analysts expect $1.35 a share.
Q1
Q2
Q3
Q4
Est.
Your stake$967.75See estimates
Dividend · Today
Coca-Cola paid you $3.84. It went straight back into KO, so you now own 12.06 shares.
Reinvested+0.055 KOView activity
Drift · This week
Tech has grown to 46% of your portfolio, well above your 35% target.
Tech 46%Health 18%Energy 14%Bonds 12%Crypto 10%
Target35%Rebalance
Cash · This month
Your idle cash earned $42.61 in interest this month. That's more than your phone bill.
Rate4.10% APYAdd cash
Round-ups · Yesterday
Coffee, groceries and a ride home rounded up to $3.82, now invested in VOO.
This year$612.40Boost ×2
Tax · Dec 12
Selling ARKK before Dec 31 could offset about $640 of this year's gains.
Potential offset$640Review
Pro tools
Pro tools, minus the clutter.
Candlestick charts with 30+ indicators, alerts that actually reach you and an order ticket that fits on one screen.
NNVDANVIDIA · 1H$138.42+2.31%
Ostranow
NVDA crossed $140.00. You asked me to watch this one.
- NNVDA above $140.00Price · Push and email
- ₿BTC moves 5% in 24 hoursVolatility · Push
- AAAPL reports earningsCalendar · Push, day before
- VVOO below $480.00Price · Push
- %Portfolio drifts 10% off targetPortfolio · Email
NBuy NVDA$138.42 · Market open
MarketLimitStop
Shares5
Limit price$136.50
Good forDay
Estimated cost$682.50
Cash
Your cash works while it waits.
Earn up to 4.10% APY on uninvested cash, paid monthly. No lock-ups, no minimums, and it's ready to invest the moment you are.
Paid monthlyNo lock-upsNo minimums
4.10%APY
Earned today
on $12,480 in cash$0.0000
on $12,480 in cash$0.0000
Ostra Plus4.10%
Ostra Free2.50%
US savings avg.[0.45]%
Portfolio
See the whole picture.
Allocation, performance, dividends and goals in one view, updated in real time.
See exactly how your money is spread across sectors and asset classes, and what moved it today.
Compare your returns with the S&P 500 over any period, with dividends and fees already counted.
Every upcoming payout on one calendar, with the option to reinvest each one automatically.
Name a goal and a date. Ostra shows whether you're on track and how much to add if you're not.
Allocation$24,456.87
5sectors
- Technology34%
- Bonds22%
- Healthcare18%
- Energy14%
- Crypto12%
PerformanceYear to date
You+18.4%S&P 500+14.2%
Dividends$412 expected this year
- ANov 14 · AAPL$1.05
- KDec 1 · KO$5.85
Goals3 active
House deposit$18,600 of $30,000
On track for June 2028Emergency fund$10,000 of $10,000
Done. Nice work.Retire at 55$64,200 of $900,000
Add $140 a month to get back on trackSecurity
Built like a brokerage. Because it is one.
$500K
SIPC protection
Securities in your account are protected up to [$500,000], including [$250,000] for cash claims.
FINRA
Regulated broker-dealer
Brokerage services by [Ostra Securities LLC], member [FINRA] and registered with the [SEC].
2FA
Biometric login
Face ID, passkeys and two-factor authentication on every new device.
95%
Cold storage
Nearly all crypto is held offline in segregated cold storage with [Custodian].
Reviews
Loved by first-timers and full-timers.
4.8
From 120K+ ratings on the App Store
“Recurring buys changed everything. I set it once and forgot about it, in the best way.”
“I started with $20 and a lot of fear. Two years later I check Ostra more than Instagram.”
“The charts are genuinely good. I moved over from a desktop platform and I don't miss it.”
“The cash rate alone made it worth switching.”
“Finally one app for my stocks and my crypto. The alerts are fast and actually useful.”
4.7
From 80K+ ratings on Google Play
“Moving my account from another broker took one form and cost me nothing.”
Pricing
Simple pricing. Start free.
FreeEverything you need to start.
$0/month
Free forever
Get started
- Stocks, ETFs and crypto
- Fractional shares from $1
- Recurring buys and round-ups
- 2.50% APY on cash
PlusFor investors who want more.
$5/month
Billed monthly, cancel anytime
Try Plus free for 30 days
- Everything in Free
- 4.10% APY on cash
- Advanced charts and 30+ indicators
- Unlimited price alerts
- Level II market data
PremiumFor active traders.
$12/month
Billed monthly, cancel anytime
Go Premium
- Everything in Plus
- Research reports from [Partner]
- Margin from [5.75]%
- 1% match on transfers in
- Priority support, 24/7
FAQ
Questions, answered.
Still curious? Our team answers in the app, around the clock.
Download the app, verify your identity in a few minutes and add money from your bank. With instant deposits you can usually place your first trade right away.
No. You can open an account with $0 and buy fractional shares from $1.
Mostly from Plus and Premium subscriptions, interest on cash held at our partner banks and a small spread on crypto trades. We show the spread before you confirm any crypto order.
Securities in your brokerage account are protected by [SIPC] up to [$500,000], including [$250,000] for cash. Crypto isn't covered by SIPC; it's held in segregated cold storage with [Custodian].
Yes. Start a transfer in the app and we'll move your positions over, usually within a week. We cover outgoing transfer fees up to $100.
A fraction of one share. If a company trades at $500, $50 buys you 0.1 shares and the same share of its gains, losses and dividends.
Your first investment is two minutes away.
Scan to get the app