For iPhone

Turn impulse buys into investments.

tarpp steps in at checkout and shows what that money could grow to, so you can invest it instead.

Coming soon to the App Store See how it works

Works with Safari on iPhone.

Free to use. Pro is $9.99 a month or $59.99 a year, with a 7-day free trial.

tarpp's Home screen with example data: a portfolio value with its chart, a linked account, this month's redirects and progress toward a $5,000 annual goal. tarpp's Home screen in dark mode with example data: the portfolio, a linked account, this month's redirects and the annual goal.

How it works

A moment to think before you buy

  1. Shop in Safari as usual

    Turn on the tarpp extension in Safari. When you tap Add to Cart or Buy Now on a product page, tarpp steps in, only for purchases over the minimum you choose ($25 to start).

  2. tarpp shows what the money could become

    See what the price could grow to in 10 and 20 years. Choose Invest instead to go to your own brokerage's website, or Buy anyway to carry on with your purchase. Choosing Invest instead is called a redirect, and tarpp keeps track of each one.

  3. Track it growing

    Link your investment account (read-only, through Plaid) to see your portfolio and deposits, and follow your progress toward a yearly goal.

tarpp's sheet in Safari over a made-up store's product page: wireless headphones at $249.00 could be $645.84 in 10 years or $1,675.15 in 20, with Buy anyway and Invest instead buttons. tarpp's sheet in Safari in dark mode, over a made-up store's product page: what $249.00 could grow to in 10 and 20 years, with Buy anyway and Invest instead.
tarpp's Activity screen with example data: redirects and deposits grouped by month. tarpp's Activity screen in dark mode with example redirects and deposits.

Your money stays yours

tarpp never holds or moves your money

Invest instead takes you to your own brokerage, where any deposit or investment is yours to make. tarpp keeps track of your choices and shows what your accounts report.

  • Accounts connect read-only through Plaid. tarpp never sees your brokerage login, and it can't trade or transfer.
  • Linking is optional. Everything else in tarpp works without it.
  • Delete your account and its data from the app's Settings at any time.

Features

Everything in one calm place

Steps in at checkout

A short pause when you tap a buy button, with what the money could become. You choose a minimum price, from $0 to $100.

A yearly goal

Choose how much to redirect this year ($5,000 to start) and see how you're pacing, with what it takes each month to get there.

Every choice, logged

Activity lists each time you chose Invest instead, alongside your brokerage deposits, month by month. You can export it all as a spreadsheet.

Your portfolio

See your linked investment accounts' combined value, how it has moved over time, and the deposits you've made.

Insights into your habits

Your streak, your week and the categories where you skip buying most. Pro adds trends, top stores and when you're most tempted.

Private by design

Hide balances with one tap, lock the app with Face ID, and choose which notifications you get: a weekly recap, milestones and more.

Insights

See how your habits change

Streaks, your week and the categories where you skip buying most come with every account. Pro adds trends over time, what your redirects could be worth, your top stores, when you're most tempted and how your choices are trending.

tarpp's Insights screen with sample data: a redirect streak, this week's redirects and amounts by category. tarpp's Insights screen in dark mode with sample data: a streak, this week and categories.

Pricing

Start free. Go Pro when you want more.

Pro is billed through your Apple Account and can be cancelled anytime.

Free

$0

  • Steps in at checkout
  • Your yearly goal and pace
  • Activity and Insights
  • 1 linked investment connection

Pro

7-day free trial

$9.99 / month

or $59.99 / year Save 50%

  • Everything in Free
  • Up to 3 linked investment connections
  • Remind me later: come back to an item at a time you pick
  • Deeper Insights: trends, what it could be worth, top stores, when you're tempted and your choices

Subscribe in the app after you download.

Prices in US dollars. One free trial per Apple Account, on either plan. Pro renews automatically unless cancelled at least 24 hours before the end of the current period.

FAQ

Questions, answered

Does tarpp hold or move my money?

No. tarpp never holds, moves or invests your money. Invest instead opens your own brokerage's website, and any deposit or investment is yours to make there. In tarpp, a redirect records your choice, not a transfer.

How do my accounts connect?

Through Plaid, read-only. You sign in to your brokerage in Plaid's own screens, so tarpp never sees your username or password, and it can't trade, transfer or change anything.

What can the Safari extension see?

It reads the page you're on to find a product's name, price and picture, and only steps in when you tap a buy button. It saves something only when you choose in its sheet, and the extension itself never talks to tarpp's servers.

How do I cancel Pro?

Pro is billed by Apple, so it's cancelled in your Apple Account: on iPhone, Settings › your name › Subscriptions, or in tarpp, Settings › Plan › Manage subscription. You keep Pro until the end of the period you've paid for.

Make your next impulse buy an investment.

tarpp is coming soon to iPhone.

Coming soon to the App Store

Works with Safari on iPhone.