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Commerce · alternatives · 2026

DD

24 alternatives to Double – Design and invest in your own stock index

Hey everyone, we’re JJ and Mark from Double (https://double.finance). Over the past few months we’ve been working on an investing app that lets anyone design and invest in their own stock index. Start by picking one or more strategies. You can find 20+ starting points in Double that vary from direct index versions of classic ETFs (like SPY) to strategies focused on specific industries, market trends, or themes (like YC public companies). You can also easily build your own grouping of stocks, and tilt your strategy towards or away from certain stocks or sectors. Once you’ve chosen…

Double is an investing app that lets users design and invest in custom stock indexes. It offers over 20 pre-built strategies ranging from direct index versions of classic ETFs to themed portfolios focused on industries… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Double – Design and invest in your own stock index launched in 2024; newer entries below may have overtaken it.

  1. 1
    Double▲292

    Design your own stock index

    2024 · its alternatives →

  2. 2
    Gainy▲391

    Stock picker and portfolio analysis app for retail investors

    2022 · apps.apple.com · its alternatives →

  3. 3

    Free stock photos now with colors, icons, mockups and more

    2016 · thestocks.im · its alternatives →

  4. 4

    Design your own portfolio from 24,000+ funds and stocks

    2014 · hellomoney.co · its alternatives →

  5. 5

    Find great-value stocks with this application

    2022 · apps.apple.com · its alternatives →

  6. 6
    Freetrade▲274

    Invest in stocks & ETFs for free, get started in seconds.

    2019 · freetrade.io · its alternatives →

  7. 7

    The modern way to connect investments

    2024 · stockle.app · its alternatives →

  8. 8

    Share helps you create automated investing strategies

    2022 · its alternatives →

  9. 9
    Twine▲128

    The smarter way for couples to save and invest, together.

    2017 · its alternatives →

  10. 10
    Stockpile▲141

    Invest on your terms. Buy stock by the dollar.

    2017 · stockpile.com · its alternatives →

  11. 11

    Index investing that gets you more

    2023 · frec.com · its alternatives →

  12. 12

    Now you can invest with Square's Cash app

    2019 · cash.app · its alternatives →

  13. 13

    Invest first & spend what's left

    2024 · its alternatives →

  14. 14

    Daily fantasy sport meets the stock market

    2020 · its alternatives →

  15. 15

    Invest with every step you take

    2024 · its alternatives →

  16. 16

    Encourage people to start investing in a playful way

    2024 · waitforwealth.com · its alternatives →

  17. 17

    Create, share and discover great investment portfolios

    2023 · savvytrader.com · its alternatives →

  18. 18RT
  19. 19

    Create and compare personalized plans for your stock options

    2023 · secfi.com · its alternatives →

  20. 20

    The ultimate stock tracking tool to maximize your returns

    2018 · apps.apple.com · its alternatives →

  21. 21

    Helping you pick great stocks to invest in

    2014 · stockflare.com · its alternatives →

  22. 22
    Tickr▲123

    Invest in a better future for yourself and the world 🇬🇧

    2020 · tickr.co.uk · its alternatives →

  23. 23SA
  24. 24

    Track portfolios and calculate returns in one place

    2022 · apps.apple.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →