Dev tools · alternatives · 2026
24 alternatives to 4242.pro
Fast enough? A game to test your Stripe checkout skills
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. 4242.pro launched in 2024; newer entries below may have overtaken it.
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The corporate card for fast-growing businesses. 💳
2019 · stripe.com · its alternatives →
- 2CA
2014 · jessepollak.github.io · its alternatives →
- 3
Generate fake credit card numbers for eCommerce testing
2016 · saijogeorge.com · its alternatives →
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Memo▲102Memory card game designed to enhance visual memory skills
2023 · memo.fun · its alternatives →
- 6
code:deck▲244Playing cards, for developers, by developers
2015 · varianto25.com · its alternatives →
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Hey, maker here. After launching a daily word search game, I randomly thought of this math game while driving. Finally got around to making it and I think it turned out pretty cool. It’s a math search game that’s meant to help you practice your quick addition, subtraction, multiplication, and division skills. I’m hoping it’ll help people (even those like me who aren’t big on math) learn and increase their speeds. (There are also some settings you can enable to make the game harder) If you try it out, please let me know if you found it fun, if you have anything you’d like me to add, or if you…
2024 · worchle.com · its alternatives →
- 9
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Scorecard.gg offers free scorecards for your favorite board games.
2023 · scorecard.gg · its alternatives →
- 11
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gameit▲73A competitive shopping experience. Trivia with prizes.
2015 · gameit.us · its alternatives →
- 14ML
2010 · zetamac.com · its alternatives →
- 15
Cardzen▲92Track every credit, perk, and point before it expires
Jul 2026 · cardzen.ai · its alternatives →
- 16IB
This is a free tool that helps you manage and visualize your credit card rewards across different categories. You can input the cards in your wallet and see how they complement each other, spot gaps in your setup, and also see the best card to use for a given merchant. I’m also a founder at OneCard, where we’re building a smart card that’ll eventually handle all of this automatically, routing each purchase to the best card in real-time. Would love feedback from the HN community!
2025 · rewards.getonecard.io · its alternatives →
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Effortless credit card test data
2023 · renjitphilip1.gumroad.com · its alternatives →
- 19
A game for designers: test your hex value skills
2015 · guessthehex.com · its alternatives →
- 20
Are You Smarter Than a 6th Grader? Prove it NOW!
2015 · play.google.com · its alternatives →
- 21
This fun game it's really a test to the eye.
2015 · 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 →