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Show HN: CardSwipe – The right credit card in 2 seconds, no bank login

https://cardswipe.app
1•ShauryaDat•58m ago

Comments

ShauryaDat•58m ago
What if selecting the right credit card took just 2 seconds instead of math?

This is the problem solved by our upcoming app CardSwipe, created by myself and co-founder Aarav.

Each credit card rewards purchases in various categories, with rotating categories and bonuses capping at certain amounts. The card you currently have may not necessarily be the best one for you.

CardSwipe is designed to show you the best card for any purchase, on your iPhone Lock Screen or even Apple Watch, with an estimation of points earned per $100 spent.

Unlike any other card comparison apps, CardSwipe doesn't require access to your financials and card numbers. Instead, you enter your cards into the app, and it utilizes the rewards structure of each card to give you the recommendations.

We've spent days obsessing over the user interface design since a recommendation is pointless if you can't do anything with it before the cashier rings you up.

Now we're looking for people to join our free public TestFlight beta.

Try it out: https://testflight.apple.com/join/Vh8VCa3h

If you try it, let us know what didn't work. Would you use such an app without access to your bank account?

Universal Social Media Downloader

https://www.downloaders.co/
1•pulloco•52s ago•0 comments

Show HN: 3D Rendering Engine Written in OpenGL and C++

https://github.com/HaydenD100/OpenGLRenderingEngine
1•manerMon1•54s ago•0 comments

Beef production in Brazil is the largest driver of global deforestation

https://ourworldindata.org/beef-production-in-brazil-has-been-the-largest-driver-of-global-defore...
1•surprisetalk•1m ago•0 comments

How Defunding the Arts Wrought Civic Disintegration

https://www.artnews.com/art-in-america/aia-reviews/defunding-arts-civic-disintegration-what-was-a...
1•eustoria•1m ago•0 comments

The Psicology of an AI Hacker

https://arxiv.org/abs/2610.30361
1•vmayoral•1m ago•1 comments

A live zoo of bots visiting one site, with a trap for those ignoring robots.txt

https://crawlerzoo.com/
1•entryleveljobsc•2m ago•0 comments

MoonScript v0.8.0 Changelog

https://moonscript.org/changelog.html
1•nathcd•2m ago•0 comments

What Is a "Harness"?

https://twitter.com/theo/status/2113424203345265053
1•cmpit•4m ago•0 comments

PHP 8.5 reimplemented from scratch in Rust

https://github.com/francescotinti/php-rust
2•hiccuphippo•4m ago•0 comments

Just Eat apologises for AI food mistakes after social media ridicule

https://www.bbc.com/news/articles/crz981p0klvgo
1•bookofjoe•4m ago•1 comments

Gpuix-Svelte: Build native desktop apps with Svelte

https://gpuix-svelte.stanislav.garden/
2•zapt02•4m ago•0 comments

Moderna and Merck say their mRNA cancer vaccine cut death, recurrence by 42%

https://arstechnica.com/health/2026/10/personalized-mrna-cancer-vaccine-cut-melanoma-death-recurr...
2•nathcd•4m ago•0 comments

Hacker leaks 281 GB of data from Germany's far-right AfD party

https://www.bitdefender.com/en-us/blog/hotforsecurity/hacker-leaks-281-gb-data-germany-afd
1•speckx•4m ago•0 comments

Crusoe to deploy AI cloud in Paraguay powered by the Itaipu dam

https://www.crusoe.ai/resources/newsroom/crusoe-araico-hydroelectric-ai-infrastructure-partnership
1•dvaplima•6m ago•0 comments

Slow C++ compilation: a trillion dollars in losses

https://ders.by/cpp/build/build.html
1•dersoverflow•9m ago•1 comments

I launched BIA – boot into agent – an agent that has full social presence

https://ownbia.com/
1•zond80•9m ago•0 comments

Fedora 45 Release Party

https://rsvp.fedoraproject.org/releases/f45/
1•getwiththeprog•9m ago•0 comments

Pghacker-MCP: pgsql-hackers mailing list and code history MCP server

https://pghacker-mcp.dev/
2•plaur782•9m ago•0 comments

Review of "Misalignment in high-stakes settings" in Anthropic's Risk Report

https://metr.org/blog/2026-10-20-misalignment-risk-report-august-2026-review/
1•gmays•10m ago•0 comments

Copilot Code (Frontier)

https://learn.microsoft.com/en-us/copilot/code/
1•Topfi•10m ago•0 comments

Knicks' James Dolan used fake scam email to employees about championship rings

https://clutchpoints.com/nba/new-york-knicks/knicks-james-dolan-used-fake-scam-email-to-employees...
1•AznHisoka•10m ago•0 comments

Disable Website/URL Comment Field in WordPress 2026

https://tim.cexx.org/?p=2165
1•speckx•15m ago•0 comments

Under-Skin Implant Controls Prosthetic Arms

https://spectrum.ieee.org/phantom-neuro-prosthetic-arm-implant
1•dverlaeckt80•18m ago•0 comments

In RSI, The Map is not the Territory

https://lambos.substack.com/p/in-rsi-the-map-is-not-the-territory
2•ltononro•18m ago•0 comments

Upstreaming Tyr: Rust, DRM, and the Linux Kernel

https://www.collabora.com/news-and-blog/blog/2026/10/21/upstreaming-tyr-rust-drm-and-the-linux-ke...
1•dverlaeckt80•18m ago•0 comments

OpenSSL 4.1.0

https://github.com/openssl/openssl/releases/tag/openssl-4.1.0
5•petecooper•18m ago•0 comments

Making Every Harness Durable

https://vercel.com/blog/making-every-harness-durable
1•gmays•18m ago•0 comments

Linux 7.4 Workqueue Changes Bring a "10 to 100 Times Faster" Optimization

https://www.phoronix.com/news/Linux-7.4-Workqueue
1•Bender•19m ago•0 comments

Show HN: Which iOS apps fill iPhone Duo's inner display

https://fitsduo.com/
1•iridis•19m ago•0 comments

MiniMax-M3.1-Flash

https://huggingface.co/MiniMaxAI/MiniMax-M3.1-Flash
2•tosh•19m ago•0 comments