Siddharth Gupta (biocross)

iOS Developer, Electronics Engineer and Enthusiast, Programmer.

Singapore
Website
GitHub
Twitter

RevenueCat Shipaton 2026

Featured

Online

Ship apps and start making money.

$740,000 in prizes
Oct 01, 2026 02:45 AM EDT to submit
27347 participants

OpenAI Build Week

Online

Join a global week of building with Codex

$100,000 in prizes
Winners announced
46699 participants

RevenueCat Ship-a-ton

Online

Ship apps and start making money.

$25,500 in prizes
Winners announced
1672 participants

Intel Hacks 2017

Online

Plug, play, and power up with Arduino 101 to win prizes.

$20,000 in prizes
Winners announced
851 participants

Atlassian Codegeist: Add-on Hackathon

Online

Atlassian Add-on Hackathon:Extend JIRA, Confluence, HipChat or Bitbucket

$100,000 in prizes
Winners announced
871 participants

Internet of Things | Summer Jam

Online

Does your watch know what your coffee maker is up to?

Non-monetary prizes
Winners announced
235 participants

The Kandy Throw Down

Online

Put your app in beast mode. Give it Kandy – reliable real-time communications SDKs for every scenario and every developer.

$29,000 in prizes
Winners announced
224 participants

Uber Hackathon

Online

Build the on-demand future with the Uber API

$9,000 in prizes
Winners announced
1437 participants

Citrix App Challenge

Online

Create Citrix integrated apps for the mobile workforce.

$55,000 in prizes
Winners announced
231 participants

20 Lines of JS Challenge

Online

Show us your best JavaScript hack in under #20lines of code!

$284 in prizes
Winners announced
87 participants

The MTA and AT&T Present: App Quest 3.0

Online

More data. More connectivity. More smartphone apps. Make New York’s transit experience three times better.

$50,000 in prizes
Winners announced
279 participants

Epson Moverio Develop the Future App Challenge

Online

Create the best Moverio Smart Glasses App. Augment your world and your wallet: Ideation Phase 1

$13,592 in prizes
Winners announced
151 participants

The Happiness App Challenge

Online

Shape the future of humanity by creating apps to increase happiness, productivity and well being!

$50,000 in prizes
Winners announced
717 participants

Sinch Communications Challenge

Online

Leverage the Sinch SDK in your app to revolutionize communications. What will you build with real-time voice calling and instant messaging?

$4,000 in prizes
Winners announced
51 participants

SUMURR Golden Hour Challenge

Online

Help make every minute in the Golden Hour count. Create software to enable timely and better quality care to trauma victims in Delhi.

USD$30,000 in prizes
Winners announced
83 participants

SUMURR mHealth Challenge

Online

Extend the reach of healthcare through mobility. Create solutions to help provide uncompromised healthcare in rural areas in Tamil Nadu.

USD$30,000 in prizes
Winners announced
143 participants

Connected Intersections

Online

Smart phones are increasingly the common denominator among pedestrians, cyclists, and drivers on NYC's crowded streets. Create technology to connect those in traffic and keep pedestrians safe and alert.

$50,000 in prizes
Winners announced
357 participants