Arpit Agarwal
Contact
The best way to get in touch with me is via a DM at X.com/arpwal. I read through everything.
Current Projects
Rainbow Labs Inc., Founder(2020 - present)
Building privacy-first consumer products and tools that help businesses grow.
- SLIK - Secure File Storage
(Dec 2020 - present)
Your files stay private with end-to-end encryption. Only you can access them, not even we can see your data.
- Files are encrypted on your device before uploading
- Search your files in under 100ms
- Works on all your devices
- [Under Construction] Being re-developed for the 4th time
- ContactsManager.io - Social SDK
(March2025 - present)
Add social features to your app with just 2 lines of code. Help users find friends and stay connected.
- Friend finder that respects privacy
- Activity feeds for user engagement
- Invite system with smart waitlists
- Tales.so - Book Podcasts
(Oct 2024 - Present)
Listen to any book as a podcast. We turn 10,000+ books into easy-to-listen episodes you can enjoy anywhere.
- Learn any book in under 7 minutes
- Chat with AI versions of famous authors
- Perfect for busy people on the go
- TrackReviews.app - App Store Review Monitor
(June 27, 2025)
Track App Store reviews in Slack with real-time notifications and automatic English translation from multiple countries.
- Monitor reviews from US, Japan, Germany, France, Brazil, and Spain
- All reviews automatically translated to English
- Competitor analysis and review trend monitoring
- Simple setup - just paste an App Store URL
- SchedulePosts.io - Social Media Tool
(March 2025 - present)
Connect your social accounts, let AI analyze them, and automatically create and post better content.
- AI finds what content works for you
- Creates videos and posts automatically
- Posts to all your accounts at the best times
- NikoNiko.app - Positive Thoughts App
(May 2025)
A happy place on your phone where only positive thoughts are shared. Because everyone needs more joy in their life.
- Share only happy and uplifting content
- Connect with positive people worldwide
- Get daily inspiration and motivation
Investing
As a side hobby, I invest in projects, startups, crypto and a few public companies that I love and use since 2017. I have netted something like 54%+ IRR over the past 8 years. I will convert this into a company one day and if you're reading and interested to join -- please apply.
Other Projects
I've built a bunch of other projects over the years. Here are some of them:
Past
- Lumi Labs (now Sunshine), Founding Engineer
(2018 - 2020)
- Founded by Marissa Mayer and Enrique Muñoz Torres,
- Founding Engineer,
- Built various pieces of the software that are today running at the helm of Sunshine
- Pixet, Founder (acquired)
(2014 - 2018)
- Idea: A camera that takes pictures automatically,
- Built a highly scalable distributed system for consumer media mobile apps,
- Video streaming technology acquired (in 2018) by another startup,
- Google, Engineer + 20% Product Manager
(2016 - 2018)
- Worked on 3 billion user products as part of a cross functional team,
- Android Messages, Google Keyboard and Google Duo
- Beepi, Founding Engineer
(2014 - 2016)
- Key component in growing the company from 20M in valuation to 2B+ in private markets. Lead investors: Redpoint Ventures & Sherpa Capital
- Head of Mobile and Data Teams
- Launched Beepi's flagship mobile app on both iOS and Android platforms
- Featured on Apple AppStore and marked as best app in Apple Pay and Shopping Categories
Interesting links
Thought provoking words from people that I find interesting and inspiring: