shipped 8x iOS apps & 19M social views | 2x 🥇 Google DeepMind hackathon winner (solo) | if you need an app 👇🏼
Joined April 2025
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18 Dec 2025
my first time winning a hackathon solo!
built a b2b employee training and onboarding tool for fast-moving startups to eliminate "ping engineer" or "our docs are outdated"
17 Dec 2025
🥇 1st Place, Gemini Track: Hachly
A multimodal AI employee onboarding tool.
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Jun 3
15 profitable B2C app niches you can still build around in 2026 (est. monthly revenue from madOS(.)ai):
► Phone cleaner — Cleanup ($10M/mo)
► Plant identifier — PictureThis ($9M/mo)
► PDF scanner — CamScanner ($8M/mo)
► Period tracker — Flo ($7M/mo)
► AI photo enhancer — Remini ($5M/mo)
► Running coach — Runna ($5M/mo)
► Prayer / meditation — Hallow ($4M/mo)
► Niche dating — Feeld ($4M/mo)
► AI calorie counter — Cal AI ($2M/mo)
► Second phone number — Text Free ($2M/mo)
► AI video captions — Captions ($2M/mo)
► Food/cosmetic scanner — Yuka ($1M/mo)
► Book summaries — Blinkist ($1M/mo)
► AI study helper — Gauth ($900K/mo)
► Sleep tracker — ShutEye ($700K/mo)
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Jun 3
Picked a niche from the list above? Do this before you write a single line of code:
1. Search the keyword on the App Store. Read the top 5 apps’ 1-star reviews.
2. Find the complaint that appears again and again. That’s your wedge.
3. Search the same problem on TikTok, not just the category keyword. If nobody is making videos/comments about the pain, demand might be weak.
OR
4. DM me and do it with madOS: check revenue, downloads, reviews, screenshots, and competitors in one place.
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May 7
▸ 5 profitable B2C mobile app ideas to launch this week 👇🏼
(data from mados(.)ai)
some of them WILL surprise you
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May 7
5. "What would I look like with bangs?" as a $400K/mo app
Cosmo: AI Editor, Hair Filters · ~$400K/mo revenue · ~200K downloads · 4.35★ · Jan 2023
What you could build:
"InkPreview" — AI tattoo placement on your own body. Upload a photo, place any design (or generate one from prompt), see how it looks on your arm/back/leg. Tattoo regret is a $1B removal industry — try-before-you-ink is a huge market. Partner with tattoo artists for revenue share.
"BeardLab" — AI beard try-on for men. 50 beard styles, see yourself before committing, get grooming product recommendations. Men buy aesthetic apps if you frame it as confidence/discipline. Frame it as "masculine grooming OS," not "hair filters."
"StyleMe" — AI outfit try-on using your own clothes. Take photos of items in your closet, AI generates outfits, you see yourself wearing them. The closet-to-outfit problem is universal and somehow nobody has nailed it. Higher repeat usage than haircuts because you outfit yourself every day.
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May 5
post-onboarding >> onboarding
i see hundreds of apps losing $$ by NOT providing the "wow" effect after the trial has been confirmed
users expects personalisation
give them value after the paywall, or they will quickly open settings and cancel the trial "just in case"
May 5
Over 55% of 3-day trials are cancelled on Day 0. That’s over half gone before they can possibly have experienced the value of your app.
But the problem isn’t your paywall. It’s not even your onboarding. It’s the (missing) step in-between: the post-purchase screen.
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May 2
10 profitable B2C app niches to build RIGHT NOW (proven by data from madOS(.)ai)
▸ AI Interior Design → Home AI $1M/mo, AI Remodel $800K/mo, DecAI $1M/mo
▸ AI Note Takers → Summary $800K/mo, Minutes $500K/mo, Notee $400K/mo
▸ AI Image/Video Generators → Kling AI $2M/mo, Pose $900K/mo
▸ Screen Mirroring → Screen Mirroring Cast $800K/mo, Universal TV Remote $800K/mo
▸ QR Code Scanners → Scan QR Code Now $800K/mo (yes, in 2026)
▸ AI Language Tutors → Speak & Learn $4M/mo, Pingo AI $400K/mo
▸ AI Health Coaches → Bevel $500K/mo, Heartica $400K/mo
▸ AI Photo Cleanup → Cleaner AI $400K/mo, Photo Revive $300K/mo
▸ AI Music Generators → Donna $500K/mo, ElevenLabs $400K/mo
▸ AI Voice Keyboards → Wispr Flow $400K/mo, Live Translator $400K/mo
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May 2
All built and shipping less than 2 years ago. Most are 1-3 person teams.
Bookmark this for later.
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May 2
Update: won my third hackathon in a row!!
Google DeepMind 🥇
Google DeepMind x Vercel 🥇
Vercel 🥉
May 2
Building an agent to help you never miss anything new or revolutionary in your niche. Or you can use it to learn something new based on what the best people in the niche are saying
No more FOMO.
@vercel #zerotoagent @oscarfalll
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May 2
Building an agent to help you never miss anything new or revolutionary in your niche. Or you can use it to learn something new based on what the best people in the niche are saying
No more FOMO.
@vercel #zerotoagent @oscarfalll
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May 1
15 profitable B2C app niches you can start building in 2026 (data from madOS(.)ai):
► AI translator — Translator GO ($1M/mo)
► Phone cleaner — Cleanup App ($1M/mo)
► Plant identifier — PictureThis ($5M/mo)
► Astrology — Co-Star ($500K/mo)
► Sleep tracker — ShutEye ($700K/mo)
► Bird identifier — Picture Bird ($200K/mo)
► AI math solver — Calculator Air ($300K/mo)
► Wallpapers & widgets — iScreen ($300K/mo)
► Habit tracker — Habit Tracker by InnerGrow ($200K/mo)
► Rizz / dating wingman — RIZZ ($200K/mo)
► AI fitness coach — Athlytic ($200K/mo)
► Couples / relationship — Paired ($200K/mo)
► AI outfit / styling — Dressly ($100K/mo)
► Face yoga — FaceYogi ($60K/mo)
► Receipt scanner — Receipt Scanner: Easy Expense ($50K/mo)
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May 1
Picked your niche from the list above? 3 steps before you write a single line of code:
1. Open App Store, search the keyword. Read top 3 results' 1-star reviews.
2. Find what every reviewer hates. That's your wedge.
3. Search same keyword on TikTok. If top videos have <5K views, demand is weak.
you can do all of that in madOS
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May 1
views != installs
but it's a damn good feeling when you nail the format, and it brings you installs
planning to do 10x more for my new app (ai calorie tracker)
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May 1
I'm launching an unlimited mobile development subscription, and here's why 👇
Most app founders I know burn $80K-$120K and 6 months on agencies, or vibecode something that Apple rejects. Best case, you ship an app that doesn't convert.
Vibecoding is great, but you need to ship high-quality products that actually solve user problems. Complex underneath, simple on top.
I've built and shipped 8 iOS apps, won Google DeepMind hackathons twice, and scaled products past 1.5M users. I know what works.
Today I'm opening madOS Build, an unlimited development subscription for founders who want a real native app without hiring a team.
What you get:
— I personally design, build and ship your app (100%)
— Full madOS access (the AI mobile growth platform I run)
— Growth ASO support after launch
— Pause or cancel anytime
Sounds too good to be true? Try it yourself. First slot is discounted, only 5 spots open.
DM me or reply 👇
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eldar 🇬🇧 retweeted
🥇 1st Place - Jargon AI
Jargon is an AI-powered employee advocacy platform that analyzes competitor LinkedIn activity and automatically turns employees into high-performing content creators through data-driven content plans and AI-generated posts.
@eldarsoftware
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