Build your virtual music empire, create real songs, earn actual revenue.
Do you have what it takes to be the world's first virtual pop superstar?bandsim.comJoined August 2025
Just found a bug 🐛 affecting both apps 😞... if users skip the profile screen no free tokens are assigned & therefore can't take any actions in the game or make song 🤦. Hopefully can fix this using Firebase's "onUserCreated" trigger on the backend to fix without a re-deploy 🤞
Day 30: Play Store app 1/2 approved!! I Submitted Standalone app (MusoMatic) and game (BandSim) together so hopefully BandSim gets approved in-time.
play.google.com/store/apps/det…
Cutting it very fine with 18 hours left for: #shipaton#buildinpubic
Day 29: Improved the hiring and firing flow for band members, next up is improving the UI for band chemistry, good chemistry is essential to making great music and keeping your band together is half the battle:
#BuildInPublic#Shipaton
Day 28: Tight deadline meant skimping on some features, so we've started improving the initial onboarding character select and added a pool of existing characters. Players can now jump right in if they don't want to build their own avatar 🎸⚡ #BuildInPublic#shipaton
Days 25-27: Been a manic few days crossing t's and dotting i's to try and get Beta v0.01 ready for the play store. It's now in review! Deadline day in 7 days, cutting it fine.😬 🤞
#BuildInPublic#Shipaton
Day 24: AI music backend upgrade complete! Simple MIDI melodies or beats created in-game can now become full multi-track songs. Turning player creativity into professional productions 🎹➡️🎵 #BuildInPublic#Shipaton
Day 23: Basic token shop complete using @RevenueCat. Play Store internal testing ✅. UI needs some pixel pushing but it works! Next up: subscriptions and virtual currencies. MVP launch target: Monday! 🚀 #BuildInPublic#shipaton
Day 22: Started on the 3D animations for guitar playing avatars, needs a lot of work but starting to take shape, next up drums and piano. Players start off their musical careers practising in garages and move their way up to professional studios🎸📷 #BuildInPublic#shipaton
Day 21: Music mini-game UI in progress! These games help players level up their virtual musician's skills. Basic guitar mechanics are working, UI needs refinement but it's playable! 🎸🎮 #BuildInPublic#shipaton
Day 20: Did an Android test build -> was a chunky 500MB. Fixed with compression and addressables - now a respectable ~160MB which good enough for now, we'll revisit once game is done (still only half completed) 📱💾 #BuildInPublic#shipaton
Day 19: Mostly backend work. Implemented player energy systems - coffee boosts, sleep cycles, energy drinks for those all-nighters. Plus daily/weekly token bonuses and reusable coin/token utilities. ⚡☕ #BuildInPublic#shipaton
Days 17-18: Finalized the monetization.
💰 Coins = earned at day job → gear upgrades & studio rental 🌟 Tokens = premium currency → rare items & skip work shifts
👥 Fans = gain/lose based on performance ⚡ Energy = balance work vs music (overwork =more cash but worse shows)
Day 16: Started on Homescreen, don't love it yet... but got most components in place (placeholders for most yet to be built) but needed away to start navigating between "Work" and "Play" Needs to custom icons too but starting to come together #buildinpublic#shipaton
Days 11-15: Built the Coffee Shop Grind! Players start working part-time for minimum wage, scraping together rent money while whatever's left goes toward band practice and studio time. Making poverty fun since 2025 ☕🎸 #BuildInPublic#shipaton
Days 8/9/10: Impromptu side quest complete! MVP-ed standalone AI music + Music video maker. These in-game features were too good not to make them standalone for general use. 🎵🎮 #BuildInPublic#Shipathon
Day 7: Expanded avatar customization! Added more haircuts, clothing options, and started implementing paid accessories for the musician creator. Your virtual rock star can now look as broke or bougie as you want 🎸✨ #BuildInPublic#Shipaton
Day 6: Song generation tiers are live! Players evolve from Amateur (neighbors will complain) → Semi-Pro (friends will listen) → Pro (strangers will pay). Watching AI songs improve as players level up while keeping inference costs in budget 🎵🚀 #BuildInPublic#Shipaton
Day 5: Rhythm engine development underway! Ironically, programming beat detection is much harder than actually playing music. My virtual drummer already has better timing than me at 47 BPM accuracy 🥁😭 #BuildInPublic#Shipaton
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2K Followers 192 FollowingHead of Product @RevenueCat. Experienced product leader. I tweet about product management and leadership. 𝐦𝐚𝐬𝐭𝐨𝐝𝐨𝐧.𝐬𝐨𝐜𝐢𝐚𝐥/@𝐣𝐞𝐟𝐚𝐠𝐨
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52K Followers 2 FollowingUse hashtag #buildinpublic to share what you're working on. – Made by @marckohlbrugge. – Sponsored by https://t.co/vASwn0HF5o ⚡
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