My app wasn't ready… but I used it anyway (solo startup devlog)

In this video, I share the reality of what happened when I tried to use my unfinished captions app for a real YouTube video. What started as a "simple" project using proven code turned into a memory-eating monster that pushed my M3 MacBook Pro to its limits. Watch as I navigate through crashes, emergency workarounds, and eventually figure out why my seemingly perfect prototype falls apart in the real world. This is the raw, unfiltered truth of indie app development. Follow my journey here: Website: https://adamlyttleapps.com Twitter: https://x.com/adamlyttleapps Github: https://github.com/adamlyttleapps Instagram: https://instagram.com/adamlyttleapps TikTok: https://tiktok.com/@adamlyttleapps Substack: https://adamlyttleapps.substack.com Apps by Adam Lyttle is the personal journey of an indie app developer, sharing valuable lessons and experiences to help fellow developers succeed in the competitive app market My channel is based on one simple premise: "A rising tide lifts all boats" — I share my experience, teach what I've learned and highlight the mistakes I've made along the way. Featured in this video: * Macbook Pro M3 with 34GB RAM & 1TB HDD * Macbook Pro M1 with 8GB RAM & 256GB HDD * Mouse: Logitech MX Master S3 * Keyboard: Logitech MX Keys * Microphone: Shure 7 * iPhone 15 Pro * iPhone 12 Mini * LEGO DUPLO: My First Duck 30327 When Reality Hits: A Solo Developer's Tale of Testing Gone Wrong As a solo startup founder and indie developer, I've learned that the gap between "working prototype" and "production-ready" can be surprisingly vast. Here's what happened when I tried to use my unfinished app for real work, and the valuable lessons it taught me about development, testing, and knowing when you're really ready to ship. The Confidence Before the Storm Every developer knows that feeling of pride when your code works perfectly in testing. That was me, just last week. I had spent months building a captions generator app for short-form video content. The prototype worked flawlessly with my test clips—smooth animations, perfect timing, and clean rendering. I had even implemented a sophisticated keyframe system similar to what you'd find in Premier Pro. Everything looked great. Until it wasn't. When Testing Meets Reality As a solopreneur developing apps, I also create content about my journey. I needed to edit a YouTube video, and I thought, "Perfect timing! I'll use my new captions app." After all, it worked great on my 3-second test clips. What could go wrong? Everything, as it turns out. The Reality Check: Memory usage skyrocketed to multiple gigabytes XCode's memory monitor went beyond 100% The app crashed repeatedly Video rendering became impossibly slow The Emergency Pivot When you're a solo developer, you don't have the luxury of a backup team. When things go wrong, you need to think fast and adapt. My solution? Break the video into one-minute segments, process them separately, and stitch them back together in Premier Pro. Was it elegant? No. Did it work? Mostly. Was it what I envisioned? Not even close. The Technical Deep Dive The root cause was hiding in plain sight. My keyframe animation system, which worked beautifully for short clips, was pre-calculating every frame's position, opacity, and size. For a 3-second clip at 30fps, that's manageable. For a 10-minute video? We're talking about millions of calculations stored in memory. The Path Forward As a solopreneur, every failure is a learning opportunity. This experience taught me that while prototypes are important, they need to be tested under real-world conditions. I'm now rebuilding the keyframe system to calculate positions on-the-fly rather than storing them in memory. The New Approach: Lazy loading of frame data Optimized memory management Progressive rendering Improved error handling Takeaways for Your Dev Journey If you're a solo developer or thinking about starting your coding vlog, remember: Test with real-world scenarios Don't trust small-scale success Have contingency plans Be ready to pivot quickly Document everything (it makes great content!) In Conclusion Building in public as a solo developer means sharing both successes and failures. This experience, while challenging, provided valuable insights into development, testing, and the importance of real-world validation. It's these moments that make the solo startup journey both terrifying and exciting. Remember: Your first version doesn't need to be perfect, but it needs to be usable. Sometimes the best way to learn that is by trying to use it yourself—even when it's not quite ready. #devlog #appdevelopment #solopreneur