New update for HiddenFace is almost done, and this one will be fun 🎉. I’m adding custom masks 🎭 and an editor, so now you can create your own masks and use them to cover whatever you want ✨.

I'm always testing different agent harnesses, but I can't afford paying all the models and services. For some weeks I tested codex but had to be honest with myself: I get more work done with claude. Still there's one codex feature I really needed: automations. So I built it!

New Undolly 4.1 shipped with some fixes and a new option to do analysis in data ranges. Want to review similar photos just from last year? Now it's possible. Clean WhatsApp photos from that crazy weekend? Possible. I love building based on users' feedback/ideas.

Last call on the Undolly 4 launch discount. The lifetime unlock goes back to full price today. A cleaner phone, and a better way back through your photos. All on-device, like always. apps.apple.com/app/id67392...

Undolly 4 is out. From finding similar photos a full and personalized experience to clean your device. Now it can go through anything, one swipe at a time. Screenshots, big videos, a whole day, a whole month. Try it free! apps.apple.com/app/id67392...

Undolly 4 is out today after months of work. It's the biggest release and takes Undolly from an app to clean similars to something you'll use every day to clean and connect with your memories. apps.apple.com/app/id67392...

HiddenFace 2 is out 🎭 Blur faces in photos and video before you post. Fully on-device, your photos never leave your iPhone. Perfect for sharing pics with kids, friends, or strangers in the background (without getting them indexed). apps.apple.com/app/id67560...

Agents changing iOS code is not the hard part anymore. The hard part is giving them a reliable way to open the app, inspect the UI, tap, wait, capture logs/screenshots/video/crashes, and hand back a report you can review. That is why I built MAV. blog.bitomule.com/posts/intro...

Yesterday I shared mav. I have been thinking a lot about validation: making sure changes satisfy a given rule like tests passing.I tried everything but it still required manual intervention from me. That did not scale.

AI coding agents don’t fail because they write bad code. They fail because they can ship “good enough” before you’ve done the thinking that would make you better. I wrote about why learning to program still matters, even when an agent can do it for you: blog.bitomule.com/posts/learn...

Tiny UX detail, big user impact: Boxy now makes Family Sharing clearer before checkout. If you’re organizing a move with someone else, the last thing you need is subscription confusion on top of cardboard chaos 📦

AI coding agents don’t write bad code. They write good-enough code before you’ve done the thinking that makes you better. I wrote about why learning to program still matters: blog.bitomule.com/posts/learn...

Lately I am thinking a lot, and talking with many people, about how LLMs changed software engineering. My current take: code is no longer the bottleneck. Validation is. Trying to revive my blog for the 13421498th time to think in public: blog.bitomule.com/posts/code-...

Duplicate photo cleanup sounds simple until you hit the messy parts: zoomed screenshots, tiny gestures, edge cases everywhere. I'm tightening Undolly so deleting clutter feels calmer.

Undolly is getting much better at surviving messy real-world photo libraries. Long scans now keep moving, recover better, and show progress in real time, so cleaning duplicates feels less like a gamble and more like a quick win ✨

I won’t be able to publish Code & Promps tomorrow as I’m enjoining some days off. Do not worry I’ll post it on Monday and meanwhile last one is still here open.substack.com/pub/codeand...

I see a lot of people trying to make Xcode faster or moving to Tuist. Oh lord, the day you discover Bazel. I use it in every project, even in small personal ones. Far more agent-friendly, easy, and fast.

Just added 4 new smart suggestions to Undolly 🔍 Now it automatically finds your old WhatsApp media, RAW photos, and slo-mo videos that eat up storage. The app keeps learning which duplicates annoy users most.

Added tap-to-edit bulk mode to HiddenFace. Select 20 photos → tap faces you want to blur → done. Simple as it should be. 📸

Added a 3-day free trial to Undolly. Figured people need time to actually see their storage freed up before committing. Sometimes the best conversion optimization is just... being reasonable 🤷‍♂️

Bulk face detection for HiddenFace 2.0 🎭 Same person in 50 photos? Tap once, AI finds them everywhere and blurs all at once. 50 taps → 1 tap ⚡️ Beta soon. #IndieApps #iOSDev #BuildInPublic

Working on HiddenFace 2.0 New: Quick photo mode 1. Snap a pic 2. Faces auto-blur 3. Share or delete (never touches your gallery) Perfect for those 'I need this blurred NOW' moments 📸

Killed Fastlane across all 5 apps this week. Moved everything to ASC CLI (open-source App Store Connect tool). What changed? Now my AI agents can do much more! Fastlane automated builds. ASC CLI opens the entire store. 🚪 #BuildInPublic #IndieApps #iOSDev

Spent the day rethinking HiddenFace's first impression. Out: generic welcome screen. In: Bento Grid layout. More features are coming.

Redesigning App Store screenshots for three apps this week. You're not just building features; you're also your own marketing team, and I’m terrible at it. Using Koubou and Claude makes it far easier.

"Generate App Store screenshots for my app" → Claude + Koubou: • Derives your brand colors • Creates 5 slides (hero → features) • Exports pixel-perfect PNGs • Handles 10+ languages 20 minutes vs 2 days in Figma. Open source, MIT license. github.com/bitomule/ko...

Proper live mode coming to Koubou. Just run `kou live` and it will open a web dashboard that will auto-update each time you or your favorite agent changes anything. Feels like magic. Next, I would like to build templates to make agents work easier. github.com/bitomule/Ko...

Koubou v0.15.0 is out 🎉 Two big features: ✅ HTML/CSS templates (alongside YAML) ✅ Claude Code skill for AI-assisted screenshot generation Generate professional App Store screenshots in 20 minutes instead of 2 days. brew install koubou github.com/bitomule/ko...

Improving Koubou's skill so generated screenshots get better. Looking good so far! github.com/bitomule/Ko...

Koubou v0.15.0: HTML rendering + AI skill for App Store screenshots What changed: • Design with HTML/CSS (not just YAML) • AI skill built-in brew install koubou Now with AI superpowers. github.com/bitomule/ko...

🧵 Koubou v0.15.0 just dropped Two features that change everything for AI-assisted App Store screenshot generation. Let me show you 👇

Three iterations on face scanning today. Each one makes it smarter, more robust. The journey from "it detects faces" to "it actually works with real videos" is... humbling 😅 #iOsDev #BuildingInPublic

Building face detection for video: What I thought: "just use an ML model" Reality: - Frame prefetching - Geometry-based keyframe detection - Multi-anchor identity tracking - Velocity extrapolation - Embeddings, ML…

I have been working on HiddenFace V2: Multi-anchor pipeline for face video tracking. Can't share much yet, but let's just say face detection is about to get a lot more interesting... 👀 #AI #Privacy

Sometimes you just need to build the tool yourself. Working on Nagare3D: a simple web app to manage 3D print requests for my Bambu Lab A1. Early stages, but it's already saving me time. Might share the code soon if there's interest.

New weekly newsletter published. This week, everything revolves around "Harness Engineering." I strongly believe this defines the future far better than "Vibe Coder." codeandprompts.substack.com/p/code-and-... Subscribe free and get it in your inbox every week.

New Koubou release 0.12.0 now with highlight and zoom callout support github.com/bitomule/Ko...

Improving Undolly Home: Which one do you prefer? Ignore the text with the poor Spanish translation 😂 I like the idea of guiding users to the most impactful thing and showing space first but WDYT?

While the world goes nuts in every possible way, I keep working on the next Boxy update. My oldest app but still growing. Liquid glass refinements, print full inventory, import lists, local AI description suggestions... It will be a good release.

What a crazy week in the AI world... as usual. That's why I'm trying to keep up with my Code & Prompts free Substack. It's an exercise for me to review what's important and share it publicly in case someone else finds it interesting: codeandprompts.substack.com/

Yesterday in my newsletter codeandprompts.substack.com, I shared the news about Claude Code's new Tasks and explained that I had to test it more to see how it works.

AI development is fast-paced. To keep up, I've launched a Substack newsletter that curates the essentials every Sunday: ✅ Must-see repos ✅ Effective tools ✅ Valuable tutorials Week 0 is live 👇 codeandprompts.substack.com/p/week-0-we...

Si te han regalado un iPhone/iPad en estos Reyes y necesitas liberar espacio, prueba Undolly gratis para limpiar fotos similares, videos, fotos de WhatsApp, capturas de pantalla... Antes de que te des cuenta, habrás liberado esos GB que te faltaban. undolly.app/

New Numly update is going big. If you love using analog paper, do bullet journal or any type of analog journal you are going to love it.

I think I'm in love with this animation in the new Numly version. What do you think?

What a crazy week. I released 2 new apps, 3 websites, and I'm still not done. I still have more to share, probably open-source stuff. All of this while I have gotten swollen by Magic Commander 😂

Not done yet! The latest update, Undolly 3, now cleans similar images, large videos, WhatsApp images, and screenshots with a unique twist. It's a free update for current users, maintaining the same price and family sharing. apps.apple.com/us/app/undo...

Ready for another project before year's end? Introducing HiddenFace! This sleek app ensures your privacy on social media by harnessing AI to blur faces and erase metadata from photos. Check it out: hiddenface.app/

Three new projects are on the way before the end of the year. First up: Koubou, a Python-based tool to generate app store screenshots from a YAML file. Check it out at github.com/bitomule/Ko...

Undolly 3 is coming as a free update, evolving from just cleaning similar photos to helping recover more space. Thoughts on the new home UI? (Placeholders will show category images)