NutriSnap: a calorie tracker that scans meals with offline AI
NutriSnap estimates calories and macros from a photo of your meal using on-device AI, with no account, no uploads and no internet needed to scan.
Oct 23, 2026
Charles Hartmann · Schenectady, NYNetworks by day.
Networks by day.
Apps by night.
I’m a Senior Network Systems Technician. After hours I build Android apps as Hartmann Studios and run Homelab the Right Way: a daily blog, ebooks, YouTube videos and a weekly podcast.
- 42 apps on Google Play
- 9 more coming soon
- 18 ebooks
- Weekly podcast
Hartmann Studios
All 51 appsAndroid apps I build
Gizmo Gunners: Robot Shooter
Voiced story, heroes with powers, AI squad mates. A bright 3D robot shooter.
LiveCaptionN – Live Captions
Free live captions and translation that float over any app, video or call. Offline on the phone, or on your own Whisper server.
Shape & Shade: Face Shape
Find your face shape and your best colors in seconds. Nothing is uploaded.
Pawdub: Funny Pet Translator
Your pet gets funny movie subtitles in 59 languages. Real bark & meow detection.
OctoPulse: OctoPrint Companion
Control your OctoPrint 3D printer from your phone. Monitor & print on Wi-Fi.
Ollama AI Chat
Ollama AI chat client — remote server or fully offline on-device models.
Daycare Dons: Diaper Empire
Toy water pistols, nap-time capers and a daycare underground. Rise to BABY BOSS!
Coming soonWebsite
Wild Lens: Jungle Rescue
Photograph jungle wildlife, expose a poacher ring and free animals with Pip.
Coming soonWebsite
Homelab the Right Way
More postsLatest from the blog
Oct 23, 2026
Free 3D-printed HC-SR501 PIR sensor case with a rim clip (STL download)
A free 3D-printed case for the HC-SR501 PIR motion sensor with a snap-on lid and a sawtooth clip that grips a 9.7 to 11.5 mm tank…
Oct 23, 2026
Your homelab has no idea it's down: Uptime Kuma checks that catch real outages
A ping says the guest is alive, not that the app works. Here is how to set up Uptime Kuma 2 with keyword monitors, sane retries,…
Podcast
All episodesHomelab the Right Way Podcast
Three AI hosts (fictional, AI-generated voices) talk backups that restore, home networking, Home Assistant and self-hosting. New episodes on Sundays.
YouTube
More videosLatest videos
Short · Oct 24, 2026
Raise your laptop 6 inches: the BESIGN LS03 aluminum stand
Short · Oct 23, 2026
See what the dog is up to: the Tapo C100 1080p indoor camera
Charles Hartmann Tech Services
Not your average IT
Remote Monitoring and Management
Web Development
Mobile Device Management
I’m available for freelance work. More about me
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