# Case studies: apps and SaaS built by ODEL

> Products ODEL designed, built and runs. ODEL builds apps and software for founders and companies too: https://www.odel.dev/services.md

- [Appalize: an ASO SaaS for app teams, designed, built and run by ODEL](https://www.odel.dev/work/appalize.md): Appalize. How ODEL built Appalize, a web platform for App Store Optimization: keyword research, competitor tracking, a metadata editor, Apple Ads workflows, REST API and MCP access.
- [ChairBook: an appointment app for independent stylists, built and run by ODEL](https://www.odel.dev/work/chairbook.md): ChairBook. How ODEL built ChairBook, an iPhone appointment calendar for independent hairdressers, barbers and beauty pros: day and week views, client records, shared reminders and subscriptions.
- [BidCraft: an estimate and invoice app for contractors, built and run by ODEL](https://www.odel.dev/work/bidcraft.md): BidCraft. How ODEL built BidCraft, an iPhone app for contractors to create job estimates from rooms, labor and materials, turn them into invoices, and share PDFs and CSV exports, offline.
- [DishBook: a recipe keeper and AI meal planner for iPhone and Android, built and run by ODEL](https://www.odel.dev/work/dishbook.md): DishBook. How ODEL built DishBook, a recipe keeper and meal planner with AI recipe ideas, voice commands, pantry and nutrition tools, on iPhone and Android with a Supabase and Node.js backend.
- [Unvay: a quit smoking and vaping app with on-device data, built and run by ODEL](https://www.odel.dev/work/vapeless.md): Unvay. How ODEL built Unvay, a quit smoking and vaping app for iPhone and Android with a personal quit plan, craving tools, logging and widgets, with no account and data kept on the device.
- [Focus Timer: a Pomodoro study and work timer for iPhone, built and run by ODEL](https://www.odel.dev/work/focustimer.md): Focus Timer. How ODEL built Focus Timer, a Pomodoro timer for iPhone with Flow mode, tasks, ambient sounds, widgets and Siri shortcuts, using Capacitor, React and a custom native plugin.
- [DREA: a bedtime audio story app for families, built and run by ODEL](https://www.odel.dev/work/drea.md): DREA. How ODEL built DREA, an iPhone app with narrated bedtime audio stories, child and pet profiles and bedtime reminders, with a Capacitor client and a Node.js story service.
- [Appalize Shots: a store screenshot designer that runs on the phone, built by ODEL](https://www.odel.dev/work/appalize-shots.md): Appalize Shots. How ODEL built Appalize Shots, a mobile app for designing App Store and Google Play screenshots on the device, with six layouts, multi-screen editing and PNG or ZIP export, and no account.