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MyTimers.app offline-first PWA with no build step and zero dependencies

Details

External ID
45807502
Source
HN
Company
—
Product
MyTimers.app offline-first PWA with no build step and zero dependencies
Website domain
mytimers.app
Launched
Nov. 4, 2025
Cohort
—
Upvotes
48
Upvotes percentile
0.8318777292576419
Tags
—
Fetched at
Sept. 7, 2026, 9:25 p.m.
Updated at
Sept. 7, 2026, 9:25 p.m.

Description

Hello,For quite some time, I've been unsatisfied with the built-in timers on both Android and iOS; especially for workouts, when I needed to set up a configurable number of series with rest periods in between. That's when I started thinking about building something myself. It was just a timer and I said to myself "how hard could it be?", I had no idea.The first iteration of the project worked "just fine", but the UI was an eyesore (even more than it is now), and the UX was quite awful as well. As you can probably guess, I'm not versed in design or front-end development. In fact, my last real experience with front-end work was back when jQuery was still a thing.However, I knew what I wanted to build, and over the last few days (and with the help of the infamous AI) I was able to wrap up the project for my needs. It required quite a lot of "hand holding" and "back and forth", but it helped me smooth out the rough edges and provided great suggestions about the latest ES6 features.The project is, as the title states, an offline-first PWA with zero dependencies; no build step, no cookies, no links, no analytics, nothing other than timers. It uses `Web Components` (a really nice feature, in my opinion, though I still don't get why we can't easily inherit styles from the global scope) and `localStorage` to save timers between uses.I'd appreciate any comments or suggestions, since I just want to keep learning new things.https://mytimers.app/

Enrichment

Theme
focus timers and task planners
Vertical
Horizontal
Function
Dev tools
Audience
Developer
AI stance
Not AI
Project type
Hobby / open-source project
Normalized one-liner
offline-first timer app with no build dependencies
Manually corrected
False

Could you build this?

Yes Building an offline-first workout timer as a zero-dependency PWA using standard web APIs (Web Workers, Service Workers, localStorage) is well within the capabilities of AI-assisted coding.

Discussion

20 comments analyzed.

Competitors mentioned: Trackey (offline-first time tracking app), Ambiamara (iOS timer app), Bryan Hogan's timer app, Native app wrappers

Concerns raised: PWA service worker killed on mobile with screen off, Background API support lacking for notifications/alarms, Timer displays in minutes but sets in seconds (UX confusion), Icons not showing up in manifest.json, Lack of discoverability—users don't understand UI elements (pickers look like buttons)

Feature requests: Keyboard shortcuts (Spacebar to start/stop, N for Add Timer input), Background task API support for alarms and notifications, Native app wrapper to handle background timers on mobile

Competitors

Other products that read as similar to this one — 63 launches clear the similarity bar, closest 8 shown.

Attention rank: #8 of 64 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).

Looks like the first mover among its competitors.

Other launches for this product

Same idea, different domain

Nobody's really built a dev tools tool for Sales yet.