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MyTimers.app

Offline-first PWA timer app for workouts and series training

Mobile app Fitness & sport Show HN · launch post · ▲ 48

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mytimers.app

What it does

MyTimers.app is a progressive web app that functions as a timer for workouts and interval training. It lets users set up multiple series with configurable work and rest periods, addressing limitations in the default timer apps on Android and iOS. The app works offline-first, meaning it operates without an internet connection once loaded.

Who it is for

The app targets people doing interval or circuit training who need more control than standard device timers offer. Fitness enthusiasts running workout routines with multiple rounds and rest periods between them are the primary audience.

Pricing

The site does not show prices.

How it stands out

MyTimers is built as an offline-first PWA rather than a native app. This means users can add it to their home screen without downloading from an app store, and it functions without internet access. The focus on interval training configuration distinguishes it from general-purpose timer apps. The creator built it out of personal frustration with existing options, which typically lack straightforward controls for setting up series with alternating work and rest intervals.

What a founder should check

First, examine whether users actually feel friction with existing solutions. The default iOS and Android timers do allow multiple configurations, and third-party timer apps already exist—some with substantial user bases. A founder should verify whether the pain point is widespread enough to sustain a business or if it affects only niche users.

Second, assess the switching cost and platform dependency. PWAs install easily but sit alongside native apps in users' minds. Founders should test whether people genuinely prefer a web-based timer to native alternatives, especially since workout apps often run in the background or integrate with fitness wearables and health platforms—areas where PWAs face technical limitations compared to native code.

Third, evaluate the competitive moat. Established fitness apps, smartwatch manufacturers, and even phone makers control timer functionality. The free tier of many fitness platforms already includes interval timer features. A founder needs to clarify what defensible advantage this app possesses beyond ease of access and offline capability—whether that's superior UX, a specific feature set, or network effects. Without clear differentiation, the product risks being copied or bundled into larger platforms.

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