App Overview

SeqTimer icon

SeqTimer

Tansfom LLC · Health & Fitness

SeqTimer turns any multi-step routine into a hands-free timed sequence

$1.99 · In-app purchases

PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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Build Kit

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A product spec, screen plans, and build steps for your coding agent.

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What's included16 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Free quick prompt For a smaller starting point

Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for SeqTimer: map the core Health & Fitness workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Add haptic feedback and sound notifications to enhance usability.

Assumption to check: Lack of user feedback during timers can lead to confusion.

Validate with people who use this workflow before building.

Hypothesis 2

Implement detailed workout logs and analytics.

Assumption to check: Limited workout history tracking.

Validate with people who use this workflow before building.

Hypothesis 3

Incorporate social challenges and sharing options to engage users.

Assumption to check: No social sharing features.

Validate with people who use this workflow before building.

Hypothesis 4

Simplify onboarding with guided setup for new users.

Assumption to check: Initial setup can be cumbersome for new users.

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

SeqTimer turns any multi-step routine into a hands-free timed sequence. Build activities from named steps — each with its own duration, color, and sound cue — organized into groups that can repeat any number of times. That structure fits real routines: HIIT circuits, Pomodoro study blocks, physical therapy sets, multi-stage recipes, or presentation rehearsals. NEW: Share Your Activities Send any activity to a friend, training partner, or client via Messages, Mail, or AirDrop. They tap to preview the whole sequence — every step, its duration, and the total time — then add it to their own activities in one tap. No account, no sign-up, no link to manage: the activity travels as a file. Hands-Free by Design SeqTimer speaks the name of each upcoming step out loud, timed to finish right before the countdown beeps, so you always know what's next without looking at your screen. A 5-4-3-2-1 audio countdown precedes every transition, a distinct sound marks each step change, and the current step and countdown stay visible in the Dynamic Island and on the Lock Screen via Live Activities — phone locked or in your pocket. Built for Real Routines • Named, color-coded steps grouped into repeatable blocks • Share and import activities via Messages, Mail, or AirDrop • Voice announcements ahead of every countdown, on or off in Settings • 5-4-3-2-1 audio countdown plus per-step transition sounds • Live Activity and Dynamic Island support • The whole screen shifts to the current step's color • Pause, resume, and skip in either direction mid-session • Home screen widget for one-tap starts No Subscription, No Tracking SeqTimer is a one-time purchase — no subscription, no account, no in-app purchases, and no data collection. Everything stays on your device. Built by Tansfom LLC in California.

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Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

SUGGESTED BUILD STACK
React Native
Expo
Zustand
Axios
React Navigation
Expo Notifications
BUILD KIT DIFFICULTY
Intermediate

From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.