App Overview

Dry Fire Timer icon

Dry Fire Timer

Konstantin Kurilo · Sports

The dry fire timer other apps wish they were.

$8.99 · In-app purchases

PRICE
$8.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.4
7 ratings · Top 30%

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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Combine features and design from your favorite apps.

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What's included17 files

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

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
Preview a sample Build Kit No email needed

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 Dry Fire Timer: map the core Sports 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

Allow users to create custom drills with more options and features.

Assumption to check: Limited customizability of drills

Validate with people who use this workflow before building.

Hypothesis 2

Introduce social sharing features to connect users and share progress.

Assumption to check: Lack of social features

Validate with people who use this workflow before building.

Hypothesis 3

Provide performance analytics to track improvement over time.

Assumption to check: No analytics on performance

Validate with people who use this workflow before building.

Hypothesis 4

Implement multi-user support for coaches or teams.

Assumption to check: Single-user focus

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

The dry fire timer other apps wish they were. Dry Fire Timer is the only dry fire trainer with standalone Apple Watch, pause & resume, fully customizable sounds, and drill sharing — features you won't find anywhere else. 23 built-in competition drills. Progress charts. One-time purchase. APPLE WATCH — STANDALONE Run drills from your wrist without your phone. Browse by category, start with one tap, feel haptic signals — Stand By tap, Go buzz, Par Time pulse. Logs sync back to iPhone automatically. PAUSE & RESUME MID-DRILL Paused on rep 23 of 50? Resume from rep 24. Your session isn't lost because life interrupted. CUSTOMIZABLE SOUNDS 4 presets — Default, Tactical, Soft, Classic — or build your own. Assign a different tone to each of the 5 signals from 8 tone types. Preview before you train. EXPORT & IMPORT DRILLS Share your entire training program. Export drills as JSON, send to your squad via AirDrop or text. They import and run your exact drills with your exact par times. TRAINING LOG & PROGRESS CHARTS Every session logged with time, par times, notes, and target photos. Charts track your improvement over weeks. Export logs as CSV with photos for your coach. DRILL LIBRARY 23 built-in competition drills — Core, Match, and all 8 Steel Challenge stages. Build unlimited custom drills with multiple strings and individual par times per string. PAR SHIFT One tap shifts every par time across all strings by 1/100s. Tiny increments that compound into real speed. Perfect for Steve Anderson's "Refinement and Repetition." PRECISION TIMER Hardware-scheduled beeps — millisecond accuracy. Random or fixed start delay. Visual flash signals work with ear pro. AirPods and Bluetooth speaker support. No subscriptions. No ads. No account. Works offline. On the App Store since 2013.

Written user reviews are not shown here. Check current App Store reviews >

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
Supabase
Zustand
React Navigation
React Native Reanimated
BUILD KIT DIFFICULTY
Starter

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.