App Overview

Video Delay Instant Replay Pro icon

Video Delay Instant Replay Pro

michal bojanowicz · Sports

THE BEST VIDEO REPLAY APP!

$39.99 · In-app purchases

PRICE
$39.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.7
225 ratings · Top 15%

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/
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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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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 Video Delay Instant Replay Pro: 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

Offer a more affordable subscription model.

Assumption to check: High price point for users

Validate with people who use this workflow before building.

Hypothesis 2

Integrate more social sharing features.

Assumption to check: Limited sharing options

Validate with people who use this workflow before building.

Hypothesis 3

Implement a more contemporary design.

Assumption to check: User interface is not very modern

Validate with people who use this workflow before building.

Hypothesis 4

Add basic video editing tools.

Assumption to check: Lack of editing features

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 BEST VIDEO REPLAY APP! - Number 1 in the Sports iPad Category!!! - Trusted by the US major league baseball and basketball teams. - Perfect for golf players. Are you frustrated by making the same mistakes and wasting time on your practice? Video Delay Instant Replay is a fantastic way for athletes to receive instant feedback on their performance. Analyze your form, build good muscle memory, and get faster results. Make every practice satisfying and effective! There are three main features: the DELAY, the SLO-MO, and the REPLAY. The DELAY Mode continuously shows the delayed video during practice. After setting the buffer time, there's no need to record and replay manually. The video feedback will be on until you reset the buffer or hit the exit button. The SLO-MO Mode captures a short video and instantly replays it in slow motion. It works best for quick activities, like punch or shoot. To adjust the speed rate, use the slider. The recording will get you short slow-motion videos of every repetition. The REPLAY View* allows frame-by-frame analysis of athlete moves, including measuring the angles. You can also export a short part of the replay video using AB selection. * It works only with Delay mode and a buffer time longer than 1 second. Improve your skills and get faster results: 1. Set the Buffer time. 2. Do your action. 3. Watch the video feedback. 4. Immediately correct your posture and repeat! Coaches and teachers! Use the app with an external screen for even better feedback during practice! Watch the Replay video with your team, analyze your players' performance, and correct errors. Add lines on the screen to check out the angles. Trim the video, so it only shows what you want your students to concentrate on. Record only necessary parts of the practice. Instant Feedback also helps to settle disputes between players. Basketball, baseball, and football players! Practice by repetition - improve your shooting form by copying your favorite players' moves. Make out the best of your hitting drill. Take a quick look at the footage, correct your posture, and return to the action. No need to rewind or touch the device; the video will play instantly. You will be able to see if your pose is good and if your fake moves are effective. Golf and tennis players! Use a motion-detection grid and correct your swing or backhand instantly! Perform proper movements and maintain good posture while exercising. Build better muscle memory and improve your game! Training martial arts, archery, or shooting? Study your form with delayed video feedback. Set a short delay time and analyze your moves in slow motion. See what to correct in your kicks or punches. Pilates or yoga fan? Check out poses you won’t see in the mirror, like dog or pigeon. Make sure you are true to form and protect yourself from injury. Actors and performers! Replay yourself performing and improve your acting skills. Check out your gestures in slow-motion and make them the best! For information on how to use the VDIR, please check out the User Guide in the app!

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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
React Navigation
expo-av
Zustand
Firebase
BUILD KIT DIFFICULTY
Advanced

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.