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.
First in the industry!
$0.99 · In-app purchases
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.
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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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Golf Swing Check - Slow Movie: 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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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
Assumption to check: Limited video editing features
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No cloud storage for videos
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of community features
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Basic UI/UX
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
First in the industry! Best Swing, which has been patronized for a long time, was reborn in the spring of 2021. A new sensation golf improvement app that integrates swing shooting and metronome It is very famous that "rhythm tempo" is as important as improving swing to improve golf. Best Swing TEMPO makes it possible to find the swing tempo that suits you by superimposing the metronome on the conventional function. Additional functions -General metronome function *Additional features require payment, but since we have reduced the original APP price by half, the additional features are essentially free. First in the golf app industry! ~Why is rhythm and tempo important? ~ Keeping the rhythm and tempo of the swing constant will improve the reproducibility of the swing and reduce the incidence of mistakes. On the other hand, if the rhythm and tempo break, no matter how good the swing is, the trajectory of the club and the bending of the shaft will change the timing of impact and the direction of the face, leading to missed shots. -What is rhythm tempo? Rhythm = time signature (2, 3, 4 time signature, etc.) Regarding the rhythm, there is no correct answer, but if it is in triple time. 1 is the address (forward press) 2 is from backswing to top 3 impacts from downswing Tempo = speed (count number per minute) If the speed is 60 counts per minute (1 count per second), it will be "60 BPM". BPM (Beats Per Minute) -Recommended usage (in the case of 3 beats) [1]Normal recording [2]Tap the metronome icon during playback (nice shot) While advancing frame by frame in the paused state (1)Tap start (green) when starting the ing (2)Tap top (yellow) by turning the top (3)Tap finish (red) at the finish [3]Two tempo values are displayed (Same BPM if the rhythm is the same) [4]If you know the tempo, start the metronome (set the value of [3]) and swing recording according to that tempo. [5]Swing check [6]Practice so that you can always swing at the same tempo (In general, the ideal tempo is the same for all drivers, irons, and butters.) ~Main functions~ 1.Swing tempo measurement with metronome 2.Slow playback by jog shuttle *When rotating, it vibrates in units of one frame, so you can feel the slow motion. *1 will be available after billing. 3.Independent lock function (with camera zoom function) ・ Focus lock (AF) ・ Exposure lock (AE) 4.Line drawing You can freely manipulate the swing plane, shaft plane, and the circle at the head position! - The line can be rotated 360 degrees (two fingers) - The length of the line can be adjusted freely (two fingers) - Lines and circles can be moved (The size of the circle can be changed with two fingers) 5.Recording start self-timer It is possible to sound the alarm from 3 seconds before the start of recording *A large countdown is displayed even when the alarm is off. 6.Video comparison (1 & 2 screen) In the one-screen overlap mode, you can freely change the position of the superimposed video and the size of the image, so it is possible to match the size of two people exactly. *If you lay the iPhone sideways, it will switch to 2 screens. 7.Swing image output (25 consecutive photos) Freely set the output start position and end position with the playback slider * You can convert the video to JPG → edit it. 8.Folder function By dividing into folders according to the type of club, etc. You can quickly find the swing video you want to watch. *Professional swing recording You can download multiple professional videos. In collaboration with JOYX Co., Ltd. Professional golfer Richard Tate Cooperated with the shooting. -Richard Tate (Affiliation: Chubu Co., Ltd.) https://www.danketurf.com Born June 20, 1972 Height 178 cm, weight 78 kg. His father is Australian and his mother is Japanese. He was born in Hong Kong, grew up in Yokohama from 4 to 10 years old, and then went to Australia.
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.