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.
Singapore MRT Map Route is designed to allows user to get the best route within a second.
$1.99 · 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.
First kit free with a verified email
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 Singapore MRT Map Route(Pro): map the core Navigation 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 offline functionality
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Search can be slow
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Inconsistent updates of map data
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Difficulty in saving favorite routes
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.
Singapore MRT Map Route is designed to allows user to get the best route within a second. - View the lastest subway map - Caculate the best route between two stations - Display estimated travel time Updated to latest subway system: North-South Line (NSL) Jurong East, Bukit Batok, Bukit Gombak, Choa Chu Kang, Yew Tee, Kranji, Marsiling, Woodlands, Admiralty, Sembawang, Canberra, Yishun, Khatib, Yio Chu Kang, Ang Mo Kio, Bishan, Braddell, Toa Payoh, Novena, Newton, Orchard, Somerset, Dhoby Ghaut, City Hall, Raffles Place, Marina Bay, Marina South Pier East-West Line (EWL) Tuas Link, Tuas West Road, Tuas Crescent, Gul Circle, Joo Koon, Pioneer, Boon Lay, Lakeside, Chinese Garden, Jurong East, Clementi, Dover, Buona Vista, Commonwealth, Queenstown, Redhill, Tiong Bahru, Outram Park, Tanjong Pagar, Raffles Place, City Hall, Bugis, Lavender, Kallang, Aljunied, Paya Lebar, Eunos, Kembangan, Bedok, Tanah Merah, Simei, Tampines, Pasir Ris (Changi Airport Branch from Tanah Merah) Expo, Changi Airport North East Line (NEL) HarbourFront, Outram Park, Chinatown, Clarke Quay, Dhoby Ghaut, Little India, Farrer Park, Boon Keng, Potong Pasir, Woodleigh, Serangoon, Kovan, Hougang, Buangkok, Sengkang, Punggol Circle Line (CCL) Dhoby Ghaut, Bras Basah, Esplanade, Promenade, Nicoll Highway, Stadium, Mountbatten, Dakota, Paya Lebar, MacPherson, Tai Seng, Bartley, Serangoon, Lorong Chuan, Bishan, Marymount, Caldecott, Botanic Gardens, Farrer Road, Holland Village, Buona Vista, one-north, Kent Ridge, Haw Par Villa, Pasir Panjang, Labrador Park, Telok Blangah, HarbourFront (Marina Bay Branch from Promenade) Bayfront, Marina Bay Downtown Line (DTL) Bukit Panjang, Cashew, Hillview, Beauty World, King Albert Park, Sixth Avenue, Tan Kah Kee, Botanic Gardens, Stevens, Newton, Little India, Rochor, Bugis, Promenade, Bayfront, Downtown, Telok Ayer, Chinatown, Fort Canning, Bencoolen, Jalan Besar, Bendemeer, Geylang Bahru, Mattar, MacPherson, Ubi, Kaki Bukit, Bedok North, Bedok Reservoir, Tampines West, Tampines, Tampines East, Upper Changi, Expo Thomson-East Coast Line (TEL) Woodlands North, Woodlands, Woodlands South, Springleaf, Lentor, Mayflower, Bright Hill, Upper Thomson, Caldecott, Stevens, Napier, Orchard Boulevard, Orchard, Great World, Havelock, Outram Park, Maxwell, Shenton Way, Marina Bay, Marina South, Gardens by the Bay 南北线 (North-South Line) 裕廊东, 武吉巴督, 武吉甘柏, 蔡厝港, 油池, 克兰芝, 马西岭, 兀兰, 海军部, 三巴旺, 坎贝拉, 义顺, 卡迪, 杨厝港, 宏茂桥, 碧山, 布莱德, 大巴窑, 诺维娜, 纽顿, 乌节, 索美塞, 多美歌, 政府大厦, 莱佛士坊, 滨海湾, 滨海南码头 东西线 (East-West Line) 大士连路, 大士西路, 大士弯, 卡尔圈, 裕群, 先驱, 文礼, 湖畔, 裕华园, 裕廊东, 金文泰, 杜佛, 波那维斯达, 联邦, 女皇镇, 红山, 中峇鲁, 欧南园, 丹戎巴葛, 莱佛士坊, 政府大厦, 武吉士, 劳明达, 加冷, 阿裕尼, 巴耶利峇, 友诺士, 景万岸, 勿洛, 丹那美拉, 四美, 淡滨尼, 巴西立 (樟宜机场支线,从丹那美拉分出) 博览, 樟宜机场 东北线 (North East Line) 港湾, 欧南园, 牛车水, 克拉码头, 多美歌, 小印度, 花拉公园, 文庆, 波东巴西, 兀里, 实龙岗, 高文, 后港, 万国, 盛港, 榜鹅 环线 (Circle Line) 多美歌, 百胜, 滨海中心, 宝门廊, 尼诰大道, 体育场, 蒙巴登, 达科达, 巴耶利峇, 麦波申, 大成, 巴特礼, 实龙岗, 罗弄泉, 碧山, 玛丽蒙, 加利谷, 植物园, 花拉路, 荷兰村, 波那维斯达, 纬壹, 肯特岗, 虎豹别墅, 巴西班让, 拉柏多公园, 直落布兰雅, 港湾 (滨海湾支线,从宝门廊分出) 海湾舫, 滨海湾 滨海市区线 (Downtown Line) 武吉班让, 凯秀, 山景, 美世界, 阿尔柏王园, 第六道, 陈嘉庚, 史蒂芬, 纽顿, 小印度, 梧槽, 武吉士, 宝门廊, 海湾舫, 市中心, 直落亚逸, 牛车水, 福康宁, 明古连, 惹兰勿刹, 明地迷亚, 芽笼峇鲁, 玛达, 麦波申, 乌美, 加基武吉, 勿洛北, 勿洛蓄水池, 淡滨尼西, 淡滨尼, 淡滨尼东, 樟宜上段, 博览 汤申-东海岸线 (Thomson-East Coast Line) 兀兰北, 兀兰, 兀兰南, 春叶, 伦多, 美华, 光明山, 汤申上段, 加利谷, 史蒂芬, 纳比雅, 乌节林荫道, 乌节, 大世界, 合乐, 欧南园, 麦士威, 珊顿道, 滨海湾, 滨海南, 滨海湾花园
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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.