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.
App Overview
SAT Prep 2026 | Smartschool
SAT Prep 2026: Boost your SAT score with the #1 SAT prep app
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
1,315 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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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.
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
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for SAT Prep 2026 | Smartschool: map the core Education 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
Competitive pricing with generous free tier
Assumption to check: Expensive subscription
Validate with people who use this workflow before building.
Hypothesis 2
Focus on most-requested features first
Assumption to check: Missing features
Validate with people who use this workflow before building.
Hypothesis 3
Optimize for 60fps, fast load times
Assumption to check: Poor performance
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
SAT Prep 2026: Boost your SAT score with the #1 SAT prep app. Perfectly aligned with College Board's Bluebook format, Smartschool provides personalized SAT practice, 50 full-length practice tests, targeted review, and expert instruction to help you achieve your dream score. Why Students Love Smartschool: • Personalized SAT Prep Plans: Tailored to your strengths and weaknesses, ensuring maximum score improvement. • AI-Powered Tutor: Meet Mark and Ivy, your 24/7 personal AI tutors, ready to help anytime, anywhere. • Bluebook-Compatible Questions: Practice over 5000 SAT questions reflecting the official College Board Bluebook test format, covering all 42 math and 28 reading & writing question types. • 50 Full-Length SAT Practice Tests: With 50 full-length, digital, adaptive tests, you'll get practice that mirrors test-day pacing, module jumps, and scoring. • Progress Dashboard: Track your performance by domain and subdomain, with a clear path from where you are to where you want to be. • Proven Results: Students who complete their learning plan see an average increase of 200+ points within 6 weeks. Smartschool Features: • Question Bank: 50 full-length practice tests and access to 5000+ SAT questions. • Comprehensive Study Sessions: Learn SAT Math, Reading, and Writing with clear explanations modeled after top SAT tutors. • Instant Help: Get step-by-step solutions and detailed explanations from the AI tutor whenever you’re stuck. • Adaptive Learning: Smart tracking ensures your study plan continuously adapts to your progress and learning style. Accessible SAT Prep for Every Student: SAT Prep 2026 democratizes high-quality education, offering private-tutor-level instruction directly through your device. Prepare effectively and confidently for the SAT, overcoming geographical and socio-economic limitations. Download SAT Prep 2026 now and start your SAT preparation with the best Bluebook-compatible practice available! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Questions or feedback? Contact us at [email protected] *SAT is a registered trademark of the College Board, which is not affiliated with Smartschool.
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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
Supabase
RevenueCat
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.
