Index
B2C startup ideas
This shelf holds 47 startup ideas about B2C. Average Hotness is 3.26, on a 1 to 5 scale that mixes pain, willingness to pay, public-thread demand, the gap left by current tools, build effort, and how fresh the evidence is. Scores cool when no newer evidence is added. The strongest score here is 4.15 for Prescription Stock Finder for ADHD Meds: Find which nearby pharmacy actually has your stimulant prescription in stock, without calling ten stores. Also on this shelf: Dementia Conversation Cue Cards, Watch-Together Layer for Self-Hosted Media Servers, Earned Wage Access Fee Auditor, and Medical Bill Dispute for Services You Never Consented To. The most common way these products charge is Freemium (16 of 47). 0 are aimed at a business buyer and 47 at an individual. 18 look weekend-easy, 18 moderate, and 11 hard. Open a page for the complaint, the source link, and the gaps. The ideas are free to build. The agent prompt is the part that costs a credit.
Prescription Stock Finder for ADHD Meds
Find which nearby pharmacy actually has your stimulant prescription in stock, without calling ten stores.
Dementia Conversation Cue Cards
Record a calm answer once for each repeated question, and get the right script instantly on your phone or speaker.
Watch-Together Layer for Self-Hosted Media Servers
Synced watching that works on top of Plex, Jellyfin or Emby and doesn't depend on any one vendor.
Earned Wage Access Fee Auditor
Compare payslips with what EWA apps actually deposit and reveal the true effective fee.
Medical Bill Dispute for Services You Never Consented To
Ready legal wording, by state, to fight bills for ambulances and consults someone else ordered.
Time-Machine Version History for Obsidian
Git-powered snapshots with a visual diff and one-click restore, for users who don't know git.
Fraud Dispute Accelerator for Banks and Retailers
Generate disputes for the bank, credit bureaus and retailer at once, track legal deadlines and escalate to the CFPB.
Hospital Observation-Status Watchdog
Alert families the moment a parent is billed as 'observation' instead of 'inpatient', before Medicare coverage is lost.
Insurance Claim Concierge for Digital Nomads
Hand off your stuck travel-insurance claim; we assemble documents per insurer and escalate.
Lowball Offer Detector for Job Postings
A browser extension that saves the posted salary range when you apply and flags offers below it.
Shelf vs Register Price Mismatch Scanner
Snap the receipt and shelf tag; the app spots overcharges and helps file a consumer-protection complaint.
Tax Residency Risk Checker for Nomads
Check your real travel route and income structure against each country's rules before you're accidentally tax resident.
Early Warning for Romance and Money Scams Targeting Parents
Monitoring for adult children that flags unusual transfers and scam-pattern 'relationships' before the savings are gone.
Employment Data Exposure Checker
Like credit monitoring, but for which employment-verification databases hold your job records.
Verified Workspace Filter for Airbnb Stays
Find rentals with a real desk, ergonomic chair and tested Wi-Fi, verified by photos and nomad check-ins.
Decision Log for Family Caregiving
A shared record of care decisions and the reasons behind them, so relatives stop relitigating every choice.
Relocation Concierge for Intra-EU Moves
Country-specific checklists and appointment booking for EU citizens moving between EU states.
Calorie Tracker With a Weekly Rolling Average
Show your 7-day average by default, so one over-budget day isn't a 'fail'.
Fleet Manager for Elderly Parents' Smart Devices
One dashboard for every lock, camera, SOS button and sensor at your parents' place, with battery and health alerts.
Recovery Program for Long-Term Burnout Paralysis
A structured coaching program for people stuck for months or years after burnout, separate from procrastination coaching.
On-Demand Body Doubling to Start a Task
A panic button that connects you to a person or AI companion for 2-3 minutes, just to get started.
Active-Recall Quizzes From Recorded Lectures
Turn lecture and meeting recordings into retrieval-practice questions instead of transcripts you never reread.
Rent Charge Change Auditor for Tenants
Compare portal charges with your lease and get alerted to any unexplained change, up or down, right away.
Clothing Swap for In-Between Sizes While Losing Weight
Rent or swap everyday clothes for the 2-3 months you spend in each transitional size.
Real-Time Binge Craving Interceptor
Predict your binge-risk window from tracking history and step in with a 2-minute action at the moment it hits.
Weekly Envelope Budgeting App
Budget food and fun as weekly envelopes by default, so you don't blow the month in week one.
B1-to-B2 Plateau Breaker for Language Learners
Diagnose your specific recurring speaking errors and drill output, instead of another generic course.
Rent Smoothing Buffer
Set aside part of the rent each payday and have the full amount collected automatically by the due date.
Respite Matching for Spouse Caregivers
Respite and support groups built for spouses caring for a partner, not adult children caring for parents.
Alarm Clock With Real-Money Stakes
Put a small deposit on waking up; prove you're up or the money goes to a cause you hate.
Crisis Financial Checklist for When a Parent Gets Sick
A one-tap emergency plan and document vault that walks families through the first 72 hours of a hospitalization.
AI Video Diagnosis of Your Movement Pattern
Upload a clip of your lunge or split squat and get told which compensation your body makes, plus targeted fixes.
Secular Homeschool Community Directory
Find non-religious homeschool groups and events near you, especially where one type of group dominates.
Coliving Price Transparency Tracker
Historical coliving prices by city and room type, so you know if €900 for a shared room is normal or a rip-off.
Guided Living Will Before the Crisis
Plain-language questions that produce a legally valid advance directive, stored for instant emergency access.
Subscription Auditor for Forgetful Brains
A read-only bank connection that finds every recurring charge, explains it in plain English and cancels in one tap.
Procrastination-Cleaning Detector
Notice when you suddenly start cleaning or binge YouTube to dodge a task, and gently surface the task.
Real Outcomes Aggregator for Tutoring Platforms
Compare tutoring platforms by cost per CEFR level gained, from learners' self-reported progress.
Combined Load Planner for Lifting and Running
See strength and running load on the same muscles together, and know when to back off one.
Multi-Vault Navigator for Obsidian
Browse and search several Obsidian vaults in one window while keeping their sync and privacy separate.
Universal Recall Search for Everything You Saved
Semantic search across notes, bookmarks, screenshots and PDFs, built around 'what was I looking for?'.
Doomscroll Impulse Redirector
Instead of blocking apps, intercept the urge to scroll and swap it for a two-minute physical micro-action.
Habit Tracker That Forgives a Missed Day
A habit app built around getting back on track after a slip, not around streaks.
Focus Workspace Mode for the Obsidian File Explorer
A polished, supported 'show only my active notes' explorer, beyond the DIY plugin.
Resurfacing Engine for Forgotten Hub Notes
Spaced-repetition nudges that bring back the hub notes gaining the most new links.
Flexible Block Planner Instead of Time Blocking
Plan your day as reorderable blocks of work with no fixed start times, halfway between a to-do list and a calendar.
PDF Annotation Inside Obsidian
Read and highlight PDFs in Obsidian with two-way sync of highlights into your notes.
Questions
How many startup ideas are in B2C?
There are 47. The highest Hotness is 4.15 for Prescription Stock Finder for ADHD Meds.
Which idea should a founder open first?
Open Prescription Stock Finder for ADHD Meds if you want the strongest score on this shelf. If you want a shorter build, use the weekend-easy collection and come back to the ideas that match both.
What is free here?
Every idea page, the sources, and this index are free. An agent PRD costs one credit. The first credit comes with an email signup. Building any of these ideas is allowed.