| What it does | Free inventory and profit tracker for resellers who source in person at car boots, charity shops and flea markets
| Free online timers, stopwatches, pomodoros and countdowns for focus, study and classrooms
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| Stage | Startup
| Startup
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| Founded | 2026
| 2024
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| Based in | GB
| IN
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| Pricing model | Free
| Free
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| Pricing | Completely free to download and use. No subscription, no in-app purchases, no ads, no account required. FlipperHelper Pro (web portal, eBay sync, multi-device sync) is in development but pricing has not been finalised.
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| Key features | - Track items across 16 selling platforms including eBay, Vinted, Facebook Marketplace, Depop, Poshmark and Mercari
- Offline-first functionality with full feature access at markets with no signal
- Automatic profit calculation after all fees and expenses
- Multi-currency support with daily exchange rates
- Photo capture for up to 10 images per item
- One-tap Google Sheets export and ZIP backup
- Money Flow dashboard showing revenue, costs and profit by time period
- Automatic SKU generation using Crockford Base32 encoding
| - Pomodoro timer with auto-cycling 25-minute work and 5-minute break intervals
- Full-screen classroom timer with projector-friendly digits readable from across a room
- Visual timer showing time as a shrinking coloured disc with no-numbers mode for young children
- Online stopwatch accurate to within milliseconds with lap time tracking and export
- Interval timer for HIIT, Tabata and EMOM workout cycles
- World clock showing live time across 70+ cities and time zones
- Countdown to specific date with shareable event countdown links
- Random name picker wheel for fair student or team selection
- Ambient focus sounds including rain, cafe, forest and white/brown noise
- Offline functionality with browser caching after first visit
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| What makes it different | - Built by a solo developer specifically for real in-person reselling, not a funded product designed by a boardroom
- Fully offline operation designed around markets with poor or no signal, not offline as an afterthought
- Real profit calculation that includes all costs from day one, including trip expenses split per item
- 100% free forever with no hidden fees, ads or mandatory account creation
| - Timers keep running in background tabs with remaining time shown in browser tab title
- No sign-up, download or installation required—runs entirely in your browser
- Works offline after first visit thanks to browser page caching
- Designed specifically for classroom projection with huge readable digits
- Completely free with no premium tier, no paywall features
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ▼ −1 (down) since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 3 | 0 |
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| Citation Flow (Majestic) | 23 | 13 |
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| Referring domains (Majestic) | 22 | 8 |
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ClockAura