| What it does | Automatic cloud backup and full version history for PC game saves
| 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 | Freemium
| Free
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| Pricing | Free: 20 MiB storage, one personal space, one team, full version history, co-op locks included. Lifetime: €10 one-time purchase, 1 GiB storage per space, up to 3 teams, share codes for 15 read-only fans. Pro: €45 one-time purchase, 5 GiB storage per space, up to 5 teams, 25 seats per team minimum, u
| Not given
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| Key features | - Automatic background backups every 60 seconds
- Full version history with one-click restore
- Server-enforced co-op locks to prevent simultaneous uploads
- Deduplicated uploads for changed files only
- Presets for 450+ games and 7 emulators
- Shared activity logbook for teams
- Read-only share codes for community worlds
- Checkpoint Connect for peer-to-peer server hosting without port forwarding
- Full controller navigation including Steam Deck
| - 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 | - Covers emulators, modded installs, and GOG copies that Steam Cloud does not support
- Maintains full version history unlike Steam Cloud which syncs broken saves
- Pay-once lifetime plan with no subscription required
- Only uploads files that changed to minimize bandwidth and storage
- Built by solo developer who lost 200-hour Factorio base
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 6 ▲ +1 (up) since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 6 | 0 |
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| Citation Flow (Majestic) | 25 | 13 |
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| Referring domains (Majestic) | 11 | 8 |
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Checkpoint64
ClockAura