Upend vs Problyx
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Upend compared with Problyx
| Detail | 
Upend | 
Problyx |
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| What it does | Challenge a friend to wake up, do the work, and beat them
| Social prediction markets platform where you can predict news, sports, crypto and politics with friends using free play-money
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | Not given
| CY
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| Pricing model | Free
| Free
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| Pricing | Not given
| Not given
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| Key features | - Real system alarm that starts the race
- Camera-based rep counting for squats and exercises
- Barcode scanning for proof of completion
- Photo evidence verification
- Hidden time scoring until both players finish
- Series score and win streak tracking
- Did Not Start tracking for missed challenges
- Offline-capable with server synchronization
- No video recording or transmission
- Self-report verification option
| - Prediction markets on sports, politics, crypto, finance and other categories
- Daily Drop quiz game mode
- Ladder game mode (double-or-nothing)
- Tournaments
- Leaderboard rankings
- Community-created markets
- Mobile apps for iOS and Android
- Real-time probability tracking
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| What makes it different | - Times stay completely hidden until both players finish, eliminating spoilers
- Fair scoring based on personal alarm time regardless of wake-up hour
- No video ever recorded, stored or transmitted for privacy
- Works fully offline without requiring signal
- Tamper-proof with server-side timestamp verification
| - Free to play with no real money required
- Social gameplay with duels and leagues
- Multiple game modes including Daily Drop and Ladder games
- Wide range of prediction categories
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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) | 3 ● no change since last check | 12 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 19 | 6 |
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| Citation Flow (Majestic) | 9 | 23 |
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| Referring domains (Majestic) | 16 | 16 |
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4 details filled in for both companies.
More alternatives to Upend More alternatives to Problyx