| What it does | Free attendance calculator for students to track how many classes they can safely miss
| Free random name picker powered by cryptographic randomness
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | Not given
| Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
| Free forever with no paywalls or hidden fees.
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| Key features | - Calculate how many remaining classes can be missed while staying at target
- Determine how many consecutive sessions must be attended to recover if below threshold
- Track attendance for multiple subjects separately
- Browser-based with no sign-up or account required
- All calculations performed locally without sending data to servers
| - Cryptographically secure randomness using crypto.getRandomValues()
- Equal probability for all entries
- Remove and spin again functionality
- Recent Winners log tracking all decisions
- Built-in fairness test with 10,000 simulated spins
- No account or download required
- Works on any modern browser
- Client-side application with no data transmission
- Unlimited entries with auto-resizing segments
- Multiple wheel configurations for different use cases
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| What makes it different | - No account or sign-up needed – instant access with no data collection
- All calculations happen in your browser – attendance data never leaves your device
- Supports multiple institutional requirements with 75%, 80%, 85%, and 90% target options
- Tracks multiple subjects simultaneously to prevent any single module from sliding below threshold
- Built and maintained by a single developer focused on honest, accurate answers
| - Uses cryptographic randomness instead of predictable algorithms like Math.random()
- Built-in fairness verification test that runs 10,000 spins to prove equal distribution
- Completely private with no data stored on servers or shared with third parties
- Instant results with no signup, download, or hidden costs
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 4 ● no change since last check |
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| Trust Flow (Majestic) | 1 | 0 |
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| Citation Flow (Majestic) | 19 | 14 |
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| Referring domains (Majestic) | 3 | 3 |
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CalcAttendance
Spin the Wheel