Birth Year Battle vs SwayJoy
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Birth Year Battle compared with SwayJoy
| Detail | BY
Birth Year Battle | 
SwayJoy |
|---|
| What it does | Not given
| Play motion games directly in your browser using your camera for gesture-based gameplay
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| Stage | Not given
| Startup
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| Founded | Not given
| 2025
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| Based in | Not given
| CN
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| Pricing model | Freemium
| Free
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| Pricing | Free to join with free daily Power and recruitment rewards. Optional paid Power packs available outside recruitment phase.
| Not given
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| Key features | - Free daily Power that refreshes each day during battle
- Attack rival years to reduce their health
- Defend your year's health
- Captain role to lead recruitment
- Recruitment rewards for bringing new verified players
- Elimination system where zero health means removal
- Season Champion status with bonus Banked Power for next season
- Optional paid Power packs for additional resources
- Share team cards to recruit
| - Hand gesture tracking with 21 hand landmarks per hand
- Body movement tracking with 33 body landmarks per player
- Multiplayer support for up to 6 players in party games
- On-device motion recognition with no server uploads
- Multiple control options including webcam, mouse and touch
- 3D arcade racer with 12 cars and 19 tracks
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| What makes it different | - Birth year becomes your permanent team with no choice
- Free to play with optional purchases, no mandatory spending
- Captains get up to 100 new recruit rewards versus 10 for regular players
- Personal stakes where friends become rivals based on birth year
- Season progression with qualification phase before live battle
| - Built by high school students in a classroom
- All motion recognition runs on your own device for privacy
- Integrated with Claude AI for rapid game development
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
| 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) | 19 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 22 | 9 |
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| Citation Flow (Majestic) | 10 | 5 |
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| Referring domains (Majestic) | 54 | 13 |
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3 details filled in for both companies.
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