VigiGym vs Crescendo 4×4
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
VigiGym compared with Crescendo 4×4
| Detail | 
VigiGym | 
Crescendo 4×4 |
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| What it does | Minimalist iPhone and Apple Watch workout tracker for self-guided lifters
| Norwegian HIIT starting at 30 seconds, scaling to the full 4×4 protocol
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | DE
| PL
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| Pricing model | Freemium
| Free
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| Pricing | Free: no cost with limited stats (last 20 days). Monthly: $2.99/month with 7-day free trial. Lifetime: $34.99 one-time purchase.
| Not given
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| Key features | - Modular workout builder for supersets, giant sets, drop sets
- Built-in 1RM calculator with auto-adjusted weights
- Apple Watch integration with full standalone tracking
- Visual muscle mapping with color-coded progress charts
- Live Activities and Lock Screen widgets
- Real-time heart rate tracking with Apple Health sync
- Complete workout history and progress analytics
- Multi-language support and native iOS design
| - Progressive on-ramp starting at 30-second intervals
- Voice-guided coaching throughout entire session
- Lock Screen and Dynamic Island display (iOS 17+)
- Works with screen locked and music playing
- Available in four languages
- Personalized heart-rate zones computed from max heart rate
- Native Apple Watch Workout app integration
- Adaptive level progression based on recovery data
- No account, no ads, no tracking
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| What makes it different | - No social feeds, gamification or distractions—focused purely on workout tracking
- Precision sliders and glove-friendly controls for quick logging without keyboard
- Private by default—data stays on device, no account required
- Built entirely in native SwiftUI by a single lifter-developer with 30+ years of training experience
- Affordable pricing with lifetime option at one-time cost
| - Structured progressive on-ramp that no other 4×4 resource offers
- Never forced progression: holds levels based on recovery data and never uses shame mechanics
- Privacy by design with no account or tracking required
- Works completely with screen locked and music playing through voice cues
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 24 ▼ −1 (down) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 10 | 0 |
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| Citation Flow (Majestic) | 27 | 15 |
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| Referring domains (Majestic) | 52 | 5 |
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5 details filled in for both companies.
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