The best alternative to QR Code and DataMatrix.
| Aspect | Square Code | QR Code | DataMatrix |
|---|---|---|---|
| Symetric | ✅ | ❌ | ❌ |
| Human readable | ✅ (if colored) | ❌ | ❌ |
| Max data size | Unlimited | 3 KB | 3 KB |
| Metadata size | 0 | ~69% | ~51% |
| Lost data restore | 75% any data | 7-30% (except meta data) | 30% (ECC-200 only, except meta data) |
| Min size (with margins) | 8x8 | 29x29 | 12x12 |
| Max size (with margins) | Unlimited | 185x185 | 146x146 |
| Size for "https://square.hyoo.ru/" (Max ECC, with margins) | 32x32 | 33x33 | 22x22 |
| Rotation proof | ✅ | ✅ | ✅ |
| Mirror proof | ✅ | ✅ | ❌ |
| Negative proof | ✅ | ✅ | ❌ |