| Starting monthly cost | $19.95 | $33.95 | $24.95 | $43.95 | $39.99 | $29.95 |
| Battery life | 3 days | 2 years (in-home necklace) 5 days (MGMini) | 2–5 years | 16 days | 40 hours | 5 years |
| Response time (seconds) | 25–50 | 1–25 | 45+ | 25–50 | 50+ | 1–25 |
| Fall detection | $11 per month | $10 per month | $10 per month | $5 per month | $11 per month | $10 per month |
| Two-way communication | No | Yes (MGMini) | No | Yes | Yes | Yes |
| GPS | No | Yes (MGMini) | No | Yes | Yes | Yes |
| Water resistance | Yes | Yes | Yes | Yes | No (yes with help button or fall detection button) | Yes |
| Device range (in feet) for in-home systems | 1,400 | 1,300–1,400 | 1,000 | 1,300 | Unlimited | 1,000 |
