1Colmi · 2026R107.48% cheaper ≈ $35 Water resistance 5 ATM vs 1 ATMWeight 2.7 g vs 4.7 g Battery life (smartwatch mode) 4 days vs 5 days Compare with R12Compare
3Riversong · 2026Trinity Smart Ring5.331% cheaper ≈ $25 Water resistance 5 ATM vs 1 ATMWeight 3.8 g vs 4.7 g Battery life (smartwatch mode) 3 days vs 5 days Compare with R12Compare
4Fitpaddy · 2025FitRing Air5.889% pricier ≈ $70 Water resistance 5 ATM vs 1 ATMBattery life (smartwatch mode) 6 days vs 5 daysWeight 3.5 g vs 4.7 g Compare with R12Compare
5Colmi · 2024R034.822% cheaper ≈ $30 Water resistance 5 ATM vs 1 ATMBattery life (smartwatch mode) 7 days vs 5 days Compare with R12Compare
6Amazfit · 2024Helio RingWater resistance 10 ATM vs 1 ATM Battery life (smartwatch mode) 4 days vs 5 days Compare with R12Compare