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Alternatives to Colmi R12

6 smart rings at a similar price that compete with the R12 — what each does better, what it gives up and how the price compares.

Alternatives to the R12

Colmi R10
1
Colmi · 2026R10
7.4
8% cheaper ≈ $35
  • Water resistance 5 ATM vs 1 ATM
  • Weight 2.7 g vs 4.7 g
  • Battery life (smartwatch mode) 4 days vs 5 days
Riversong Trinity Smart Ring
3
Riversong · 2026Trinity Smart Ring
5.3
31% cheaper ≈ $25
  • Water resistance 5 ATM vs 1 ATM
  • Weight 3.8 g vs 4.7 g
  • Battery life (smartwatch mode) 3 days vs 5 days
Fitpaddy FitRing Air
4
Fitpaddy · 2025FitRing Air
5.8
89% pricier ≈ $70
  • Water resistance 5 ATM vs 1 ATM
  • Battery life (smartwatch mode) 6 days vs 5 days
  • Weight 3.5 g vs 4.7 g
Colmi R03
5
Colmi · 2024R03
4.8
22% cheaper ≈ $30
  • Water resistance 5 ATM vs 1 ATM
  • Battery life (smartwatch mode) 7 days vs 5 days
Amazfit Helio Ring
6
Amazfit · 2024Helio Ring
  • Water resistance 10 ATM vs 1 ATM
  • Battery life (smartwatch mode) 4 days vs 5 days
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