rabbit.reviews

Amazfit Bip 5 / Bip 6 vs CMF Watch 3 Pro

Side-by-side comparison based on expert reviews and community consensus.

Amazfit Bip 5 / Bip 6
Best Overall Budget
CMF Watch 3 Pro
Best HR Accuracy Under $100
Price
$50-$100
$99
Summary
The go-to recommendation across Reddit budget smartwatch communities for years running. Solid GPS, accurate HR tracking, and a price that undercuts nearly everything else with comparable features.
At $99, it packs one of the most accurate heart rate sensors tested at any price — not just in the budget category. A genuine surprise from Nothing's sub-brand that punches well above its weight.
Pros
  • Consistently recommended in budget smartwatch Reddit communities as the top pick under $100
  • Accurate heart rate sensor that rivals pricier options according to community users
  • Built-in GPS praised by runners on tight budgets
  • Lightweight design with long battery life
  • Heart rate sensor accuracy praised as best-in-class at any price point by community testers
  • Priced at $99, undercutting most competitors with similar accuracy
  • Solid build quality for the price from Nothing's CMF sub-brand
  • Covers all core fitness tracking needs per community consensus
Cons
  • App ecosystem (Zepp) is less polished than Garmin or Apple
  • Heart rate accuracy still trails Apple Watch and Huawei per community comparisons
  • Smartwatch features (notifications, apps) are more limited than Wear OS watches
  • Newer brand with less long-term reliability data than Amazfit or Garmin
  • Smaller app ecosystem compared to established players
  • Limited availability in some regions
Our take
If you want a no-nonsense budget smartwatch that just works, Amazfit Bip is the answer — Reddit's budget watch communities recommend it more consistently than anything else at this price point.
The CMF Watch 3 Pro is the sleeper pick here — when a Reddit user says its HR sensor beats watches at any price, that's the kind of real-world endorsement you can't ignore.
Buy
The verdict

Get the Amazfit Bip 5 / Bip 6 if you want overall budget performance. Get the CMF Watch 3 Pro if you value hr accuracy under $100 more. Both are excellent choices in best budget smartwatches.