Best Personal Breathalyzers Under $50 (2026)
We selected models under $50 and ranked them by a value score combining device features, accessory support (mouthpieces), portability, and user-focused design
The Verdict
- Best Overall: BACtrack mouthpieces (100 ct) for S80/Trace/Element/Scout/S75 — Best for replacement parts: food-grade plastic mouthpieces in a 100-count pack simplify hygienic long-term use
This roundup highlights personal breathalyzers priced under $50 and chosen for practical value, portability, and replacement-part availability. Selections were ranked by a value score that balances device features, accessory support, and user-focused design
Top Picks
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1
Best Overall BACtrack mouthpieces (100 ct) for S80/Trace/Element/Scout/S75
Best for replacement parts: food-grade plastic mouthpieces in a 100-count pack simplify hygienic long-term use
Replacement mouthpieces for BACtrack breathalyzers. FDA-compliant food-grade plastic; individually wrapped for clean tests. Customers note reliable performance and easy attachment/removal
- multiple-model compatibility
- hygienic individually wrapped pieces
- FDA-compliant food-grade material
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2
BACtrack Keychain Breathalyzer (Blue) – Ultra-Portable Pocket Alcohol Tester
Best for everyday carry: ultra-portable keychain design for quick, on-the-go breath alcohol checks
Compact keychain breathalyzer with one-button operation for quick BAC estimates. Fold-out mouthpiece promotes accurate breath capture. Customers praise portability and ease of use, with mixed notes on accuracy
- one-button operation
- fold-out mouthpiece
- ultra-compact keychain design
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3
BACtrack Keychain Breathalyzer (Green) – Ultra-Portable Alcohol Tester
Best budget portable tester: compact keychain format that prioritizes convenience and simple one-handed use
Compact keychain breathalyzer with one-button operation for quick BAC estimates. Fold-out mouthpiece promotes accurate breath capture. Customers note easy carryability and small size, but report mixed accuracy and durability concerns
- one-button operation
- ultra-compact keychain design
- fold-out mouthpiece for better breath capture