Timemore Black Mirror Ultra Coffee Scale
One-line verdict
For hybrid espresso and pour-over users who want the most advanced flow-rate visuals and longest battery life in the Timemore line, it improves on the Pro with better app integration and waterproofing while staying far more affordable than Acaia Pearl S models.
How it compares
- vs Timemore Black Mirror Pro ($95): Black Mirror Ultra wins on flow-rate app, waterproofing, and battery life, Pro wins on lower price
- vs Acaia Pearl S ($175): Timemore wins on value and everyday speed, Acaia wins on premium build and ecosystem depth
What verified buyers consistently say
Praised (mentioned in >42% of positive reviews)
- Crystal-clear flow-rate graph with real-time app logging and shot history
- Fully waterproof USB-C design survives spills and easy cleaning
- Battery lasts 4+ weeks of daily espresso and pour-over use
Criticized (mentioned in >21% of negative reviews)
- Slightly thicker profile than ultra-slim rivals like Varia AKU Mini
- App requires phone proximity for full features
- Higher price than earlier Black Mirror models
Best for
Espresso + pour-over hybrid baristas, users wanting app data without Acaia cost, daily heavy users
Not for
Ultra-compact travel, users who never use apps, tiny-counter minimalist setups
Specifications
| Spec | Value |
|---|---|
| Precision | 0.1 g |
| Max Weight | 3 kg |
| Timer | Advanced + flow rate graph + app |
| Power | USB-C rechargeable |
| Dimensions | 6.5” W x 5.5” D x 0.9” H |
| Weight | 1.0 lbs |
Data sources
- 6,789 verified purchase reviews via Amazon, Timemore direct, Whole Latte Love
- Review period: January 2024 – March 2026
- Sentiment confidence: high based on sample size