Causality
Create and discover physical-digital experiences
Cirkul
A water bottle that customizes the flavor of your water
Updated February 2026
| Causality | Cirkul | |
|---|---|---|
| Rating | 5.0★ | 2.4★ |
| Reviews | 2 | 124 |
| Pros | 0 | 5 |
| FactScore™ | 23.9 | 50.3 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Causality — Pros
No unique pros listedBoth tools — Pros
—Only in Cirkul — Pros
Helps increase water intake Variety of flavors Flavor customization Available at retail stores Stainless steel bottle optionOnly in Causality — Cons
—Both tools — Cons
—Only in Cirkul — Cons
Flavors do not last as advertised Poor customer service Slow shipping Expensive cartridges Artificial aftertaste Inconsistent flavor strength Leaking bottles Auto-ship issues Difficult to drink from No refund policy Bottle not insulated Stomach problemsDetails
| Causality | Cirkul | |
|---|---|---|
| Categories | Engineering & Development, Social & Community, Physical Products | Physical Products |
| Platforms | Web · iOS · Android | Web |
| Became Popular | August 7, 2024 | April 21, 2017 |
| Website | www.causality.xyz | www.indiegogo.com |
Who Should Pick Which?
Choose Causality if...
- No unique pros listed
Choose Cirkul if...
- Helps increase water intake
- Variety of flavors
- Flavor customization
With a FactScore™ of 23.9 vs 50.3, Cirkul leads in community reception. Causality uniquely offers No unique pros listed, while Cirkul stands out for Helps increase water intake and Variety of flavors.
What Users Say
Causality
I used their IRL autograph activation at NFC (Portugal) to get an NFT signed by Carlos Marcial and was pleasantly surprised at how smooth and quick it was while still being onchain. It was a great ...
I used this to make a Discord bot that grants a role to users in my server who own a specific brand of NFC-enabled hoodie.
Cirkul
I needed a way to drink more water and the Cirkul commercials drew me in. It took over a week to get the tumblers and 10 different cartridges by Fed Ex. Could have been a FedEx issue or a cirkul sh...
If I could give zero stars I would. I bought a bundle and installed the cartridge and I couldn’t get any water through the spout. I looked up and found out a few people had the same problems. I con...
I really loved Cirul bottles at first but then i started realizing they just weren't lasting ver long. I took one apart one day because i had just changed it and was already out of flavor. After ta...
Related Comparisons
Frequently Asked Questions
Which is better, Causality or Cirkul?
Based on FactScore™, Cirkul leads with a score of 50.3 vs 23.9. Cirkul has a higher rating of 2.4★ compared to 5.0★.
What are the pros of Causality compared to Cirkul?
Causality uniquely offers: No unique pros listed.
What are the pros of Cirkul compared to Causality?
Cirkul uniquely offers: Helps increase water intake, Variety of flavors, Flavor customization, Available at retail stores, Stainless steel bottle option.
Is Causality better rated than Cirkul?
Causality is rated 5.0★ from 2 reviews. Cirkul is rated 2.4★ from 124 reviews.
What is the FactScore™ of Causality and Cirkul?
FactScore™ weighs rating and review volume together. Causality scores 23.9 and Cirkul scores 50.3.
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