Our verdict
The Cirkul Water Bottle and Stanley Quencher H2 0 Flowstate Tumbler are close. We gave the Cirkul Water Bottle a slight edge at 8.5/10 over the Stanley Quencher H2 0 Flowstate Tumbler at 8.4/10 — close enough that fit matters more than the score. Dial-adjustable flavor works—kids' water intake went from a fight to eager requests, and it costs less than daily flavored drinks.
Our pick

Cirkul Water Bottle
$19.99
Check priceRead our full review
Stanley Quencher H2 0 Flowstate Tumbler
Side by side
| Attribute | Cirkul Water Bottle | Stanley Quencher H2 0 Flowstate Tumbler |
|---|---|---|
| Our rating | 8.5/10 | 8.4/10 |
| Best for | Dial-adjustable flavor works—kids' water intake went from a fight to eager requests, and it costs less than daily flavored drinks. | Genuinely solid for desk/car use with excellent insulation and handle, but leaks when tilted, dents easily, and you're paying for viral hype. |
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Which one is right for you?
Choose the Cirkul Water Bottle if…
Dial-adjustable flavor works—kids' water intake went from a fight to eager requests, and it costs less than daily flavored drinks.
- I love mine. I'm drinking water instead of soda or fruit punch, and it's cheaper than Propel.
- The selection is massive — truly a flavor for everyone. Fast shipping and great customer service.
Choose the Stanley Quencher H2 0 Flowstate Tumbler if…
Genuinely solid for desk/car use with excellent insulation and handle, but leaks when tilted, dents easily, and you're paying for viral hype.
- Keeps ice cold all day (11+ hours tested)
- Clever 3-position FlowState lid
Why we rate them this way
Cirkul Water Bottle — 8.5/10
Dial-adjustable flavor works—kids' water intake went from a fight to eager requests, and it costs less than daily flavored drinks.
What we liked: I love mine. I'm drinking water instead of soda or fruit punch, and it's cheaper than Propel., The selection is massive — truly a flavor for everyone. Fast shipping and great customer service., It's a decent product and the flavors are pretty good as long as you don't mind artificial sweeteners., Great product especially if you are not a fan of plain water. Really helped me increase my daily water intake..
Worth knowing: It's also a little noisy when you drink from the Cirkul Water Bottle. Not a huge deal killer but noticeable., I am experiencing lack of flavor — I had to turn my cartridge to almost max to taste anything..
Stanley Quencher H2 0 Flowstate Tumbler — 8.4/10
Genuinely solid for desk/car use with excellent insulation and handle, but leaks when tilted, dents easily, and you're paying for viral hype.
What we liked: Keeps ice cold all day (11+ hours tested), Clever 3-position FlowState lid, Dishwasher safe, Fits Tesla Model Y/3 cup holders, Lifetime warranty.
Worth knowing: Leaks when tilted—can't safely go in bags, Dents and chips easily with normal drops, Heavy when full (~2 lbs), Premium price for performance matched by $20–25 alternatives.
Common questions
Is the Cirkul Water Bottle or the Stanley Quencher H2 0 Flowstate Tumbler better?
We rated the Cirkul Water Bottle 8.5/10 and the Stanley Quencher H2 0 Flowstate Tumbler 8.4/10, so we lean Cirkul Water Bottle — but it depends on what you want it for (see "which one is right for you" on the page).
How much do the Cirkul Water Bottle and Stanley Quencher H2 0 Flowstate Tumbler cost?
The Cirkul Water Bottle is listed at $19.99. We don't have a current price on file for the Stanley Quencher H2 0 Flowstate Tumbler — check the latest on its review page.
What's the difference between the Cirkul Water Bottle and the Stanley Quencher H2 0 Flowstate Tumbler?
Short version — Cirkul Water Bottle: Dial-adjustable flavor works—kids' water intake went from a fight to eager requests, and it costs less than daily flavored drinks. Stanley Quencher H2 0 Flowstate Tumbler: Genuinely solid for desk/car use with excellent insulation and handle, but leaks when tilted, dents easily, and you're paying for viral hype.