Monk Cocoon vs The Keico Cryo Cube Cold Plunge
Two cold plunge tubs side by side: Monk Cocoon at £1,995 and The Keico Cryo Cube Cold Plunge at £2,100. Prices and specifications checked against each maker's page, last on .
Choose the Monk Cocoon if
- it costs £105 less (5% cheaper)
- it has app control
Choose The Keico Cryo Cube Cold Plunge if
- owners rate the brand higher on Trustpilot (4.7 against 4.2)
| Monk Cocoon | The Keico Cryo Cube Cold Plunge | |
|---|---|---|
| UK price | £1,995 | £2,100 |
| Type | Tub (add your own chiller) | Tub (add your own chiller) |
| Capacity | approx. 480 L (estimated) | 470 L |
| Includes chiller | No | No |
| Material | Rigid insulated shell (material not stated) | Heat-treated thermowood cube |
| Insulation | Not stated | Not stated |
| Dimensions | 1235 x 715 x 845 mm | 1040 x 1040 x 1050 mm |
| Weight (empty) | Not stated | Not stated |
| Voltage | Not stated | Not stated |
| Filtration | Ozone + 2-stage (with Monk chiller) | Not stated |
| Outdoor use | Yes | Yes |
| App control | Yes | No |
| Warranty | 2 years | Not stated |
| Tested by us | No | No |
| Where to buy | Check price at Monk | Check price at The Keico |
Buying facts
| Monk Cocoon | The Keico Cryo Cube Cold Plunge | |
|---|---|---|
| Price per litre of capacity | £4.16 | £4.47 |
| Ice to cool from 15C to 8C, per plunge | 47 kg | 46 kg |
| Brand rating on Trustpilot | 4.2 from 28 reviews | 4.7 from 545 reviews |
| Newest Trustpilot reviews we read | 2 of 15 at 1-2 stars | 0 of 15 at 1-2 stars |
| Where the seller is based | London | Not stated |
Trustpilot scores cover the whole brand and its service, not this model alone; we read the newest reviews on each profile at every data run. How we check the data.
Price history
| From | Monk Cocoon | The Keico Cryo Cube Cold Plunge |
|---|---|---|
| £1,995 | £2,100 |
No tracked price has changed since 8 Sept 2026; last checked 5 Oct 2026.
What the numbers say
On price, the Monk Cocoon is £105 cheaper than The Keico Cryo Cube Cold Plunge (£1,995 against £2,100 in the UK at the time of writing).
Capacity: Monk Cocoon about 480 L (our estimate), The Keico Cryo Cube Cold Plunge 470 L (advantage Monk Cocoon).
We have not tested either unit ourselves, so this comparison is built from the makers' specifications, UK pricing and owner feedback; each product page says the same.
Frequently asked questions
Is the Monk Cocoon or The Keico Cryo Cube Cold Plunge cheaper?
The Monk Cocoon is cheaper at £1,995, £105 less than The Keico Cryo Cube Cold Plunge at £2,100, on the UK prices we last checked.
Do the Monk Cocoon and The Keico Cryo Cube Cold Plunge come with a chiller?
No. Both are cooled with ice or a separate chiller. Our ice calculator and chiller sizing calculator show what each option needs.
Which brand do owners rate higher?
On Trustpilot, Monk scores 4.2 from 28 reviews and The Keico 4.7 from 545 (checked 2026-09-22). These are brand scores covering every product and the service, not this model alone.
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Read the full pages
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