Full side-by-side
| Spec | Coway Villaem / Neo Plus | Prime Water | Winner |
|---|---|---|---|
| Origin | Korea | Korea | — |
| Distribution | Direct retail + rental (huge SG presence) | Sole authorised distributor | — |
| Category | Rental water purifier (NOT a true ionizer) | Alkaline ionizer | — |
| Plates | 0 | 9 | Prime Water |
| pH (max alkaline) | 7.5 | 11.0 | Prime Water |
| ORP | -50 mV | -728 mV | Prime Water |
| Dissolved H₂ | 0.02 ppm | 1.34 ppm | Prime Water |
| Flow rate | 2.0 L/min | 4.0 L/min | Prime Water |
| Warranty | 5 yr | 5 yr | Tie |
| Filter cost (each) | — | S$ 160 | Coway Villaem / Neo Plus |
| Sticker price | — / S$ 49/mo | S$ 2,800 / S$ 99/mo | Prime Water |
| 5-year total | S$ 2,940 | S$ 5,940 | Coway Villaem / Neo Plus |
| Our rating | — | 4.7/5 | — |
Verdict
Cost over 5 years: Coway Villaem / Neo Plus saves S$ 3,000 over 5 years.
Lab performance: Coway Villaem / Neo Plus produces 0.02 ppm dissolved H₂; Prime Water produces 1.34 ppm. The Prime Water leads on hydrogen output.
Warranty: Coway Villaem / Neo Plus carries a 5-year warranty; Prime Water carries 5. Same warranty length.
What we recommend: Prime Water (Sole-distributor Korean ionizer, 5-year warranty, no MLM markup). We disclose owning this brand — the numbers above support the verdict, you can replicate any of them with the published methodology.
Where to buy + showroom info
Coway Villaem / Neo Plus
Direct retail + rental (huge SG presence)
Showroom: Multiple SG locations · in-mall booths + service centres
Phone: +65 6593 8000
Lineup: Villaem · Neo Plus · Aqua Mega · Cinnamon · P-300 · P-08L
Visit Coway Singapore →Prime Water
Sole authorised distributor
Showroom: Singapore · by appointment via primewater.com.sg
Lineup: L Series · R Series · LV Series · RV Series
Visit Prime Water →Read our full review →
No affiliate links · Waterionizer.sg earns zero from either purchase.