Updated September 30, 2026 · SmartHomeCue Editorial Team
AquaTru vs Waterdrop（EU）
AquaTru vs Waterdrop（EU）: the differences
| Compare | AquaTru ReviewSee alternativesSee alternatives | Waterdrop（EU） ReviewSee alternativesSee alternatives |
|---|---|---|
| Reference models | AquaTru Carafe, AquaTru Classic, AquaTru Under Sink | Waterdrop X Series Reverse Osmosis System X12, Waterdrop G3P800 Tankless RO System, Waterdrop X16 Undersink Reverse Osmosis System |
| Price from | $375 | €20.99 |
| Cartridge price | $29.95 to $59.95 | €33.99 |
| Cartridge life (l) | 2,271 to 4,542Higher | 4,164 |
| Filter cost per year | $99.85 | €33.99 |
| Certification scope | Countertop and Under Sink purifiers certified by IAPMO to NSF standards for removal of 84 contaminants including arsenic, lead, PFAS (PFOA and PFOS), chlorine, fluoride, nitrates, nitrites, glyphosate | X12 certified NSF/ANSI 42, 58 and 372 for reduction of TDS, PFOA, PFOS, chlorine, fluoride, barium, salt, chromium-VI, lead, heavy metals, taste and odor; F1A filter certified by IAPMO R&T (NSF/ANSI 58 & 372) and SGS |
| Warranty | 1 year | 1 to 2 yearsHigher |
| Markets | US | AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IT, LT, LU, LV, MT, NL, NO, PL, PT, RO, SE, SI, SK, TR |
Same on both: Filter system (Reverse osmosis), PFAS and lead reduction (Yes), Installation required (Yes).
We earn a commission when you sign up through links on this site. Partner status can affect where a brand appears in our rankings.
Key differences
- Waterdrop（EU） scores higher overall: 9.5 vs 9.2.
- Cartridge life (l) is higher at AquaTru: 2,271 to 4,542 vs 4,164.
- Warranty is higher at Waterdrop（EU）: 1 to 2 years vs 1 year.
- Support channels: only Waterdrop（EU） offers Chat.
- NSF/ANSI standards: only AquaTru offers 53, 401, 473.
- Waterdrop（EU） is available in 29 more countries.
- Markets: only AquaTru offers US.
- Markets: only Waterdrop（EU） offers AT, BE, BG.
Our verdict on each
AquaTru
AquaTru suits households in US that want PFAS and lead reduction from tap water and can absorb $375 up front. Replacement filters then run $99.85 a year, so the steady cost after the purchase is modest even though warranty cover is only 1 year.
Waterdrop（EU）
Waterdrop's EU store suits European households that want certified reverse osmosis and a cheap annual filter bill. Filters come to €33.99 a year, which ranks 2 of 46 brands compared, and support answers by phone, live chat and email if a fitting ever leaks.
Score breakdown
| Area | AquaTru | Waterdrop（EU） |
|---|---|---|
| Cost | 9.1Entry price of $375 runs high, while filters at $99.85 a year keep running cost low. | 9.8HigherFilter running cost is €33.99 a year, ranking 2 of 46, and the entry price is €20.99. |
| Offer | 9.1Cartridge life of 2,271 to 4,542 litres and a range covering AquaTru Carafe, AquaTru Classic, AquaTru Under Sink span most kitchen formats. | 9.5HigherReverse osmosis system, PFAS lead reduction stated as yes, and a replacement filter rated at 4,164 litres. |
| Trust | 9.9Higher1 year warranty, support on email, phone and help centre, and IAPMO certification to NSF standards for PFAS and lead reduction. | 8.8Founded 2015, support on email, chat and phone, warranty of 1 to 2 years, and IAPMO R&T and SGS certification on the replacement filter. |
Where they rank in our lists
| Ranking | AquaTru | Waterdrop（EU） |
|---|---|---|
| Water filters | 12 of 68 | 4 of 68 |
What we checked
AquaTru
- aquatru.com: 14 facts, checked September 30, 2026
Waterdrop（EU）
- waterdropfilter.eu: 14 facts, checked September 30, 2026
Every fact side by side
| Fact | AquaTru | Waterdrop（EU） |
|---|---|---|
| NSF/ANSI standards | 42, 53, 58, 401, 473Covers more | 42, 58 |
| Legal entity | AquaTru, LLC | Not confirmed |
| Founded | Not confirmed | 2015 |
| Support channels | Email, Phone, Help centre | Email, Chat, Phone, Help centreCovers more |
Where each stands against the rest
| Fact | AquaTru | Waterdrop（EU） | Median |
|---|---|---|---|
| Cartridge life (l) | 2,271 to 4,542above the median | 4,164above the median | 2,862.5 |
| Warranty | 1 yearbelow the median | 1 to 2 yearsat the median | 2 years |
Median across 47 listed brands.
Pros and cons
AquaTru
Pros
- AquaTru states that its purifiers reduce PFAS and lead, and IAPMO certification to NSF standards covers the countertop and under sink models for a contaminant list that takes in arsenic, chlorine, fluoride, nitrates, nitrites and glyphosate.
- Running costs stay modest at $99.85 a year, with replacement cartridges listed at $29.95 to $59.95.
- Cartridge life of 2,271 to 4,542 litres stretches refills out, so that annual cost covers a large volume of water.
Cons
- Entry pricing of $375 sits well above the category entry median of €179.99, so the outlay is the main barrier.
- Installation is required, so $375 covers the unit and not the work of fitting it.
- AquaTru ships to US, so buyers elsewhere have to settle delivery before choosing a model.
Waterdrop（EU）
Pros
- Filter running cost of €33.99 a year ranks 2 of 46, among the cheapest supplies compared.
- PFAS lead reduction is stated as yes, and the certification scope names NSF/ANSI 42 and 58 plus IAPMO R&T and SGS certification for the replacement filter.
- An entry price of €20.99 ranks 4 of 52.
Cons
- Installation is required, so plan on fitting the unit before the first glass, which rules out a plug and play setup for renters.
- Warranty cover runs 1 to 2 years, which is brief for a fixed system with tubing and fittings.
- Cartridge life of 4,164 litres ranks 7 of 26, mid field on that measure.
Who each suits
AquaTru
Who it suits
- Households in US that want PFAS and lead reduction and can pay $375 up front.
- Drinkers who value long cartridge life, since 2,271 to 4,542 litres keeps refills infrequent.
- People choosing between formats, with AquaTru Carafe, AquaTru Classic, AquaTru Under Sink covering a carafe, a classic purifier and an under sink unit.
Who should look elsewhere
- Buyers on a tight budget: IBBL is a countertop purifier, a simpler format, and the category entry median of €179.99 sits well below AquaTru's $375.
- Shoppers after a tankless under sink menu: Culligan Consumer Products lists its Aquasential Tankless RO Drinking Water Filtration System, and Waterdrop (EU) also offers a tankless reverse osmosis system, so both reach formats beyond AquaTru Carafe, AquaTru Classic, AquaTru Under Sink.
- Renters unwilling to fit an appliance: installation is required here, whereas the countertop format suits a kitchen where plumbing work is not on the table.
Waterdrop（EU）
Who it suits
- Households that want certified reverse osmosis (reverse osmosis) and treat PFAS and lead reduction as a must have.
- Buyers who plan filters as a yearly line item, since the running cost is €33.99.
- People shopping in the markets the service policy covers: AT, BE and BG.
Who should look elsewhere
- Lifestraw, if a jug format fits your kitchen better than a plumbed reverse osmosis unit.
- IBBL, whose countertop format suits buyers who prefer equipment that stays on the counter.
- Culligan Consumer Products, whose reference models span reverse osmosis, tankless reverse osmosis and an under sink good water machine, if you want a wider second RO range to shortlist.
Country by country
| Country | AquaTru | Waterdrop（EU） |
|---|---|---|
| Austria | No | Yes |
| Belgium | No | Yes |
| Bulgaria | No | Yes |
| Croatia | No | Yes |
| Cyprus | No | Yes |
| Czechia | No | Yes |
| Denmark | No | Yes |
| Estonia | No | Yes |
8 of 31 countries where either is available.
Questions about each
AquaTru
What does an AquaTru purifier cost to buy?+
Entry pricing is $375 for an AquaTru purifier, paid at purchase rather than renewed on a schedule. The range runs across AquaTru Carafe, AquaTru Classic, AquaTru Under Sink, so that figure reads differently depending on whether you pick a countertop or under sink model. Budget for filters separately, because they are the part you replace.
How much do AquaTru replacement filters cost over the year?+
Cartridges list at $29.95 to $59.95, and the annual filter cost is $99.85. Those two figures make up the renewal side of ownership, since the machine itself is bought at purchase. A household that drinks and cooks heavily on filtered water reaches each cartridge change sooner than a lighter one does.
Waterdrop（EU）
What do filters cost each year?+
A replacement filter costs €33.99, and the yearly filter cost is €33.99. The two figures match, so budgeting a replacement filter every year is the practical assumption rather than a saving. That running cost ranks 2 of 46 brands compared.
What does a Waterdrop system cost to start with?+
The lowest price in the EU store is €20.99, which is the cheapest item rather than a complete system. The reference models named by the brand are a reverse osmosis system, a tankless reverse osmosis unit and an undersink model, and each one is a fitted unit that needs installing.