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Compare two products
Pick any two products from our reviews and see specifications, price, buyer ratings and our scores in one table.
Recorded evidence
What separates these listings
- Price snapshot
- $23.00 price gap
- Product B has the lower captured price. This excludes delivery and ongoing costs.
- Editorial assessment
- 0.4-point score gap
- Product A has the higher research score, not a measured performance advantage.
- Specification coverage
- 12 of 17 fields shared
- Shared labels have recorded values on both sides; matching labels do not guarantee matching units or test conditions.
Product A
Cosori Gooseneck Electric Kettle with Temperature Control, 0.8L, Black
- Potential fit
- Single-serve precision steeping and gongfu sessions
- Trade-off to resolve
- 0.8-liter volume is small for group service
Product B
Aigostar Electric Kettle with Temperature Control and Tea Infuser
- Potential fit
- Budget-conscious drinkers wanting an all-in-one setup
- Trade-off to resolve
- Material durability warrants scrutiny at this price
Side-by-side evidence
17 of 17 recorded specification fields shown
| Side by side |  |  |
|---|---|---|
| Buyer rating | 4.6 | 4.4 |
| Price | $62.99 | $39.99 |
| Our score | 8.1/10 | 7.7/10 |
| Ratings count | 17,087 ratings | 2,887 ratings |
| Brand | Cosori | Aigostar |
| Best for | Single-serve precision steeping and gongfu sessions | Budget-conscious drinkers wanting an all-in-one setup |
| Build quality | 8.5/10 | — |
| Temperature control | 6.8/10 | — |
| Pour precision | 9.0/10 | — |
| Thermal stability | 7.9/10 | — |
| Value | 8.2/10 | — |
| Temperature precision | — | 5.5/10 |
| Material purity | — | 8.5/10 |
| Infuser volume | — | 7.5/10 |
| Heating performance | — | 8.3/10 |
| Price-to-feature value | — | 8.6/10 |
| Included Components | 1 Manual, 1 Warranty Card, 1 kettle, 1 base | Kettle body, base, stainless steel filter |
| Recommended Uses For Product | Boiling, Heating | Boiling, Heating |
| Model Name | CO108-NK | 300104IBS |
| Model Number | CO108-NK | 300104IBS |
| Warranty Description | 1 year warranty + optional 2-year warranty, lifetime customer service support | Not recorded |
| Item Highlight | No Plastic Contact with Water, 5 Presets, 60-Min Keep Warm, Pour Over Coffee & Tea, Stainless Steel Interior, 1200W | 1500W, 1.7L Hot Water Kettle with Variable Temperature, Keep Warm Function, LED Indicator Light Change, Auto Shut-Off |
| Item Type Name | Electric Gooseneck Kettle with 5 Variable Presets | Not recorded |
| Part Number | CO108-NK | B30401LTC |
| Other Special Features of the Product | 1 Hour Keep Warm, 5 One-Touch Presets, British Strix Controller Provide Better Power And Accuracy, Low Noise, Sleek Design | Temperature Control,5-color variable LED indicators, Keep Warm, Removable Filter |
| Container Type | Kettle | Kettle |
| Brand Name | Cosori | Aigostar |
| Number of Items | 1 | 1 |
| Manufacturer | Cosori | Aigostar |
| Unit Count | 1 Count | 1 Count |
| Voltage | Not recorded | 120 volts |
| Wattage | Not recorded | 1500 watts |
| Capacity | Not recorded | 1.7 liters |
| Our verdict | The gooseneck spout and digital temperature control provide the exact water placement and heat regulation tea leaves require. The 0.8-liter volume is geared toward solo drinkers or small sessions rather than large batches. The $69.99 price directly reflects the specialized spout and variable heating base. | This unit offers both temperature adjustment and an integrated infuser at an entry-level price point. Given the low cost, buyers must scrutinize the build to ensure the interior chamber and basket are free of low-grade plastics. Check whether the controls allow individual degree adjustments or rely on coarse presets. |
| Pros and cons |
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Prices and buyer ratings are captured snapshots. A dash means the detail was not recorded, not that a feature is absent. Editorial scores are research assessments, not laboratory measurements.
Sources and limits
This page summarizes our research reviews of Amazon listings, listed specifications and captured buyer ratings. It is not a hands-on test. Scores are editorial assessments, not measured performance; prices are recorded snapshots and may change. A category can include both main products and accessories, so its overall price range is not the cost of a complete setup.
Most recent product record update: October 3, 2026. Individual records may be older; this is not a verification date for every claim. Prices on this page were read from the listings Nov 8, 2026 – Nov 13, 2026.
- Amazon listing: Cosori Gooseneck Electric Kettle with Temperature
- Amazon listing: Aigostar Electric Kettle with Temperature Control
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