At a Glance
| Dimension | Renpho Smart Scale | Eufy Smart Scale P3 | Winner |
|---|---|---|---|
| Build & Design | 3 /5 | 3 /5 | Tie |
| Measurement Accuracy | 2 /5 | 3 /5 | Eufy Smart Scale P3 |
| Features & Metrics | 3 /5 | 4 /5 | Eufy Smart Scale P3 |
| App Experience | 3 /5 | 3 /5 | Tie |
| Value for Money | 5 /5 | 5 /5 | Tie |
Build & Design
Verdict: Tie
Both are 28–30cm tempered glass platforms with stainless steel electrodes and an LED display, built to a budget standard that prioritises measurement circuitry over materials. Neither feels premium, and neither needs to — both measure reliably and clean easily, which is what matters at this price.
Measurement Accuracy
Verdict: Eufy Smart Scale P3
Both use single-frequency foot-to-foot BIA and weigh accurately to 0.1kg. Where they diverge is body composition consistency: independent comparisons of budget BIA scales place the Renpho's variability at ±5–8 percentage points against DEXA, above the ±3–5 percentage point range typical of better-calibrated budget scales like the Eufy P3.
Features & Metrics
Verdict: Eufy Smart Scale P3
The Eufy P3 measures 16 metrics against the Renpho's 13, with the gap explained mainly by the P3's athlete mode — a BIA correction for users with high muscle mass that the Renpho does not offer. Both lists include the same core readings (weight, body fat, muscle mass, water) plus several derived calculations of similar usefulness.
App Experience
Verdict: Tie
The Renpho Health app and EufyLife are close in quality — both clean, both functional, both lacking the trend-overlay depth of premium apps like Health Mate. The Eufy's standout is direct Fitbit integration; the Renpho counters with broader platform reach including Samsung Health and Amazon Alexa voice readouts. Neither app is a deciding factor on its own.
Value for Money
Verdict: Tie
Both deliver no-subscription body composition tracking with all features included in the hardware price — the strongest value proposition in the category at either price point. The Renpho is the lower absolute outlay; the Eufy delivers more capability for £20 more. Neither is poor value — the question is which £20 increment matters more to your budget.
Two Budget Bestsellers, One Real Difference
The Renpho and the Eufy Smart Scale P3 are the two most-purchased scales in the budget body composition category, and on paper they look almost identical: tempered glass platforms, four-electrode BIA, Bluetooth connectivity, 13 to 16 measurements, no subscription. The £20 gap between them looks like it should be marginal.
In practice, it isn’t quite. The difference shows up specifically in measurement consistency — the one thing a body composition scale exists to provide.
Where the £20 Goes
Independent comparisons of budget-tier BIA scales consistently place scales like the Renpho at the higher end of the variability range — around ±5–8 percentage points against DEXA for body fat, compared to roughly ±3–5 percentage points for better-calibrated budget devices including the Eufy P3. Both figures are higher than premium scales, but the gap between the two budget options is the most material difference in this comparison.
The Eufy’s athlete mode is the other tangible difference: a calibration adjustment for users with higher muscle mass that meaningfully improves body fat accuracy for anyone training regularly. The Renpho has no equivalent.
Everything else — app quality, build, platform support — is close enough that ecosystem fit (Fitbit versus Samsung Health versus Alexa) is a more useful tiebreaker than any inherent quality gap.
Which Should You Choose?
If your budget allows £49.99, the Eufy Smart Scale P3 is the better buy — more consistent readings and athlete mode are genuine, usable advantages for the kind of week-to-week tracking a body composition scale is meant to support.
If £29.99 is the hard ceiling, the Renpho remains a sound starting point. It will tell you whether your weight and body fat are trending in the right direction, which for most first-time buyers is the actual question being asked.
For buyers who can go either way, the Eufy P3 is the recommended pick — but the Renpho is not a compromise so much as the lower rung of a ladder that starts with a genuinely usable product.
Overall Verdict
For most buyers who can stretch their budget by £20, the Eufy Smart Scale P3 is the better device — meaningfully more consistent body composition readings, WiFi connectivity alongside Bluetooth, and athlete mode for trained users. The Renpho remains the right call when £29.99 is the genuine ceiling: it is not a poor scale, and it covers the basics — weight and directional body composition trends — competently.
Runner-up
Renpho Smart Scale
From £29.99
Winner
Eufy Smart Scale P3
From £49.99
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Who Should Buy Which?
Eufy Smart Scale P3
- Your budget can stretch to £50 and you want the most consistent budget-tier readings
- You train regularly and want athlete mode for more accurate body fat estimates
- You use a Fitbit and want native scale-to-app syncing
Renpho Smart Scale
- £29.99 is the genuine ceiling for your budget
- You use Samsung Health or Amazon Alexa and want broad ecosystem support
- You want to trial body composition tracking before deciding whether to invest more