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My whole family used the RunStar 4e Body Scale, and this affordable scale is great for weight — but let down by inaccurate body composition

What to watch next: The next question is whether the signal becomes a durable rollout, a pricing move, a product limitation, or a short update that fades after the news cycle.

Why it matters: The practical impact sits in workflow, cost, risk, or a buying decision; My whole family used the RunStar 4e Body Scale, and this affordable scale is great for weight — but let down by inaccurate body composition should be explained through that lens before any broad claim is made.

Reference image for: My whole family used the RunStar 4e Body Scale, and this affordable scale is great for weight — but let down by inaccurate body composition
Reference image from TechRadar. TechRadar

(Image credit: © Future / Paul Hatton) TechRadar Verdict The RunStar 4E delivers accurate and reliable measurements of weight, BMI, and metabolic age. The source signal from TechRadar should be placed in context first: the timing, the confirmed detail, and the reason it belongs in today's technology queue.

What happened

(Image credit: © Future / Paul Hatton) TechRadar Verdict The RunStar 4E delivers accurate and reliable measurements of weight, BMI, and metabolic age. Unfortunately, other metrics related to body fat and muscle were far less accurate, with some measurements deviating up to 30% compared to the RunStar 8E SmartScan Pro. That said, the scale does measure consistently with itself and so can be relied upon for tracking weight loss. Not bad for one of the most budget-friendly smart scales on the market. The source signal from TechRadar should be placed in context first: the timing, the confirmed detail, and the reason it belongs in today's technology queue. This section should establish the confirmed change before moving into interpretation.

Practical impact for readers

Why you can trust TechRadar We spend hours testing every product or service we review, so you can be sure you're buying the best. Find out more about how we test. The practical impact sits in workflow, cost, risk, or a buying decision; My whole family used the RunStar 4e Body Scale, and this affordable scale is great for weight — but let down by inaccurate body composition should be explained through that lens before any broad claim is made. This section should connect the report to reader workflow, spending, security, or product decisions.

Details worth verifying

Jump To: One minute review Price and availability Design Features Performance Scorecard Should I buy? Also consider How I tested RunStar 4E Body Scale: One minute review The RunStar 4E is an affordable smart scale that costs little more than a standard set of electrical scales. Considering it measures more than 20 different body composition metrics, the low price becomes even more impressive. As you’d expect at this price, there are limitations though, with the inability to measure composition accurately (fat-to-muscle ratios and so on) being the most glaring one. The next question is whether the signal becomes a durable rollout, a pricing move, a product limitation, or a short update that fades after the news cycle.

Who should act or wait

Despite these shortcomings, everything, from app setup to using the scales, is smooth, straightforward, and wonderfully intuitive. Connecting the scales to the companion app is quick and easy thanks to a robust Bluetooth signal, and the option to create multiple users within the app is a nice touch for a family of my size and stage. For readers, the useful frame is evidence, affected users, remaining risk, and the next point worth checking before acting. This section should name the reader group that benefits from acting now or waiting for confirmation.

What is still unclear

The weight measurement consistently measured around 0. 4% more than the pricier RunStar 8E SmartScan Pro, which isn’t a massive deviation. For almost all the other measurements, the RunStar 4E adopts a bioelectrical impedance analysis (BIA) measuring method through four metal sensors located on the top panel of the scale. A stronger article separates the source fact, the reader impact, and the follow-up question so the piece does not feel like a loose link summary. This section should close with the next signal worth checking, not another summary of the same fact.

Source notes