Good scales are available from as little as 30 euros - that's the good news from our test of 17 body fat scales. The less good news: Several expensive models with prices between 100 and 400 euros fail to achieve a good rating. Stiftung Warentest's test results show how you can avoid expensive bad purchases - and save a lot of money...

The last-place finisher in the comparison test offers a confusing app and the most difficult-to-read display. The measurement accuracy is mediocre, but the data can be managed by twelve people.