Sat navs: Compare features & prices Bosch iPhone 4 review Back to Results

You probably associate Bosch with washing machines rather than sat navs, but the Bosch sat nav app for Apple's iPhone 4 promises 'to provide you with precise high-performance navigation based on 20 years of navigation expertise in the automotive industry'. Our unique and rigorous testing reveals whether this Bosch app is a worthy companion for the road.
Sign up to access the full review

  • Reviews of 100 sat navs.
  • 40 Best Buy sat navs for hassle-free car navigation.
  • Reviews of sat navs from 28.

Sat nav reviews you can trust

Our team of experts are continually subjecting the most popular sat navs to the most challenging tests. We've reviewed hundreds of models from all the top brands, including Garmin, Sony and TomTom.

Which? is independent - we work for you, the consumer, so you can be sure that our product recommendations are influenced only by our test results. We don't take advertising and we buy all the products that we test ourselves, so our advice helps you to make the right choice first time and avoid costly mistakes.

More ways to save money

Which? reviews thousands of products and services each year, shedding the light on the best and worst and helping you with your everyday decisions. With advice and reviews on everything from energy suppliers and high street shops to ebook readers, cars and mobile phones, Which? can help you save money.

Try a £1 trial membership, and you'll get:

  • Unlimited access to
  • Which? magazine delivered to your door
  • Free advice on the go from Which? Member Services
  • Unlimited legal advice on consumer issues

Existing subscribers login now

Bosch iPhone 4

  • Launch date: Jul 2011
  • Type: App
  • Which? score: Subscribe
Typical price
What is this?
Traffic monitoring Yes
European maps No
Screen size 90
View full specification