When I tested the Google Fitbit Air recently, I rated its new app powered by an AI fitness coach to be quite useful, on the whole, but acknowledged that it's not for everyone. The structure of the app is messy and cluttered, and in order to create this new AI-forward app experience, the existing Fitbit app was bulldozed, with cornerstones like challenges and badges deleted.

Furious users took to forums, Reddit, YouTube comments and even our inbox to vent their frustrations. Plenty of people aren't happy that their library of historic digital rewards were deleted, and their regular app has been completed retooled into an AI experience they didn't want.

For those interested in switching, the Garmin Vivoactive 5 is an ideal purchase. For one thing, it's on sale at Amazon right now in both the US and the UK as a result of the Amazon Prime Day deals. Right now, you can get the Garmin Vivoactive 5 at Amazon US for $189.99 (was $299.99), which is just $10 away from its lowest price ever according to our deals-checking tools. In the UK, you can get the Garmin Vivoactive 5 at Amazon UK for £149.99 (was £209.99), a lowest-ever price. Check out both deals in full below:

The best Garmin watches are normally very expensive, but Amazon Prime Day is an excellent opportunity to snap up a good Garmin deal. At $190 / £150, this deal on the Vivoactive 5 isn't too far off a Fitbit Charge 6's price tag, making it an ideal purchase for disenfranchised Fitbit users looking to switch.

I've personally tested this watch and it's great: it's a smartwatch yes, so you do get some notification and connection features, but it's mainly a fitness tracker and an excellent one at that, all while being equipped with Garmin's stellar GPS features.

In our review, we called it "an excellent watch for those with an active lifestyle, who might not be power users or marathon runners". I'd agree with that assessment, although it's also got the juice and some advanced in-app running features to help you train for your first marathon should you wish to do so. Now the Vivoactive 6 is out, the Vivoactive 5 is dropping to record-low prices, making it temporarily better value for budget-conscious buyers.

Amazon Prime Day Garmin deals: Quick links

• Garmin deals in the US
• Garmin deals in the UK

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Matt is TechRadar's expert on all things fitness, wellness and wearable tech.

A former staffer at Men's Health, he holds a Master's Degree in journalism from Cardiff and has written for brands like Runner's World, Women's Health, Men's Fitness, LiveScience and Fit&Well on everything fitness tech, exercise, nutrition and mental wellbeing.

Matt's a keen runner, ex-kickboxer, not averse to the odd yoga flow, and insists everyone should stretch every morning. When he’s not training or writing about health and fitness, he can be found reading doorstop-thick fantasy books with lots of fictional maps in them.