A strong performing heart rate monitor with useful connectivity options



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A strong performing heart rate monitor with useful connectivity options


road.cc test report

Make and model: 4iiii Viiiiva Heart Rate Monitor

Size tested: n/a




Tell us some more about the technical aspects of the product?

* Tap to Pair

* Activity Logging


* ANT+ Sensor Bridge

* Fitness Equipment Pairing

* Display Compatibility

* Long Battery Life

* 4iiii Product Integration

* Smartphone Compatibility

* User-Friendly 4iiii App

* 4iiii Cliiiimb app updated for compatibility

Rate the product for quality of construction:


Rate the product for performance:


Rate the product for durability:


Rate the product for weight (if applicable)

46g isn't going to weigh you down.

Rate the product for comfort (if applicable)


Rate the product for value:




Tell us what you particularly liked about the product

The ANT+ bridge.

Tell us what you particularly disliked about the product

It's quite expensive.

Did you enjoy using the product? Yes

Would you consider buying the product? Yes

Would you recommend the product to a friend? Yes

Use this box to explain your score


Overall rating: 8/10

About the tester

Age: 27  Height: 6 ft  Weight:







tritecommentbot [2266 posts] 3 years ago

Game changer for a lot of people if Strava supports it. Means that some people trying to decide between using Strava's own app (+Premium for Live) on an iPhone (I say iPhone as they all do not have ANT+) or buying an Edge 1000 will possibly just go for the app/iPhone instead. Battery is good enough for most rides, and most people are fair weather riders anyway. I was making this choice a couple of months ago and went for the Edge 1000 because the ANT+ dongles on the market were designed for the old iPhone connectors, which meant I needed an adapter for the ANT+ connecter on the lightning port of my 6+. So you'd have ended up with a ridiculous looking setup and one that I'm not sure would have been entirely stable connection wise. I don't really like maps on the Garmin Edge 1000 and when I'm stuck I actually pull out my phone and get Google Maps going. It can be hard to read the Garmin maps in dense city areas, but it's a nice visual guide out in the back roads. Turn by turn works great but you need to get a route plotted first on it and it's a bit pants compared to plotting a route on Google Maps so often I don't bother. You can pay a monthly fee to RideWithGPS.com to make it easier but again, that's a monthly fee. I digress, but these issues are all connected. The ANT+ bridge here is a stepping stone at the heart of a war between two devices that's going to really kick off in the coming years. (I call it a stepping stone as it will be redundant after Apple add ANT+ to all their models. Some Android phones already do). I'm in two minds about the phone replacing cycling computers. People statistically like phones large these days for reading books, using as a tablet, gaming etc. Like myself. But that adds bulk. On the other hand you have better mapping and visibility and it's actually less weight overall on the bike as you're taking one device instead of two. Waterproofing and capacitive touch then are the hang ups which will need better case design than we have at present. Battery isn't really such a big issue as people make out. You can boost the battery life of any device with accessories, and I'm hoping we'll see some really smart lightweight charging come to bike accessories in the coming years. 

philhubbard [212 posts] 3 years ago

I know it may be a stupid question but are the poppers the same as one the Garmin softstrap, Polar HR and Mio chest strap? Sounds silly but I already have all these so having replacements lying around all the time is a bonus

PhilipA [2 posts] 3 years ago
philhubbard wrote:


This isn't a new product as I have had one for a few years without any issues alternating between the supplied strap and a Garmin strap so they are the same popper layout.