When comparing Tile Original vs Protag Duet, the Slant community recommends Protag Duet for most people. In the question“What are the best ways to track a lost set of keys?” Protag Duet is ranked 2nd while Tile Original is ranked 4th. The most important reason people chose Protag Duet is:
The Bluetooth connection between the Protag and your phone is about as reliable as you can expect. It's range is about 75 feet consistently, which makes this one of the best ranges available.
Specs
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Pros
Pro Can make noise
Tile can sound an alert when triggered.
Pro Sharable access
You can allow people you trust access to the Tile so they can help you find your lost items if you can't be there yourself.
Pro Remembers last location
Pro Waterproof
Pro 4mm thin
Pro 150 ft range
Pro Alerts when out of range
Pro Reliable Bluetooth connection
The Bluetooth connection between the Protag and your phone is about as reliable as you can expect. It's range is about 75 feet consistently, which makes this one of the best ranges available.
Pro Removable battery
Once the built-in battery runs out, it can be changed simply by prying the device open. The company even ships extra batteries.
Pro Reminds when you leave your phone behind
The device will beep when the phone is out of range, so if you leave without a phone, but have an item that has Duet attached to it, it will remind of phones absence.
Pro Works with iOS and Android
Cons
Con No Android support
Tile states that Android doesn't currently support Bluetooth 4.0, but new versions of Android have added the feature.
Con Battery can not be replaced
To make Tile thinner, the batter is not replaceable, meaning the device must be replaced on a yearly basis.
Con App can provide false information
When out of range, sometimes the app will display the location of your Protag in different continents.
Con Quiet alarm makes finding items harder
At 80dB, this alarm is quieter than the rated value of other item finders. This noise level reduces down to 50dB when measured 5 feet away, which is just a bit quieter than an average conversation