iCarsoft CR Max BT Enhanced Review: Is Wireless Enough to Beat the CR Max P?

Most people shopping for this tablet expect wireless to be the headline. It is not the deciding point, and that is the most useful thing we can tell you before you spend $479.95.

The maker's own comparison table lists Bluetooth on both the CR Max BT and the newer CR Max P. So the question is not whether to go wireless. It is whether the extra money for the P buys anything you will use.

We have not run this unit on a car in our own bay yet. What follows rests on the maker's documentation and the independent write-ups we could find, and we say so wherever a number is the maker's.

What the Bluetooth VCI actually changes

A VCI, or vehicle communication interface, is the small dongle that plugs into the OBD port under the dash. On the older CR Max it is a cable run to the tablet. On the BT it talks over Bluetooth, so you can stand at the engine bay, the rear hatch or the passenger footwell with the tablet in hand.

For a driveway job this matters more than it sounds. Watching a cooling fan or fuel pump respond while you stand next to it beats shouting at a helper in the driver seat. One retailer lists a 33 foot wireless range, which is a retailer claim, not a lab figure.

The line-up, side by side

The maker sells three tablets on the same platform. All list 58 makes, full-system access and 50 service functions. They differ in the details below.

The 7-inch CR Max uses a cable. The BT is wireless with a 7-inch screen. The P is wireless with a 10-inch screen, and DoIP is standard instead of optional.

DoIP: the real dividing line

DoIP stands for Diagnostic communication over Internet Protocol. Newer cars use it to move diagnostic data over Ethernet-style networks, and the page names Volvo, Land Rover and Jaguar, and BMW F and G chassis models as examples.

On the BT, CAN-FD works for 2020 and newer GM and Chrysler models, but DoIP needs extra hardware. If your garage holds an F-series BMW or a recent Volvo, factor that purchase in before you call the BT cheap.

The tablet itself

The BT has a 7-inch screen at 1024 by 600, Android, a 1.3 GHz quad core, 64 GB of storage and a 5000 mAh battery. The maker quotes up to 5 hours of use. It weighs about 750 g.

That is not a light tablet to hold overhead under a hood for an hour. An independent review of the cabled CR Max also described the interface as basic and called service resets inconsistent, so keep expectations level on those.

What it costs and what you get

The official store lists $479.95 against a $659.95 list price. A retailer showed the standard BT at $409.99, and the P is sold on the official store at $599. Prices move, so check on the day.

The software side is generous: 50 service functions, split into 9 daily maintenance items and 41 professional ones, plus OE-level coding for 8 major car groups. Updates are free for life over Wi-Fi.

Reading the 50 service functions honestly

A count like 50 sounds precise, but the maker adds that each function depends on the brand, model, year and ECU. In practice that means an oil reset may exist for your car while a steering angle relearn does not. Before buying, ask the maker to confirm the exact jobs you plan to do by sending your VIN, which the page says it answers within 24 hours.

Keep a short list of the three jobs you actually need, such as brake pad retraction, battery registration and a throttle relearn. If all three are confirmed, the tablet pays for itself the first time a shop quotes you for one of them.

Our verdict

Buy the CR Max BT Enhanced if you work mostly on makes that do not need DoIP, you want a wireless tablet, and the price gap matters. At roughly $120 less than the P, it keeps the same coverage list and the same 50 service functions.

Pay for the CR Max P if you touch Volvo, Land Rover, Jaguar or modern BMW, or if you want the larger screen. Choose a cheaper tool if you only want to read and clear codes, since the tablet's strength is service work and coding.

We score it 7.5 out of 10. It loses points for the optional DoIP, the weight and the small amount of independent testing behind the claims.