Cup Holder Phone Mount CupFone - Secure, Adjustable Car Phone Holder

In this review the WeatherTech CupFone is evaluated for drivers who need a stable, no-fuss way to mount a large smartphone in a vehicle cup holder. The bottom line: it is best for people who want a secure, adjustable holder that fits a wide range of phones without permanent installation. The CupFone shines because it combines a simple insert-and-rotate installation with a snug StickySleeve and interchangeable base cups, making it a dependable option for long trips, daily commutes, and multi-driver vehicles.

Key Features

• Wide compatibility: Holds most standard phones 2.37 in to 3.37 in wide and up to 0.56 in deep, including the largest modern models.
• Interchangeable base cups: Includes removable base cups so the mount can be adjusted to fit most car, truck, SUV, boat and RV cup holders.
• Easy installation: A simple insert-and-rotate method plus a separation tool makes fitting the CupFone quick and repeatable between vehicles.
• Open access charging: The open design allows charging cables to remain connected while the phone is mounted for navigation or hands-free use.
• Durable build: Sturdy construction and an included rubber StickySleeve reduce movement and keep the phone steady on rough roads.
• Upgradeable knobs: WeatherTech offers billet aluminum knobs (sold separately) for a more durable and stylish tightening option.

Who It's For

The CupFone is aimed at drivers who prefer a cup holder solution over dashboard or vent mounts, especially those with larger phones like the iPhone 16 Pro Max or flagship Android models. It is useful for owners of multiple vehicles who want a portable mount that can be moved and adjusted without tools.

Drivers who require a magnet mount, wireless charging built into the mount, or a fixed permanent installation should look elsewhere, since this product is focused on stability and wide compatibility rather than integrated charging or adhesive mounting methods.

Pros & Cons

Pros

• Solid phone retention and reduced bounce on uneven roads due to sturdy construction and the StickySleeve.
• Very easy to install and adjust; the included separation tool helps dial in a snug fit for different cup holders.
• Open access design lets you charge and use the phone for GPS without removing it from the mount.
• Fits a broad range of phone sizes and works across cars, trucks, SUVs, boats and RVs.

Cons

• Fit in some vehicles can be mixed; occasional shimming or base adjustment may be needed to achieve a perfectly snug cup holder fit.
• Billet aluminum knob upgrade is sold separately if you want the premium metal hardware upgrade.

Specifications

Brand	WeatherTech
Compatibility	Phones 2.37 in to 3.37 in wide, up to 0.56 in deep (includes large modern phones)
Mount type	Cup holder phone mount
Included accessories	Interchangeable base cups and separation tool, StickySleeve
Adjustments	Tilt and rotation for viewing angle
Made in	USA
Warranty	Lifetime Limited Warranty

Our Verdict

The WeatherTech CupFone is a practical, well-built cup holder phone mount ideal for drivers who need a reliable, portable solution for large phones and multi-vehicle use. It delivers solid retention, simple installation, and open charging access, making it good value for anyone who prefers a non-permanent mount that stays secure on everyday roads.

Frequently Asked Questions

Will my large smartphone fit?
Yes. The CupFone fits most phones from 2.37 in to 3.37 in wide and up to 0.56 in deep, including many current flagship models.

Can I charge the phone while it is mounted?
Yes. The open access design allows cables to be connected while the phone is in the holder.

Is it easy to move between vehicles?
Yes. The interchangeable base cups and simple insert-and-rotate installation make it straightforward to transfer between cars, trucks, boats or RVs.