Today’s mobile devices are more powerful than ever, and for filmmakers who want to take full advantage of that power, having the right tools is essential. At Beastgrip we’ve always believed that mobile filmmaking deserves the same level of support and innovation as traditional cameras and that’s exactly what inspired us to create the BeastMod Cage.
Developed in response to extensive feedback from industry professionals, the BeastMod Cage is our most advanced and standardized rigging solution yet. It’s designed for creators who demand more: more stability, more flexibility and more compatibility with professional tools. Built as an upgrade for our Beastcages for the iPhone 16 Pro and 16 Pro Max it’s also designed with future compatibility in mind.
Whether you're a content creator, working in a studio, or on set for a major production, the BeastMod Cage provides the perfect foundation to build your rig. It allows you to securely mount everything you need, from battery packs and monitors to transmitters and DOF systems with lenses.

Beastmod - Filmmakign Cage Upgrade
Build a custom filmmaking rig with an industry-standard foundation — the Beastmod upgrade transforms your Beastcage into a versatile base for mounting a wide range of accessories.
Shop NowAnd it isn't just theory, the BeastMod Cage has already been battle-tested in real-world productions, including the short film O₂ and projects by our friends at Strada, where it was used to support additional equipment like DOF adapters with cinema lenses, wireless video systems, and external power banks. Under intense, demanding conditions, it delivered rock-solid performance without any compromise.
Machined from durable aluminum, the BeastMod Cage features industry-standard 15mm rod support with precise camera alignment. This allows you to easily integrate matte boxes, lens supports, follow focus units, and other gear commonly found in pro-level production. In short, it lets you use the same tools and workflows as you would with traditional cinema cameras.
It also includes a detachable mounting plate with multiple tripod mounting points and dedicated mounts for ARRI BP8 and BP9 base plates, which makes it easy to mount your rig to support systems via dovetail. Standard NATO rails on both sides provide fast, secure attachment for handles and other accessories, giving you incredible flexibility when building your rig. With multiple ¼”-20 and ⅜”-16 threaded mounts and location pin slots, the Beastmod Cage offers virtually unlimited options for attaching monitors, microphones, lights, and everything else you need to bring your vision to life.
It’s built to unlock the full power of your iPhone 16 Pro and 16 Pro Max and turn it into a complete filmmaking rig. Strong, adaptable, and built to meet the demands of professional productions, the BeastMod Cage is made for creators who refuse to settle. Whether you're in a studio or out in the field, it gives you the freedom to create without limits.
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RELINQUISH - A Mystical Action Short | Shot on iPhone 16 Pro with Beastgrip 1.33X Anamorphic Lens MK2