The gas blending app you've been waiting for.
No more juggling separate analysers, pressure gauges and apps. BlendJunk brings everything together in one intuitive interface so you can blend faster, more accurately and with less hassle.
Or pre-order the pressure sensor
See how quickly and easily you go from analysis to blend — explained in one minute.

No more app switching to check how many bars of helium to add. Current blend values appear directly on your lockscreen so you can keep your full attention on the cylinder.
Choose your target mix or enter a custom recipe — BlendJunk instantly calculates how much O₂, He and air you need to add. For Nitrox, Trimix and everything in between.

BlendJunk works smoothly with the equipment you already have.
Direct Bluetooth connection — analysis values appear automatically in your blend view.
Advanced gas analysis linked directly to your blending workflow.
Print recipe and MOD labels straight from the app, ready to go on the cylinder.

Same app, all mixes — recreational to technical.

EAN32, EAN36 or custom: one tap and you know exactly what to add.

10/70, 18/45 or custom recipe with safety checks on target O₂.
Get real-time cylinder pressure in the app — no gauge needed.
Delivery by end of July 2026 at the latest. Email us for the full details and to place your order.
Send reservation emailsupport@divejunk.com
The BlendJunk app is free for iOS and Android.
DiveJunk — built by divers, for divers.