LoopLogic
In developmentCCR operations & analytics
A comprehensive companion for closed-circuit rebreather divers. Covers pre-dive checklists, O₂ cell linearity testing, cell health analytics, and scrubber tracking — all offline-first, all in one place. Actively in development — approaching early testing.
Android — iOS & more coming soon
Who it's for
CCR divers who are done duct-taping spreadsheets and paper logs together.
If you're running a Sidewinder, JJ-CCR, rEvo, AP, or any other unit and want a single offline-first place to verify your gear, track cell health over time, and know your scrubber state before every dive — this is built for you.
Supported units
What's inside
Smart checklists
Unit-specific pre-dive checklists for Sidewinder, JJ-CCR, rEvo, AP, and more. Mandatory verification steps with timestamp logging — no step can be skipped.
Cell health analytics
Track O₂ cell voltage, linearity, and age over time. Visualize millivolt drift to predict cell failure before it becomes a problem underwater.
Scrubber tracking
Monitor absorbent usage and time remaining based on manufacturer-specific duration charts. Know your scrubber state before every dive.
Offline-first
All records stay on-device. No account, no cloud dependency — works on the dive deck with no signal.
No account required
Nothing to sign up for. Open the app and start logging.
Offline-first
All data stays on your device. Works on the dive deck with zero signal.
Quality gates enforced
98% test coverage required. Spotless, Detekt, and lint run on every push — nothing ships broken.
Development progress
Core features shipped
Checklists, cell analytics, scrubber tracking, and dashboard all complete.
Dive authorization engine
Real-time go/no-go status derived from cell health and checklist state.
Accessibility audit complete
Full TalkBack support across all screens — usable with gloves or in low visibility.
98% test coverage enforced
CI quality gate runs on every push. No regressions ship without detection.
KMP foundation in place
Platform abstraction layer laid for future iOS and web targets.
Up next
Bühlmann deco engine
ZHL-16C decompression model with configurable Gradient Factors.
Gas math calculators
CNS, OTU, and Best Mix based on target setpoint.
Dive-deck UI mode
High-contrast, glove-friendly interface optimised for use at the water's edge.
iOS & more
KMP groundwork is done — non-Android targets are the next platform milestone.
Life support notice: LoopLogic is a supplemental tool for dive planning and equipment tracking. It is not a dive computer and should never be used as a primary life-support instrument. Always cross-verify with manufacturer-approved tables or computers.
Interested in beta testing?
LoopLogic is approaching early testing. If you're a CCR diver who wants to try it before public release, get in touch.
