NovyDeco
FREN
Quick start guide

NovyDeco in ten minutes

The app's home screen, then the planner icon by icon, your first dive in three steps, the logbook and the tools. Tap or hover the areas of the screenshots to read what they do.

The app's home screen

Three ways in. Tap one to jump to its part of the guide.

The app's home screen Planner ↓ Logbook ↓ Tools ↓

The planner screen

A rebreather plan at 70 m for 20 min, with the tooltip open. Every numbered area is clickable; the full list follows the screenshot.

The planner screen
All areas
  1. Open-circuit mode — The regulator icon selects open-circuit mode: OC plan and its “OC max” plan. Each dive keeps its OC and CCR settings separately.
  2. Rebreather mode (CCR) — The rebreather icon switches to CCR mode: diluent, setpoint, bail-out gases. It is lit here, the dive shown is a rebreather plan.
  3. Dive navigation — “1/1” shows the current dive and how many dives are in the series. The left arrow goes back; the “+” (or right arrow) moves to the next dive or adds one, with its surface interval.
  4. Planner settings — They apply to every dive: leading algorithm (Bühlmann or VPM-B, with the VPM-B + GFS option), units (metres or feet, bar or psi), profile bar under the chart, tooltip content and interface colours.
  5. Menu — Save the planning, reopen saved plannings, import a UDDF file, open the logbook, insert or remove a dive, edit the surface interval, reset, about.
  6. Home — Back to the app's home screen: planner, logbook, and the plan-independent tools (blends, gas factory, nitrox/trimix calculations). Language and light/dark theme are set there too.
  7. Dive tab — One tab per dive in the series (1, 2, 3…). A long press opens the dive menu: copy, rename, surface interval, insert or remove.
  8. Recap — Overview of the series: every dive with its gases, duration and deco, to check the sequence and surface intervals.
  9. Compare — Overlays several dives on one chart and generates gradient-factor variants to visualise their effect on deco.
  10. CCR plan — The rebreather plan as programmed: 20 min bottom time here. The selected chip is the one whose profile is displayed.
  11. BO plan (bail-out) — The open-circuit ascent on the bail-out gases if the loop is abandoned at the end of the planned bottom time.
  12. CCR max — Maximum bottom time on the loop within your limits (gas, CNS, OTU, reserve). Answers “how far can I extend?”.
  13. BO max — Maximum bottom time for which the bail-out gases are still enough to ascend. If BO max is shorter than the CCR plan, shorten the dive or carry more gas.
  14. Model and conditions — At the top of the summary card: the model and its gradient factors (Bühlmann · GF 50/75) or the VPM-B conservatism, altitude and water type. Tap it to change the gradient factors, bail-out ones included.
  15. Plan summary — Total time (bottom + ascent), TTS (time to surface from the end of the bottom phase), maximum depth and bottom time of the plan shown.
  16. Icon bar — The nine actions on the dive, each named under its icon: settings, segments, gas, recalc, runtime, PDF, curves, computer, reset. Each icon is detailed in the next section.
  17. Dive profile — Depth over time (left scale), cylinder pressure (right scale, in bar). The coloured gradient shows the ceilings of the 16 compartments: as long as the line stays below the ceiling, the ascent is allowed. Pinch to zoom, press and hold to open the tooltip.
  18. Tooltip — Appears when touching the profile and follows your finger: time, depth, ceiling, current GF, speed, loop composition, NDL, CNS, OTU, computed and diluent ppO₂, ppN₂, and the tissue bar graph. Its contents can be customised in the settings.
  19. Display toggles — Pencil: touch editing of the profile. BO, BO MAX, CCR MAX: overlay the chosen plan on the one shown. VPM (or Buhl.): overlay the other model. Tooltip: turn it on. Tissues: bar chart type in the tooltip. A toggle that is on is highlighted; off, its name is struck through.
  20. Resize handle — Drag the triangle downwards to enlarge the chart.
  21. Ascent simulation — Linked to the tooltip: if you ascended from the touched point (“From 19.3 m”), here are the total time, TTS, elapsed bottom time and first-stop depth. On the loop in CCR, or on bail-out depending on the displayed plan.
  22. Stops — Expand for the list of stops: depth, duration, extend a stop.

The icon bar

Nine actions on the dive, each named under its icon: what you set, what you compute and consult, the computer, and at the very end the reset.

The icon bar

Set

01

Dive settings

Everything that drives the computation: gradient factors, conservatism VPM, bottom / deco / surface ppO₂, consumption rates, speeds, last-stop depth, altitude, water type...

02

Edit segments

The profile step by step: depth and duration of each segment, intermediate descents and ascents, multi-level profiles.

03

Edit a gas

Mix (O₂ / He), cylinder volume and pressure, diluent or bail-out usage. With several gases, a list asks which one to edit, or adds one.

Compute and export

04

Recompute

Runs the computation of this dive again after a change of setting, segment or gas. Usefull if automatic recompute fails.

05

Runtime

The plan as a table: depth, duration, run time, gas, ppO₂, END, CNS and OTU for every line.

06

Export to PDF

Generates a PDF of the dive (profile, runtime, gases) to print or share.

Consult

07

Curves and ceilings

Expands the curve selector: per-compartment ceilings, Bühlmann or VPM profile and ceilings, M-values, gases.

Simulate

08

Dive computer

Starts the simulator: the plan is replayed minute by minute like on a computer screen (depth, stop, TTS, ppO₂, tissues).

Clear

09

Reset

Clears the whole planning (dives, segments, gases, computation settings) after confirmation.

The display toggles

Under the chart, seven toggles set what is drawn: editing, overlaid plans, the tooltip and its bar chart. When on, a toggle is highlighted; when off, its name is struck through.

The display toggles

Edit

01

Profile editing

Enables touch editing of the profile: move the key points of the line; the + and − buttons add or remove a point.

Overlay a plan

02

Overlay the BO plan

Draws the bail-out plan over the displayed CCR plan: you see where the open-circuit ascent goes compared with the loop. One click overlays the BO plan; a second click makes it the primary view (showing the tooltip and dive summary for the BO plan).

03

Overlay BO max

Overlays the BO max plan: how much the bottom time would have to be shortened for the bail-out gases to be enough. One click overlays the BO max plan; a second click makes it the primary view (showing the tooltip and dive summary for the BO max plan).

04

Overlay CCR max

Overlays the CCR max plan: the longest possible dive on the loop within your limits. One click overlays the CCR max plan; a second click makes it the primary view (showing the tooltip and dive summary for the CCR max plan).

05

Overlay the other model

Shows VPM-B over Bühlmann (or the reverse, depending on the leading model). The small V / B buttons pick which one drives the tooltip and the summary card. A greyed button means the companion plan is not computed or the combination is excluded.

Tooltip

06

Tooltip

Enables or disables the tooltip that follows your finger on the line.

07

Bar graph

Picks the bar graph drawn inside the tooltip: tissues, tissues / ambient pressure, or none.

Configure your first dive

Three steps are enough for a first complete plan. The example is on a rebreather; on open circuit the dialog is the same without the setpoint.

  1. Step 1: rebreather mode, no plan yet
    Step 1: rebreather mode, no plan yet

    Pick the mode and open the dialog

    Select the cylinder (open circuit) or the mask (rebreather) at the top left. While no plan exists, the screen shows “No result”. Tap the orange Configure the dive button.

  2. Step 2: the Configure the dive dialog
    Step 2: the Configure the dive dialog

    Describe the dive, let NovyDeco propose the gases

    Depth and duration of the bottom segment, loop setpoint, number of gases, last gas-switch depth, bottom-to-travel switch ppO₂ and target END. The top frame summarises the proposed mixes (diluent and bail-outs) with their ppO₂ at the switch depths. The settings button at the end of each line opens the gas to adjust it; the Trimix and “The diluent is the 1st BO” switches complete the choice. Validate starts the computation.

  3. Step 3: the computed plan
    Step 3: the computed plan

    Read the plan

    The profile appears with the staircase of stops and the coloured ceilings. The chips give the CCR plan, the bail-out plan and the “max” variants; the card gives the model and its GF, then total time, TTS, maximum depth and bottom time. Expand Stops for the list, or Advanced segments and gases to refine segment by segment.

The logbook

Your dives, sorted by year and trip, with their full profile. A few features are worth a look.

Years and trips

Years and trips

Each trip folds down to its dates, duration and maximum depth; search covers sites, buddies, notes and mode.

Bluetooth import

Bluetooth import

Shearwater computers (Perdix, Petrel, Teric…) are read directly, and many other computers through libdivecomputer. You can fetch only the recent dives.

The dive record

The dive record

Profile, ceilings recomputed at the GF of your choice, loop ppO₂, temperature, toxicity. “Measure” brackets part of the profile to read its duration and speed.

Send to the planner

Send to the planner

The Planner button, at the bottom of the record, takes a real dive as the starting point of a new plan.

The profile becomes a plan

The profile becomes a plan

Pick the detail and the setpoint: the dive's segments and gases replace the planner's, ready to be edited.

The world map

The world map

All your located sites, grouped by area; a site without coordinates is placed by hand, from the phone's position or with an OpenStreetMap search.

The tools

Plan-independent calculations to prepare your gases.

Six tools

Six tools

Real consumption (SAC) measured on a dive, best mix for a depth, ideal gases for a whole profile, maximum depth of a nitrox, the mix factory, and gas top-up: a cylinder topped up with another one or a specific gas, with the resulting mix at each step.

Best mix

Best mix

Give the depth and the ppO₂ limit, and, with helium, the END you want: NovyDeco suggests the mix.

Mix factory

Mix factory

From what is in the cylinder to the mix you want: the filling steps, in the order of the available gases, and the price of the mix.

Going further

The gestures you cannot guess. This chapter will grow with each version.

Long press on a dive tab

Long press on a dive tab

  • Copy this dive, for instance to a new dive.
  • Rename this dive.
  • Insert or remove a dive in the series.
  • The surface interval is edited from the ☰ menu, as soon as a dive follows another.
Long press on a logbook dive

Long press on a logbook dive

  • Enters selection mode (counter at the top, cross to leave); the ⋮ menu acts on the selection.
  • Delete the dive, renumber it, move it to another trip.
  • Insert a dive after this one (the following ones are renumbered).
The profile tooltip

The profile tooltip

  • Press and hold on the line, then drag: the tooltip follows your finger with time, depth, ceiling, current GF, speed, loop composition, NDL, CNS, OTU, ppO₂ and ppN₂.
  • The bar graph shows the loading of the 16 compartments; the Tissues toggle under the chart picks tissues, tissues / ambient pressure, or none. The Tooltip toggle enables or disables it.
  • The Ascent simulation card under the chart gives the TTS and the first stop if you ascended from the touched point.
  • In the planner settings (gear icon), Customize tooltip picks the lines shown (density, gas pressures, TTS…).

Ready to plan?

Install NovyDeco and enjoy a 10-day trial with every feature.

Get it on Google Play Download on the App Store