Comparison

iDeco Pro vs SUEX Calypso

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iDeco Pro

This app is a comprehensive dive planner for technical divers, supporting both open circuit and closed-circuit rebreather (CCR) diving. It calculates decompression stops, gas usage, CNS and OTU exposure, and surface intervals. The app also includes a gas mixer for planning custom gas blends.

Highlights
  • Open Circuit and CCR dive planning
  • Decompression stop calculation
  • Gas usage and CNS/OTU tracking
  • Surface interval tracking
  • Gas fill/mixer functionality
  • Bailout planning for overhead environments
  • Configurable settings within the app
Features
Read full description

A complete multiple dive / multi-level dive planner for the technical diver. Includes support for Open Circuit Diving as well as Closed Circuit Rebreathers (CCR). Includes decompression stops, gas usage, CNS tracking, OTU tracking, Surface Interval tracking and many other features. Currently implements the Buhlmann ZHL16/C with Erik Baker's GF algorithm. Open Circuit - Scuba : Supports Air to TriMix (any combination of O2/He/N2), with an unlimited number of decompression gases. Includes Thirds support for planning dives. Closed Circuit (CCR): Supports any O2/He/N2 combination for diluent. Automatically generates bailout plans based on entry of bailout gases. Features a Cave/Wreck bailout option for overhead environment bailouts and gas planning. Gas Fill/Mixer: Allows for filling of Air, Nitrox and Trimix via a simple, easy to use interface. All settings are configurable via the iPhone Settings. Supports US Imperial and Metric iDeco Pro vs. iDeco Pro has many features and improvements to make dive planning even easier. 1) Fully revamped user experience 2) Settings can now be changed in the app. 3) My Gases - Allows you to have a list of the 50 most used gases. Works for the dive phase, deco phase and bailout. 4) New runtime display. 5) Added much higher pressure support for mixing. 6) Superior email support - You can now view, edit and cc others on your plans. 7) Many, many more small features added. 8) Future support for many more decompression algorithms.

About

SUEX Calypso

Connect with your diving equipment to access essential data before and after dives. Monitor equipment performance and configure parameters for a more enjoyable underwater experience.

Highlights
  • Connect with diving equipment
  • Instant access to dive data
  • Monitor equipment performance
  • Configure dive parameters
  • Enhance diving adventures
Features
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This application has been developed to: - Stay connected with your Suex diving equipment - Have instant access to your essential data before and after the dive - Monitor the performance status of your Suex equipment - Configure the basic parameters before any dive - Have even more fun during your diving adventures

Screenshots

iDeco Pro4 screens
SUEX Calypso4 screens

Verdict

The call

The clearest difference is review sentiment: iDeco Pro at 52% against SUEX Calypso's 0%. iDeco Pro also leads on iOS requirement (7.0 vs 15.6). SUEX Calypso's advantage is price (Free vs $8.99) and update cadence (every 3 months vs every 18 months). On ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

SUEX Calypso is free to download; iDeco Pro costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iDeco Pro ships an update every 18 months, SUEX Calypso every 3 months. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

Scorecard5 real differences · 5 level
iDeco Pro versus SUEX Calypso: the parameters behind the verdict, then further details
ParameteriDeco ProSUEX Calypso
Price$8.99Free — better
Rating3.9 (10 ratings) — better—
Positive reviews52.0% of reviews — better0.0% of reviews
Number of ratings10 — better—
Update frequencyEvery 18 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS7.0 — better15.6
Further details — not scored
Size3 MB57 MB
Age rating4+4+
DeveloperB2 Prototech LLCSUEX SRL

Customer experience

iDeco Pro

All ratings10 ratings
Positive70.0%
Neutral10.0%
Negative20.0%
Written reviews100 reviews
Positive52.0%
Neutral17.0%
Negative31.0%

SUEX Calypso

Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

iDeco Pro

No in-app purchases

None

SUEX Calypso

No in-app purchases

Questions

Is iDeco Pro free?
iDeco Pro costs $8.99, with no in-app purchases.
Is SUEX Calypso free?
SUEX Calypso is free to download, with no in-app purchases.
Do iDeco Pro or SUEX Calypso have ads?
Neither iDeco Pro nor SUEX Calypso shows ads.
Which is updated more often, iDeco Pro or SUEX Calypso?
iDeco Pro ships an update every 18 months, and SUEX Calypso every 3 months. Most recently, iDeco Pro was updated on October 31, 2026 and SUEX Calypso on October 25, 2026.

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