Comparison

Deco Junk vs Caveradar

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

Head to head
About

Deco Junk

Features
Read full description

CCR Junk is the decompression planner built specifically for rebreather divers. No tab-switching, no buried menus, no nonsense. Just one powerful screen with every variable you need to plan your dive. Created by CCR divers who were tired of clunky interfaces and planners that treat rebreathers as an afterthought, CCR Junk puts closed-circuit diving first. Plan any CCR dive From recreational rebreather dives to complex cave penetrations with multiple bailout scenarios — CCR Junk handles it all. Multi-level profiles, extended ranges, whatever your dive demands. Algorithms you trust Choose between Bühlmann ZHL-16C with configurable gradient factors or VPM-B. Switch between them instantly to compare profiles and pick your preferred conservatism. True CCR planning Full setpoint management throughout your dive. Track your scrubber time and know exactly where you stand. Plan with the variables that actually matter for rebreather diving. Breathe easy Real-time gas density calculations for every phase of your dive. Know exactly when you're approaching the recommended limits and plan your diluent choice accordingly. Because work of breathing matters. Bailout planning that works Plan realistic bailout scenarios for cave and overhead environments. Configure multiple bailout gases, see your gas requirements, and know you have a solid plan B. Works anywhere No internet required. Plan your dives on the boat, at the dive site, or in the middle of nowhere. Your dive data stays on your device. One screen philosophy Everything visible, everything accessible. Adjust a parameter and instantly see how it affects your profile. No switching between pages, no lost context. This is CCR dive planning the way it should be.

About

Caveradar

Plan cave dives with detailed condition reports, weather context, and directions. Access key information offline and find local instructors and dive centers. Contribute reports to keep conditions up-to-date for other divers.

Highlights
  • Recent cave condition reports
  • Weather context for dive sites
  • Driving directions and access info
  • Offline caching of key data
  • Partner listings for instructors/centers
  • Fast, dropdown-only report contribution
Features
Read full description

Caveradar. Know before you dive. Plan your cave dives with confidence using recent, structured condition reports — plus weather context and directions — whether you're planning tomorrows' dive in Florida, next weeks' dives in Mexico or next years' trip to France. What you get: • Recent cave-condition reports: visibility + flow + hazards (structured, easy to compare) • Weather context for every site • Driving directions + access context to simplify planning • Offline caching: key info stays available at the site even with weak signal • Partner listings in-app: find endorsed instructors and dive centers Contribute (fast, no noise): • Add a report in seconds using dropdown-only inputs - no typing • Every report helps keep conditions fresh for the next team Coverage: • France: Lot, Hérault, Ardèche and Doubs (new addition!) • Germany: nationwide coverage • Switzerland • Italy: most regions (expanding) • UK: some caves, expanding • USA: Florida • Mexico: Quintana Roo • Norway • Sweden • Finland • New Zealand • Australia • Spain (new addition!) Built for cave divers, by cave divers. Important: The information presented on this platform is not a substitute for proper cave diving training, certification, personal site assessment, or professional guidance.

Screenshots

Deco Junk4 screens
Caveradar4 screens

Verdict

The call

The clearest difference is price: Caveradar at Free against Deco Junk's $8.99. Deco Junk's advantage is in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement 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

Caveradar is free to download; Deco Junk costs $8.99 up front. Caveradar sells 1 in-app purchase, starting at $1.99 per month. Deco Junk asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. Both last shipped on November 9, 2026.

Scorecard2 real differences · 7 level
Deco Junk versus Caveradar: the parameters behind the verdict, then further details
ParameterDeco JunkCaveradar
Price$8.99Free — better
Rating—1.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size22 MB43 MB
Age rating17+4+
DeveloperRogier VisserHarald Franzen

In-app purchases

None

Deco Junk

No in-app purchases

1 purchases

Caveradar

Subscriptions1
  • Caveradar Premium$1.991 Month

Questions

Is Deco Junk free?
Deco Junk costs $8.99, with no in-app purchases.
Is Caveradar free?
Caveradar is free to download, with in-app purchases available.
Do Deco Junk or Caveradar have ads?
Neither Deco Junk nor Caveradar shows ads.
Which is updated more often, Deco Junk or Caveradar?
Deco Junk ships an update weekly, and Caveradar weekly. Most recently, Deco Junk was updated on November 9, 2026 and Caveradar on November 9, 2026.

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