Comparison

GhostNetZero vs Claud

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

Head to head
About

GhostNetZero

Read full description

Help us in the search for ghost nets! With the GhostDiver app, you as an experienced diver can check already reported positions of lost fishing gear and thus make an important contribution to clean seas and a healthy underwater landscape. Professional divers are in place for an optimal and efficient recovery! The app shows you potential positions of ghost nets on a map. With your support we will find out, whether the find really is a ghost net! Dive at the location and verify the position. With this important information, the recovery of lost fishing gear can be optimally prepared and the nets recovered by specially trained divers. You have discovered a ghost net yourself? Report your find in the GhostDiver app and thereby make it accessible to our recovery divers. HOW THE APP WORKS: The app shows you potential ghost net locations on a map. These points were determined using a sonar device, which maps the seafloor. Save interesting points in the app and use the route function to plan your next dive. The routes can be exported as .gpx files. The app provides you with the exact position, a calculated dive depth, and the sonar image, so you are perfectly prepared for your dive. Use the report function to share your own finds. In the profile section you can learn everything about the WWF mission and the technology employed. ATTENTION: The app is only for confirming potential ghost net locations and reporting your own finds. Dive only according to your skills and use the positions shown on the map only to verify them. Recovery is done by professional divers with appropriate equipment and a recovery boat! IMPORTANT FUNCTIONS: - Verification of potential positions - Report function: reporting of new positions and own sightings - Favorites: Save potential positions in the memo - Route: planning of dive route to visit potential positions - .gpx export: downloading of route as .gpx for dive computer - Language: English, German, Polish, French and Spanish WWF GhostDiver - Help us to free our oceans from ghost nets!

About

Claud

Features
Read full description

Track your carbon footprint in seconds — free. Log trips, meals and energy, see your weekly CO₂, and meet Claud: a friendly cloud that thrives when you make greener choices. Free forever • Log driving, flights, public transport, food, home energy, walking, cycling, tree planting and recycling • See your weekly CO₂ consumption vs. compensation at a glance • Set a weekly CO₂ budget and keep a daily logging streak • Sync steps and walking distance from Apple Health • Log hands-free with Siri and Shortcuts, plus daily reminders • Share your stats with friends Claud+ unlocks • Trip planner: compare walking, cycling, transit and driving with the CO₂ of every route • Smart tips with real kg CO₂ savings based on your own data • Weekly trends and your complete color-coded activity calendar • 7-day weather and air forecast to plan your greenest days • Custom activities, alternate app icons and a Home you can rearrange Claud+ is available as an auto-renewing yearly subscription (with a free trial for eligible new subscribers), a monthly subscription, or a one-time lifetime purchase (also for Family Sharing). Payment is charged to your Apple Account. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period; manage or cancel anytime in Settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://giusscos.com/work/claud/privacy/ Start your greener routine today — Claud is cheering you on.

Screenshots

GhostNetZero4 screens
Claud4 screens

Verdict

The call

The clearest difference is in-app purchases: GhostNetZero at none against Claud's 5. GhostNetZero also leads on iOS requirement (14.0 vs 18.5). Claud's advantage is update cadence (every 9 days vs every 4 months). On price, ads 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

Both are free to download. Claud sells 5 in-app purchases, starting at $2.99 per month. GhostNetZero asks for nothing beyond the download.

UpkeepUpdate frequency

GhostNetZero ships an update every 4 months, Claud every 9 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 3 level
GhostNetZero versus Claud: the parameters behind the verdict, then further details
ParameterGhostNetZeroClaud
PriceFreeFree
Update frequencyEvery 4 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS14.0 — better18.5
Further details — not scored
Size69 MB4 MB
Age rating4+4+
DeveloperWWF DeutschlandGiuseppe Pio Cosenza

In-app purchases

None

GhostNetZero

No in-app purchases

5 purchases

Claud

Subscriptions3
  • Claud+$2.991 Month
  • Claud+$4.997 Days
  • Claud+7 Days trial$19.991 Year
One-time2
  • Claud CO2 Lifetime$34.99
  • Claud CO2 Family Lifetime$59.99

Questions

Is GhostNetZero free?
GhostNetZero is free to download, with no in-app purchases.
Is Claud free?
Claud is free to download, with in-app purchases available.
Do GhostNetZero or Claud have ads?
Neither GhostNetZero nor Claud shows ads.
Which is updated more often, GhostNetZero or Claud?
GhostNetZero ships an update every 4 months, and Claud every 9 days. Most recently, GhostNetZero was updated on November 3, 2026 and Claud on October 30, 2026.

Other comparisons