Comparison

Marla Blue vs DiveGenius

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

Head to head
About

Marla Blue

Plan your next underwater adventure with detailed marine weather forecasts. Get AI-powered visibility predictions, swell, wind, tide, and temperature data for over 800 dive spots. Receive algae bloom alerts and real-time viz reports from a community of divers.

Highlights
  • Underwater visibility forecasts (AI & satellite)
  • Swell, wind, tides, water temperature
  • Algae bloom alerts
  • Real-time viz reports from divers
  • 800+ dive spots (UK, Ireland, Australia, California)
  • Map-based spot selection
Features
Read full description

Dive smarter with Marla, the ultimate marine weather app for divers! Whether you’re a scuba diver, freediver, spearo or snorkeler, Marla gives you everything you need to plan your next underwater adventure. Check among 1500+ dive spots across the UK, Ireland, Australia, New Zealand, South Africa & California or tap anywhere on the map to get: - Underwater visibility forecasts powered by AI and satellite data - Swell, wind, tides, water temperature & wave conditions - Algae bloom alerts - Real-time viz reports and photos from the growing community of local divers Stop guessing. Download Marla and dive with clarity. Learn more: https://www.marla.blue/how-marla-works Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://marla.blue/privacy

About

DiveGenius

Get real-time dive conditions directly on your lock screen. Check visibility, surf size, water temperature, and local notes before you go diving. Make informed decisions about your dive day with quick, glanceable information.

Highlights
  • Lock screen widgets
  • Live dive reports
  • Visibility updates
  • Surf size information
  • Water temperature
  • Local dive spot notes
Features
Read full description

Tired of pulling up three different apps just to see if today’s good for diving? This puts everything you care about right on your lock screen. - Lock screen widgets with live dive reports - Visibility updates so you know if the water’s clear - Surf size so you’re not surprised by big sets - Current water temps for that first splash - Local notes from the spots you actually dive No more guessing when you’re packing gear. Just glance at your phone and know if it’s a kelp forest day or a stay on land day. It’s simple, quick, and built for divers who actually get in the water. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Marla Blue4 screens
DiveGenius2 screens

Verdict

The call

The clearest difference is review sentiment: Marla Blue at 100% against DiveGenius's 50%. Marla Blue also leads on rating (4.8 vs 3.5) and iOS requirement (16.4 vs 26.0). DiveGenius's advantage is ads (none vs shown). On price, ratings volume, update cadence and in-app purchases 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. Marla Blue sells 3 in-app purchases, starting at $9.99 per month and DiveGenius sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Marla Blue holds the better App Store score, 4.8 against 3.5. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews point the same way: 100% of Marla Blue's written reviews are positive against 50% of DiveGenius's.

UpkeepUpdate frequency

Marla Blue ships an update every 3 days, DiveGenius weekly. The most recent releases landed on October 27, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
Marla Blue versus DiveGenius: the parameters behind the verdict, then further details
ParameterMarla BlueDiveGenius
PriceFreeFree
Rating4.8 (4 ratings) — better3.5 (4 ratings)
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings44
Update frequencyEvery 3 days — betterWeekly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS16.4 — better26.0
Further details — not scored
Size94 MB313 MB
Age rating4+4+
DeveloperOcean AIBrett Roeloffs

Customer experience

Marla Blue

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

DiveGenius

All ratings4 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

3 purchases

Marla Blue

Subscriptions3
  • Marla Blue Monthly3 Days trial$9.991 Month
  • Dive Season Pass (6 months)3 Days trial$34.996 Months
  • Marla Annual Subscription7 Days trial$59.991 Year
5 purchases

DiveGenius

Subscriptions4
  • DiveGenius Pro$4.997 Days
  • DiveGenius Pro$5.991 Month
  • DiveGenius Pro$8.991 Month
Show 1 more
  • DiveGenius Pro Yearly$49.991 Year
One-time1
  • Wallpaper Pack$4.99

Questions

Is Marla Blue free?
Marla Blue is free to download, with in-app purchases available.
Is DiveGenius free?
DiveGenius is free to download, with in-app purchases available.
Which has better reviews, Marla Blue or DiveGenius?
Marla Blue is rated higher. Marla Blue averages 4.8 out of 5 from 4 ratings, while DiveGenius averages 3.5 from 4 ratings.
Do Marla Blue or DiveGenius have ads?
Marla Blue shows ads; DiveGenius does not.
Which is updated more often, Marla Blue or DiveGenius?
Marla Blue ships an update every 3 days, and DiveGenius weekly. Most recently, Marla Blue was updated on October 27, 2026 and DiveGenius on October 7, 2026.

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