Comparison

Ocean Aquarium HD vs KATABELLS

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

Head to head
About

Ocean Aquarium HD

Immerse yourself in serene underwater environments with vibrant fish, sharks, and stingrays. Customize your experience with adjustable audio settings and a convenient sleep timer for ultimate relaxation.

Highlights
  • Colorful fish, sharks, and stingrays
  • Multiple aquarium scenes
  • Customizable audio settings
  • Sleep timer functionality
  • HD visuals for TV, tablet, and phone
Features
Read full description

Ocean Aquarium HD for your TV, Tablet and Phone featuring colorful fish, sharks and stingrays. Ocean Aquarium HD features multiple aquariums. Settings allow you to customize audio, you can also set a sleep timer. Music courtesy of www.incompetech.com

About

KATABELLS

Experience movement meditation with a kettlebell. This app offers flowing sequences of swings, cleans, presses, and squats to quiet the mind, find rhythm, and become present. It provides guided flows from foundational to advanced, suitable for all experience levels.

Highlights
  • Movement meditation with kettlebell flows
  • Guided workouts for all levels
  • Focus on rhythmic, continuous movement
  • Builds strength, coordination, and balance
  • Efficient 20-30 minute sessions
  • Full-body conditioning
Features
Read full description

Katabells — Movement Meditation with a Kettlebell Katabells is more than a fitness app. It’s a different way to experience movement. At its heart, Katabells is movement meditation — with a kettlebell. When you pick up a kettlebell and move through a flowing sequence of swings, cleans, presses, and squats, something powerful happens. Your mind quiets. Your breathing finds rhythm. Your body moves with purpose. The outside world fades away and you become fully present in the moment. This is the essence of Katabells. Unlike traditional workouts that feel mechanical, kettlebell flow training creates a continuous, rhythmic experience. Movements connect seamlessly, one flowing into the next. Strength, coordination, and balance work together. Instead of counting reps or watching the clock, you settle into the movement itself. It’s training that sharpens both body and mind. Each flow challenges your focus and coordination while your body works. The kettlebell becomes an anchor for attention, pulling you away from distraction and into the present. The result feels less like exercise and more like moving meditation — a rare moment in the day where stress fades and clarity takes its place. Kettlebell training is one of the most efficient forms of strength and conditioning available. With a single piece of equipment you can build full-body strength, improve cardiovascular fitness, increase mobility, and develop strong, functional movement patterns that carry into everyday life. Katabells harnesses that power and keeps it simple. Inside the app you’ll find carefully designed flows and workouts that guide you from foundational movements to more advanced sequences. Beginners can start with simple combinations that teach the fundamentals — learning how to hinge, swing, squat, and press safely and effectively. As confidence grows, those movements evolve into longer flows that challenge coordination, endurance, and focus. For experienced lifters, Katabells becomes a tool for mastery. Complex flows create dynamic workouts that demand precision, timing, and strength. Each session is an opportunity to refine technique, deepen concentration, and push your physical limits in a way that remains fluid and engaging. Katabells is also built for real life. You don’t need a full gym or long training sessions. Many workouts take just 20-30 minutes, yet deliver powerful results thanks to the full-body nature of kettlebell movement. One kettlebell. A small space. A focused block of time. That’s all you need. Over time, something remarkable happens. Movements that once felt awkward begin to flow naturally. Your body becomes stronger, more resilient, and more capable. And training begins to feel less like a task and more like a moment to reset and refocus. Katabells creates a space where strength, focus, and movement come together. Welcome to Katabells — where strength flows. INFORMATION ABOUT THE APP By signing up, you will get access to subscription(s) that include features such as progress tracking, and offline sync, available to subscribe free of charge. The download of KATABELLS is free of charge. Read our full Terms of Service and our Privacy Policy: https://passion.io/terms-of-service https://passion.io/privacy-policy

Screenshots

Ocean Aquarium HD3 screens
KATABELLS3 screens

Verdict

The call

The clearest difference is price: KATABELLS at Free against Ocean Aquarium HD's $1.99. KATABELLS also leads on update cadence (every 5 weeks vs every 5 months). Ocean Aquarium HD's advantage is in-app purchases (none vs 3) and ads (none vs shown). On rating, ratings volume 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

KATABELLS is free to download; Ocean Aquarium HD costs $1.99 up front. KATABELLS sells 3 in-app purchases, starting at $9.00 per month. Ocean Aquarium HD asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Ocean Aquarium HD against 5.0 for KATABELLS. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Ocean Aquarium HD ships an update every 5 months, KATABELLS every 5 weeks. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Ocean Aquarium HD versus KATABELLS: the parameters behind the verdict, then further details
ParameterOcean Aquarium HDKATABELLS
Price$1.99Free — better
Rating5.0 (1 ratings)5.0 (2 ratings)
Positive reviews—100.0% of reviews
Number of ratings12 — better
Update frequencyEvery 5 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod, Apple TV — betteriPhone, iPad, iPod
Requires iOS11.0 — better15.1
Further details — not scored
Size222 MB91 MB
Age rating4+4+
DeveloperEdgeway SoftwareStephen Clarke

Customer experience

Ocean Aquarium HD

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

KATABELLS

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Ocean Aquarium HD

No in-app purchases

3 purchases

KATABELLS

Subscriptions3
  • Subscription$9.001 Month
  • SPP Half Price$45.001 Month
  • Spiritual-Physical$89.001 Month

Questions

Is Ocean Aquarium HD free?
Ocean Aquarium HD costs $1.99, with no in-app purchases.
Is KATABELLS free?
KATABELLS is free to download, with in-app purchases available.
Which has better reviews, Ocean Aquarium HD or KATABELLS?
Ocean Aquarium HD and KATABELLS are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do Ocean Aquarium HD or KATABELLS have ads?
KATABELLS shows ads; Ocean Aquarium HD does not.
Which is updated more often, Ocean Aquarium HD or KATABELLS?
Ocean Aquarium HD ships an update every 5 months, and KATABELLS every 5 weeks. Most recently, Ocean Aquarium HD was updated on November 4, 2026 and KATABELLS on November 3, 2026.

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