# Ocean Aquarium HD vs KATABELLS

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.

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.

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.

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.

## The numbers

| Metric | Ocean Aquarium HD | KATABELLS |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/ocean-aquarium-hd/id1141415093/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/katabells/id6444698887/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 222 MB | 91 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Edgeway Software](https://appshunter.io/developer/642669303) | [Stephen Clarke](https://appshunter.io/developer/1656220514) |

## What reviewers say

### Ocean Aquarium HD

[App page](https://appshunter.io/ios/app/ocean-aquarium-hd/id1141415093)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### KATABELLS

[App page](https://appshunter.io/ios/app/katabells/id6444698887)

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:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $9.00 | per month |
| SPP Half Price | $45.00 | per month |
| Spiritual-Physical | $89.00 | per month |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*