# KATOA vs Mimic Shape Lab

The clearest difference is in-app purchases: Mimic Shape Lab at none against KATOA's 6. Mimic Shape Lab also leads on update cadence (every 4 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. KATOA sells 6 one-off in-app purchases. Mimic Shape Lab asks for nothing beyond the download.

KATOA ships an update monthly, Mimic Shape Lab every 4 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | KATOA | Mimic Shape Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (118 ratings)](https://appshunter.io/ios/app/katoa-oceans/id1618026462/reviews)** | — |
| Number of ratings | **118** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 570 MB | 7 MB |
| Requires iOS | 16.0 | **15** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sankari Studios, Inc.](https://appshunter.io/developer/1564763138) | [炯翔 童](https://appshunter.io/developer/1891807426) |

## What reviewers say

### KATOA

[App page](https://appshunter.io/ios/app/katoa-oceans/id1618026462)

Defend the oceans by building vibrant underwater habitats and battling pollution. Play to earn real money that funds global environmental projects. Discover marine life, restore ecosystems, and become an ocean defender.

**Highlights:** Earn real money for environmental projects, Build underwater habitats, Discover and bond with sea creatures, Defeat pollution-based enemies, Explore ocean biomes, Design custom havens

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Handful of Stars | $0.99 | one-time |
| Bunch of Stars | $4.99 | one-time |
| Pile of Stars | $9.99 | one-time |
| Bag of Stars | $19.99 | one-time |
| Barrel of Stars | $39.99 | one-time |
| Chest of Stars | $79.99 | one-time |

**What reviewers like**

- 🌊 Beautiful ocean visuals
- 🐠 Cute and diverse aquatic fauna
- 🌱 Relaxing gameplay loop
- 🌍 Supports environmental causes
- 🎨 Gorgeous art style

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- ⏱️ Slow progression and unlock process
- 🔁 Repetitive daily quests
- 🤖 Unintuitive or unclear mechanics
- 💤 Lack of content and things to do

**Reported bugs**

- Quests and fauna getting stuck
- Inability to expand certain areas
- Graphical glitches and UI issues
- Login and loading problems
- Unresponsive or buggy controls

**Requested features**

- More unlockable areas and expansions
- Ability to rename or customize fauna
- Improved tutorial and in-game help
- Additional mini-games or activities
- Smoother combat and raid mechanics


### Mimic Shape Lab

[App page](https://appshunter.io/ios/app/mimic-shape-lab/id6761885072)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KATOA free?

KATOA is free to download, with in-app purchases available.

### Is Mimic Shape Lab free?

Mimic Shape Lab is free to download, with no in-app purchases.

### Do KATOA or Mimic Shape Lab have ads?

Neither KATOA nor Mimic Shape Lab shows ads.

### Which is updated more often, KATOA or Mimic Shape Lab?

KATOA ships an update monthly, and Mimic Shape Lab every 4 days. Most recently, KATOA was updated on October 24, 2026 and Mimic Shape Lab on October 10, 2026.

---

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