# Humpback Whale vs Reef Defender

The clearest difference is price: Reef Defender at Free against Humpback Whale's $0.99. Reef Defender also leads on rating (5.0 vs 4.7). Humpback Whale's advantage is update cadence (every 5 months vs every 54 months) and device support (3 vs 1). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

Reef Defender is free to download; Humpback Whale costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Reef Defender holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Humpback Whale ships an update every 5 months, Reef Defender every 54 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Humpback Whale | Reef Defender |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/humpback-whale/id456226993/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/reef-defender/id657761952/reviews)** |
| Number of ratings | 3 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 54 months |
| Monetization | Paid | **Free** |
| Size | 22 MB | 16 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dream-Up](https://appshunter.io/developer/445196122) | [State of Hawaii](https://appshunter.io/developer/1473057158) |

## What reviewers say

### Humpback Whale

[App page](https://appshunter.io/ios/app/humpback-whale/id456226993)

Explore the ocean depths as a humpback whale, searching for hidden fact sheets about these magnificent creatures. Navigate the underwater world using motion controls or a virtual gamepad, with multiple difficulty levels to enhance the learning experience.

**Highlights:** Play as a humpback whale, Discover hidden fact sheets, 3D real-time rendering, Beautiful graphics and animations, 3 difficulty levels, Accelerometer or virtual GamePad controls, Learn through play

**Features:** macOS Compatibility

**In-app purchases:** none


### Reef Defender

[App page](https://appshunter.io/ios/app/reef-defender/id657761952)

Explore the connection between land and sea through an engaging game inspired by ancient Hawaiian stewardship practices. Play as a shark and learn how actions on land impact the ocean ecosystem.

**Highlights:** Learn land-sea connection, Ancient Hawaiian stewardship concepts, Play as a shark, Educational gameplay, Ocean ecosystem focus

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Humpback Whale free?

Humpback Whale costs $0.99, with no in-app purchases.

### Is Reef Defender free?

Reef Defender is free to download, with no in-app purchases.

### Which has better reviews, Humpback Whale or Reef Defender?

Reef Defender is rated higher. Humpback Whale averages 4.7 out of 5 from 3 ratings, while Reef Defender averages 5.0 from 5 ratings.

### Do Humpback Whale or Reef Defender have ads?

Neither Humpback Whale nor Reef Defender shows ads.

### Which is updated more often, Humpback Whale or Reef Defender?

Humpback Whale ships an update every 5 months, and Reef Defender every 54 months. Most recently, Humpback Whale was updated on November 1, 2026 and Reef Defender on November 6, 2026.

---

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