Comparison

Reef Defender vs Whale training

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

Head to head
About

Reef Defender

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
Read full description

The ancient Hawaiians knew that what happens on land affects the ocean, so they used a system of land and sea stewardship involving the entire ahupua’a (watershed) from land to sea. You can learn about the connection of land and sea by playing the game Reef Defender. The good guy in Reef Defender is the shark.

About

Whale training

Care for a virtual pet whale, feeding it fish and cleaning its tank. Enjoy a peaceful viewing mode, take photos, and track your whale's growth. Perfect for those who love marine life or miss aquarium visits.

Highlights
  • Virtual whale care
  • Feeding mechanics
  • Viewing mode
  • Photography
  • Pet growth tracking
  • SNS sharing
Features
Read full description

iPhone, iPad compatible. Esayari and, to a such as cleaning, I'll be taken care of a pet whale. Shooting and, it comes with even viewing mode. Fish or swim, because coming up the bait of the fish, you can look at the scene to capture. Let the healing and looking at the gracefully swimming whale. [I want to do in such a person] Once upon a time, people who went to frequently in aquarium Now, people can not go easily to the aquarium People anyway you like whale People who like the development of mammals People who like the development of marine organisms People who wanted to the whale to pet [function] Feeding Viewing mode photograph SNS post Size display Clean Display Satiety Display The number of breeding days Display Pet growth of BGM of on-off Off of the surface of the water, sand Screen power continuation of the on-off [system] We will continue to nurture the whale. Let's grow your whales. It is very easier Wa grow. Spear 1 Doesa in four days, once a week, let's replace the water. Whales will increase little by little every day. Nameless of the Humpback Whale We chase the bait fish that swim The fish will be or become a school of fish. You can change the name. ◆ Terms and Conditions https://growwhale.nonip.net/privacy_en.html [About authority] And screen capture the performance results we have to be able to SNS post. For this reason, you are allowed to add permission to save the image file to the terminal. Authority: Privacy Access (NSPhotoLibraryUsageDescription) [Towards the video distributor] Of the delivery, confirmation of the use permit is not required. Etc. introduction and commentary in the video, Feel free to! [Other] Whale training is provided by Kajinet.

Screenshots

Whale training4 screens

Verdict

The call

The clearest difference is review sentiment: Reef Defender at 100% against Whale training's 60%. Reef Defender also leads on rating (5.0 vs 4.5) and ads (none vs shown). Whale training's advantage is update cadence (every 6 weeks vs every 54 months) and device support (3 vs 1). On price, ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Reef Defender holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews point the same way: 100% of Reef Defender's written reviews are positive against 60% of Whale training's.

UpkeepUpdate frequency

Reef Defender ships an update every 54 months, Whale training every 6 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 3 level
Reef Defender versus Whale training: the parameters behind the verdict, then further details
ParameterReef DefenderWhale training
PriceFreeFree
Rating5.0 (5 ratings) — better4.5 (2 ratings)
Positive reviews100.0% of reviews — better60.0% of reviews
Number of ratings5 — better2
Update frequencyEvery 54 monthsEvery 6 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPadiPhone, iPad, iPod — better
Requires iOS12.0 — better15.0
Further details — not scored
Size16 MB178 MB
Age rating4+4+
DeveloperState of HawaiiM kajimura

Customer experience

Reef Defender

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Whale training

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews10 reviews
Positive60.0%
Neutral20.0%
Negative20.0%

In-app purchases

None

Reef Defender

No in-app purchases

None

Whale training

No in-app purchases

Questions

Is Reef Defender free?
Reef Defender is free to download, with no in-app purchases.
Is Whale training free?
Whale training is free to download, with no in-app purchases.
Which has better reviews, Reef Defender or Whale training?
Reef Defender is rated higher. Reef Defender averages 5.0 out of 5 from 5 ratings, while Whale training averages 4.5 from 2 ratings.
Do Reef Defender or Whale training have ads?
Whale training shows ads; Reef Defender does not.
Which is updated more often, Reef Defender or Whale training?
Reef Defender ships an update every 54 months, and Whale training every 6 weeks. Most recently, Reef Defender was updated on November 6, 2026 and Whale training on November 3, 2026.

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