Comparison

Sea Animals:DuDu Puzzle Games vs Marine doctor

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

Head to head
About

Sea Animals:DuDu Puzzle Games

Explore the vast ocean and its diverse inhabitants through interactive puzzles and engaging sound effects. This app transforms marine life education into a fun, parent-child experience, helping children learn about animal characteristics and habitats.

Highlights
  • Rich marine animal collection
  • Interactive underwater scenes
  • Memory competition games
  • Exquisite picture design
  • Professional voiceovers
  • Parent-child interactive learning
Features
Read full description

Three-quarters of the earth we live in is covered by oceans. The ocean is a huge and magical world. In addition to marine wonders and underwater plants, there are many beautiful and dangerous marine animals. DuDu's Sea Animals integrates popular science and education, transforms boring and difficult book knowledge into a lively and interesting parent-child interactive experience of marine life.Rich sound effects, familiarize children with the characteristics and living habits of various marine animals. Kids, did you know that octopuses and squid use ink to protect themselves in dangerous situations? The marine world is rich and complex, and there are many interesting marine animals waiting for you to explore! Features Rich marine animals Interesting underwater interactions Memory Competition Exquisite picture design Professional dubbing team In the ocean, there are not only whales that can spray water, returnees that swim very slowly but have hard shells, and ferocious sharks, small lanterns with sharp food lures on their heads - anglerfish... There are also a lot of unknown marine animals waiting for you to discover!In order to deepen children's cognitive understanding of marine animals, this product has specially designed a rich and interesting parent-child interactive scene experience. After the popularization, we will test the baby's memory and cognitive ability to sense colors and shapes to see who has the fastest response. Exquisite picture design, vivid animation scenes, as if immersed in the scene. Professional dubbing makes the habits and characteristics of marine animals more vivid and interesting, making the product experience more colorful. Children,Come and play in the mysterious underwater world!

About

Marine doctor

Features
Read full description

Three-quarters of the earth we live in are covered by the ocean. The ocean is a huge and amazing ecosystem. There are many cute marine creatures on the mysterious sea floor. As the marine environment they live in, they will inevitably be threatened by their bodies ... Take a submarine into the bottom of the sea to explore the mysterious and rich underwater world! Children, do you want to be a mysterious organization of marine rescue -marine doctors? Hurry up to help those marine animals who encounter unfortunately ~ Look at it quickly, Big lobster that was accidentally injured by the anchor ... The shell is filled with pearls of marine garbage ... Heritage crab trapped and injured by gravel ... Eat the green turtle with toxic marine garbage ... These poor little animals, quickly take out the first aid boxes to help them get rid of pain! At the same time, we also urged children to protect the marine environment and marine life and protect our common home! [DuDu Ocean Doctor] Integrate science and enlightenment, transform the boring and difficult book knowledge into a vivid and interesting animation scene to help children better understand and understand marine life. Through the submarine rescue scene, children can deeply understand that once the marine environment is destroyed, the first cute marine animals will be hurt first. Therefore, we must jointly protect marine animals and protect the marine environment! Game characteristics Explore the mysterious and rich underwater world, enrich the wonderful scene; Rescue of marine life that needs help, marine doctors underwater rescue; Feed hungry marine animals and make friends with marine animals; 【连续包月说明】 -订阅周期:一个月,一年 -订阅价格:以IAP申请信息为准,例如按月订阅为5元,按年订阅为30元 -付款:用户确认购买并付款后记入iTunes账户 -取消订阅:您可以在苹果手机“设置”-->进入“iTunes Store与App Store”-->点击“Apple ID”,选择“查看Apple ID”,进入“账户设置”页面,点击“订阅”,管理自动订阅服务。 如需取消,每个计费周期结束前24小时关闭即可,到期前24小时内则不再扣费。 -续订:您的会员到期前24小时,苹果会自动为您从iTunes账户扣费,成功后有效期自动延长一个周期。 - 隐私政策:http://cdngamebd.ergeduoduo.com/ddedu/policy/privacy_policy_new.html - 自动续费协议 https://ergecdn.cn/vip/youliang/vip_protocal.html?pkg=com.duoduo.games.seadoctor

Screenshots

Sea Animals:DuDu Puzzle Games4 screens
Marine doctor4 screens

Verdict

The call

The clearest difference is in-app purchases: Sea Animals:DuDu Puzzle Games at none against Marine doctor's 3. Sea Animals:DuDu Puzzle Games also leads on iOS requirement (9.0 vs 11.0). Marine doctor's advantage is update cadence (every 6 weeks vs every 11 months). On price, ads 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

Both are free to download. Marine doctor sells 3 in-app purchases, starting at $0.99 per month. Sea Animals:DuDu Puzzle Games asks for nothing beyond the download.

UpkeepUpdate frequency

Sea Animals:DuDu Puzzle Games ships an update every 11 months, Marine doctor every 6 weeks. The most recent releases landed on September 9, 2026 and August 20, 2026 respectively.

Scorecard3 real differences · 6 level
Sea Animals:DuDu Puzzle Games versus Marine doctor: the parameters behind the verdict, then further details
ParameterSea Animals:DuDu Puzzle GamesMarine doctor
PriceFreeFree
Rating5.0 (1 ratings) — better
Number of ratings1 — better
Update frequencyEvery 11 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better11.0
Further details — not scored
Size73 MB73 MB
Age rating4+4+
Developer童乐童趣网络科技(天津)有限公司有量网络科技(天津)有限公司

In-app purchases

None

Sea Animals:DuDu Puzzle Games

No in-app purchases

3 purchases

Marine doctor

Subscriptions2
  • Monthly subscription$0.991 Month
  • Annual subscription$3.991 Year
One-time1
  • Unlock all content$0.99

Questions

Is Sea Animals:DuDu Puzzle Games free?
Sea Animals:DuDu Puzzle Games is free to download, with no in-app purchases.
Is Marine doctor free?
Marine doctor is free to download, with in-app purchases available.
Do Sea Animals:DuDu Puzzle Games or Marine doctor have ads?
Neither Sea Animals:DuDu Puzzle Games nor Marine doctor shows ads.
Which is updated more often, Sea Animals:DuDu Puzzle Games or Marine doctor?
Sea Animals:DuDu Puzzle Games ships an update every 11 months, and Marine doctor every 6 weeks. Most recently, Sea Animals:DuDu Puzzle Games was updated on September 9, 2026 and Marine doctor on August 20, 2026.

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