Report updated Apr 4, 2026

What Is Solitaire: Fish Aquarium?

Solitaire: Fish Aquarium is a hybrid casual game that combines classic Klondike Solitaire with an aquarium decoration meta-game. It successfully targets casual players by offering a relaxing, collectible-driven experience that provides more progression than traditional card games. While it has achieved massive scale and high sentiment on Android, its iOS presence remains underdeveloped.

What users think iIndependent intel reports to help builders create better apps or enhance existing ones. Still in beta, accuracy and relevancy get better every day. For informational purposes only.

Thrilled
Gameplay Enjoyment
Excessive Advertising... Show more

What does it look like?

What are the key features?

Aquarium SimulationDifferentiator

Collect fish and decorate virtual aquariums as a reward for completing solitaire levels

Klondike Game ModesStandard

Includes standard Draw 1 and Draw 3 card game variations

Customization ToolsStandard

Allows users to change card faces, backs, and animations

Offline PlayStandard

Enables gameplay without an active internet connection

Assistance FeaturesStandard

Includes unlimited undos, hints, and a 'Magic Wand' for solving difficult hands

Performance TrackingBasic

Provides personal statistics and winning streak analysis

What do users think? iIndependent intel reports to help builders create better apps or enhance existing ones. Still in beta, accuracy and relevancy get better every day. For informational purposes only.

Thrilled

Recent user voice shows a thrilled sentiment. Users appreciate gameplay enjoyment and ease of use, but report excessive advertising and technical glitches.

What Users Love

Gameplay Enjoyment

So cute! so fun

It is addictive you have been warned

Ease of Use

nice and easy

Simple and fun. I like how it help you finish.

Pain Points

Excessive Advertising

not happy with all the ads,ads,and more ads

a lot of ads no matter the games I play

Technical Glitches

the jigsaw puzzle freezes the game

all kinds of glitches

High confidence · 239.3K reviews available

What are the pros and cons?

Pros

  • Strong meta-game integration with aquarium theme
  • High Android engagement and social proof (239k+ ratings)
  • Robust offline play capability
  • High overall sentiment score (82)

Cons

  • High ad frequency causing user friction
  • Technical glitches in jigsaw puzzle feature
  • Significant performance gap on iOS vs Android
  • Low reward payouts reported by users

What is the market outlook?

Growth Opportunities

  • Rebalance economy to improve fish affordability
  • Fix stability issues to increase long-term retention
  • Expand to other decorative themes (e.g., gardens, homes)
  • Aggressive iOS user acquisition to match Android success

Market Threats

  • Direct clones like Solitaire: Aquarium (Oakever)
  • Market leaders like Solitaire Grand Harvest with larger UA budgets
  • Ad-fatigue leading to user churn
  • Rising CAC in the highly competitive Solitaire sub-category

Who competes with Solitaire: Fish Aquarium?

The Nemesis

▻ Solitaire +

▻ Solitaire +

4.7 (239K)

PeopleFun CG, LLC

The most direct rival, featuring an identical core loop of Klondike solitaire levels used to unlock and decorate undersea aquariums.

+

The most direct rival, featuring an identical core loop of Klondike solitaire levels used to unlock and decorate undersea aquariums.

Contenders

+

The market leader in 'Solitaire + Meta-progression'; while farming-themed, it defines the genre the analyzed app operates in.

+

Farm Building and Management

+

A high-production value alternative focusing on travel and world-building through solitaire gameplay.

+

Daily Challenges

+

Offers a similar 'journey' and 'collection' feel, though using the TriPeaks variant instead of Klondike.

+

Merge Puzzle Gameplay

.Solitaire!

.Solitaire!

Xian Fu

Uses the same 'Solitaire for currency to decorate' loop, targeting the same casual demographic with a home-design theme.

+

Uses the same 'Solitaire for currency to decorate' loop, targeting the same casual demographic with a home-design theme.

Peers

+

The primary competitor for the 'aquarium simulation' and 'fish collection' aspect of the user experience, despite being Match-3.

+

Aquarium Customization

+

The gold standard for mobile Klondike solitaire, representing the 'pure' gameplay alternative for card game enthusiasts.

+

Daily Challenges

+

A massive-scale classic solitaire app that captures users who might find the aquarium meta distracting.

+

Daily Challenges

New Kids on the Block

▻ Solitaire

▻ Solitaire

4.7 (195K)

PeopleFun CG, LLC

A newer entry in the 'Solitaire + Narrative/Collection' space with high growth momentum.

+

A newer entry in the 'Solitaire + Narrative/Collection' space with high growth momentum.

Solitaire・

Solitaire・

4.6 (4K)

Optime Software LLC

Rising competitor using the garden decoration meta which appeals to the same casual, relaxation-seeking demographic.

+

Rising competitor using the garden decoration meta which appeals to the same casual, relaxation-seeking demographic.

What are the key takeaways?

Solitaire: Fish Aquarium is a thrilling games app that is free with in-app purchases. With a 4.7/5 rating from 239.3K reviews, it thrills its users from users. Users particularly appreciate gameplay enjoyment, though excessive advertising remains a common concern.

Best for: Casual gamers who enjoy classic card games and are looking for a relaxing, decorative meta-game experience to unwind.

How much does it cost?

Model: freemium

Tiers:
Free to play with ad-supported gameplayVIP subscription available to remove ads and unlock premium features

Monetization relies on a hybrid model of in-app advertising for the casual user base and a subscription-based 'VIP' tier to remove friction and provide an ad-free experience.

iOS Version

1.0.9

Android Version

1.4.42

Release Date

Jul 7, 2020

iOS Price

Free

Android Price

Free

Independent intel to help builders create better apps.

No publisher influence. No third-party bias. Built with objectivity in mind to serve the builder community. Reports are continuously improved and refined. For informational purposes only.

Hope this helps & keep building! · Found an error?

Cite this report

Marlvel.ai. “Solitaire: Fish Aquarium Intelligence Report.” Updated Apr 4, 2026. https://marlvel.ai/intel-report/games/solitaire-fish-aquarium

Agent Markdown (.md)·

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