Comparison

Upside Down vs Solitaire Fish World

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

Head to head
About

Upside Down

Embark on a thrilling adventure to rescue a kidnapped friend from a shadowy dimension. Explore mysterious landscapes, battle terrifying creatures with dynamic gunplay, and upgrade your gear to overcome escalating challenges. Uncover secrets and strategize your way through this action-packed quest.

Highlights
  • Explore a mysterious world
  • Engaging storyline
  • Dynamic combat with gunplay
  • Resource management
  • Upgrade and merge equipment
  • Challenging enemies
Features
Read full description

Journey into a gripping tale of mystery and danger, where a strange gate to a shadowy dimension has disrupted the peaceful life of a small town. When Amy is kidnapped by horrifying creatures, it’s up to Dustin to venture into the unknown, uncover the secrets of the Upside Down world, and bring her back. Inspired by the unsettling charm of dark and mysterious adventures, this game offers a perfect blend of exploration, action, and strategy. Equip Dustin with powerful tools and weapons, break through obstacles, repair the broken map, and fight off enemies with thrilling gunplay. Merge and upgrade your gear to take on greater challenges as you dive deeper into the story. Features: Explore a Mysterious World: Uncover hidden secrets and eerie landscapes. Engaging Storyline: Follow a compelling mystery filled with suspense and danger. Dynamic Combat: Use your gun to fight terrifying creatures and clear your way to the gate. Resource Management: Break objects to gather resources and rebuild the world. Upgrade and Merge Equipment: Strengthen your tools and weapons to face tougher challenges. Challenging Enemies: Face creatures of the Upside Down in strategic battles. Are you ready to fight through the unknown and bring Amy home? The adventure awaits!

About

Solitaire Fish World

Enjoy classic Solitaire card gameplay combined with the relaxing activity of building and decorating a vibrant underwater aquarium. Collect colorful fish, unlock new species, and expand your aquatic world with every level completed.

Highlights
  • Classic Solitaire gameplay
  • Collect and raise colorful fish
  • Build and decorate aquariums
  • Hundreds of Solitaire levels
  • Offline play available
  • New fish and aquarium areas
Features
Read full description

Play classic Solitaire, collect colorful fish, and build an aquarium that grows with every win. Solitaire Fish World brings together relaxing card gameplay and the simple joy of raising your own underwater world. Clear the cards, earn rewards, unlock new fish, and turn an empty tank into a lively aquarium full of personality. The rules are easy to pick up: choose a card that is one number higher or lower than the card in your hand. But as the levels progress, new card layouts, obstacles, and limited choices will make every move matter. Finish levels to meet new fish, improve their homes, and discover fresh aquarium themes. Some days you may want a quick game of Solitaire. Other days, you may find yourself staying a little longer just to unlock one more fish or complete the next part of your tank. Why You’ll Love Solitaire Fish World: ▶ Classic Solitaire with a relaxing aquarium theme ▶ Collect adorable fish with different colors and personalities ▶ Build and decorate beautiful underwater habitats ▶ Easy-to-learn card gameplay with satisfying strategic choices ▶ New levels, fish, and aquarium areas to discover ▶ A calm and rewarding experience you can enjoy at your own pace Key Features: ▶ Hundreds of handcrafted Solitaire levels ▶ Simple card rules with increasingly clever layouts ▶ Rewards that help you expand your aquarium ▶ Colorful underwater scenes and smooth animations ▶ Short levels that are perfect for quick breaks ▶ Offline play available anytime, anywhere Whether you enjoy classic Solitaire, collecting cute animals, or simply creating a peaceful place of your own, Solitaire Fish World gives you something to look forward to after every level. Play a card. Welcome a new fish. Build your underwater world. DOWNLOAD NOW and start your Solitaire aquarium adventure!

Screenshots

Upside Down4 screens
Solitaire Fish World4 screens

Verdict

The call

The clearest difference is update cadence: Solitaire Fish World at weekly against Upside Down's every 2 months. Solitaire Fish World also leads on rating (5.0 vs 4.6). Upside Down's advantage is ratings volume (592 vs 15). On price, ads, in-app purchases and monetization model 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. Upside Down sells 10 one-off in-app purchases and Solitaire Fish World sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Solitaire Fish World holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Upside Down has 592 ratings behind it against 15, so its average is the more settled of the two.

UpkeepUpdate frequency

Upside Down ships an update every 2 months, Solitaire Fish World weekly. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 7 level
Upside Down versus Solitaire Fish World: the parameters behind the verdict, then further details
ParameterUpside DownSolitaire Fish World
PriceFreeFree
Rating4.6 (592 ratings)5.0 (15 ratings) — better
Positive reviews40.7% of reviews—
Number of ratings592 — better15
Update frequencyEvery 2 monthsWeekly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size851 MB290 MB
Age rating4+4+
DeveloperSupercent, Inc.MFT Entertainment Limited

In-app purchases

10 purchases

Upside Down

One-time10
  • starterbundle_0.99$0.99
  • handfulgems_0.99$0.99
  • bunchgems_4.99$4.99
Show 7 more
  • cpboffer1_9.99$9.99
  • pilegems_9.99$9.99
  • noads_13.99$13.99
  • cpboffer2_19.99$19.99
  • pouchgems_19.99$19.99
  • vaultgems_49.99$49.99
  • treasureboxgems_99.99$99.99
10 purchases

Solitaire Fish World

One-time10
  • packscoin1$0.99
  • packscoin2$2.99
  • packscoin3$4.99
Show 7 more
  • packscoin4$9.99
  • normalcoin3$12.99
  • packscoin5$19.99
  • normalcoin4$24.99
  • packscoin6$39.99
  • normalcoin5$49.99
  • packscoin7$79.99

Questions

Is Upside Down free?
Upside Down is free to download, with in-app purchases available.
Is Solitaire Fish World free?
Solitaire Fish World is free to download, with in-app purchases available.
Which has better reviews, Upside Down or Solitaire Fish World?
Solitaire Fish World is rated higher. Upside Down averages 4.6 out of 5 from 592 ratings, while Solitaire Fish World averages 5.0 from 15 ratings.
Do Upside Down or Solitaire Fish World have ads?
Both Upside Down and Solitaire Fish World show ads.
Which is updated more often, Upside Down or Solitaire Fish World?
Upside Down ships an update every 2 months, and Solitaire Fish World weekly. Most recently, Upside Down was updated on October 30, 2026 and Solitaire Fish World on October 29, 2026.

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