# Upside Down vs Solitaire Fish World

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.

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.

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.

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.

## The numbers

| Metric | Upside Down | Solitaire Fish World |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (592 ratings)](https://appshunter.io/ios/app/upside-down-strange-world/id6751249961/reviews) | **[5.0 (15 ratings)](https://appshunter.io/ios/app/solitaire-fish-world/id6793841036/reviews)** |
| Number of ratings | **592** | 15 |
| Positive reviews | 40.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 851 MB | 290 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Supercent, Inc.](https://appshunter.io/developer/1571435385) | [MFT Entertainment Limited](https://appshunter.io/developer/1841872171) |

## What reviewers say

### Upside Down

[App page](https://appshunter.io/ios/app/upside-down-strange-world/id6751249961)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| starterbundle_0.99 | $0.99 | one-time |
| handfulgems_0.99 | $0.99 | one-time |
| bunchgems_4.99 | $4.99 | one-time |
| cpboffer1_9.99 | $9.99 | one-time |
| pilegems_9.99 | $9.99 | one-time |
| noads_13.99 | $13.99 | one-time |
| cpboffer2_19.99 | $19.99 | one-time |
| pouchgems_19.99 | $19.99 | one-time |
| vaultgems_49.99 | $49.99 | one-time |
| treasureboxgems_99.99 | $99.99 | one-time |


### Solitaire Fish World

[App page](https://appshunter.io/ios/app/solitaire-fish-world/id6793841036)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| packscoin1 | $0.99 | one-time |
| packscoin2 | $2.99 | one-time |
| packscoin3 | $4.99 | one-time |
| packscoin4 | $9.99 | one-time |
| normalcoin3 | $12.99 | one-time |
| packscoin5 | $19.99 | one-time |
| normalcoin4 | $24.99 | one-time |
| packscoin6 | $39.99 | one-time |
| normalcoin5 | $49.99 | one-time |
| packscoin7 | $79.99 | one-time |


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