# Stack 101 Tower vs Fish Evolution Ocean Quest

The clearest difference is ads: Fish Evolution Ocean Quest at none against Stack 101 Tower's shown. Stack 101 Tower's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Stack 101 Tower | Fish Evolution Ocean Quest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | Every 5 days |
| Size | 54 MB | 244 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZHENG YU-XIANG](https://appshunter.io/developer/1863257025) | [Asad Manzoor](https://appshunter.io/developer/1833964293) |

## What reviewers say

### Stack 101 Tower

[App page](https://appshunter.io/ios/app/stack-101-tower/id6759484448)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fish Evolution Ocean Quest

[App page](https://appshunter.io/ios/app/fish-evolution-ocean-quest/id6796388769)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Stack 101 Tower free?

Stack 101 Tower is free to download, with no in-app purchases.

### Is Fish Evolution Ocean Quest free?

Fish Evolution Ocean Quest is free to download, with no in-app purchases.

### Do Stack 101 Tower or Fish Evolution Ocean Quest have ads?

Stack 101 Tower shows ads; Fish Evolution Ocean Quest does not.

### Which is updated more often, Stack 101 Tower or Fish Evolution Ocean Quest?

Stack 101 Tower ships an update every 5 days, and Fish Evolution Ocean Quest every 5 days. Most recently, Stack 101 Tower was updated on October 28, 2026 and Fish Evolution Ocean Quest on October 31, 2026.

---

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