# Subzero vs Under The Sea

The clearest difference is update cadence: Under The Sea at every 3 weeks against Subzero's every 2 months. Subzero's advantage is iOS requirement (12.0 vs 15.0). On price, ads, 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.

Subzero ships an update every 2 months, Under The Sea every 3 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Subzero | Under The Sea |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 112 MB | 86 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Starter Apps](https://appshunter.io/developer/1549865206) | [Igor Shalamov](https://appshunter.io/developer/1601045790) |

## What reviewers say

### Subzero

[App page](https://appshunter.io/ios/app/subzero/id1561792461)

**Features:** macOS Compatibility

**In-app purchases:** none


### Under The Sea

[App page](https://appshunter.io/ios/app/under-the-sea/id6478016075)

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

**In-app purchases:** none


## Frequently asked questions

### Is Subzero free?

Subzero is free to download, with no in-app purchases.

### Is Under The Sea free?

Under The Sea is free to download, with no in-app purchases.

### Do Subzero or Under The Sea have ads?

Neither Subzero nor Under The Sea shows ads.

### Which is updated more often, Subzero or Under The Sea?

Subzero ships an update every 2 months, and Under The Sea every 3 weeks. Most recently, Subzero was updated on October 30, 2026 and Under The Sea on October 25, 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.*