# Zero vs FrostDip

The clearest difference is in-app purchases: FrostDip at none against Zero's 2. FrostDip also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Zero sells 2 in-app purchases, starting at $9.99 per month. FrostDip asks for nothing beyond the download.

Zero ships an update every 5 days, FrostDip every 9 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Zero | FrostDip |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 9 days |
| Size | 33 MB | 1 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [WWW.UNICOSE.COM](https://appshunter.io/developer/367322767) | [Jaco-Stefan Olwagen](https://appshunter.io/developer/1888374910) |

## What reviewers say

### Zero

[App page](https://appshunter.io/ios/app/zero-cold-plunge/id6758989393)

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zero PRO Monthly | $9.99 | per month |
| Zero PRO Yearly | $69.99 | per year |


### FrostDip

[App page](https://appshunter.io/ios/app/frostdip-cold-plunge-timer/id6761245447)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zero free?

Zero is free to download, with in-app purchases available.

### Is FrostDip free?

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

### Do Zero or FrostDip have ads?

Zero shows ads; FrostDip does not.

### Which is updated more often, Zero or FrostDip?

Zero ships an update every 5 days, and FrostDip every 9 days. Most recently, Zero was updated on November 9, 2026 and FrostDip on November 5, 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.*