# Zero vs ColdStreak

The clearest difference is ads: ColdStreak at none against Zero's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Zero sells 2 in-app purchases, starting at $9.99 per month and ColdStreak sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Zero ships an update every 5 days, ColdStreak weekly. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Zero | ColdStreak |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Weekly |
| Size | 25 MB | 7 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [WWW.UNICOSE.COM](https://appshunter.io/developer/367322767) | [Jagrat Sharma](https://appshunter.io/developer/1755225767) |

## What reviewers say

### Zero

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

**In-app purchases (2)**

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


### ColdStreak

[App page](https://appshunter.io/ios/app/coldstreak-shower-tracker/id6758996039)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Zero free?

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

### Is ColdStreak free?

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

### Do Zero or ColdStreak have ads?

Zero shows ads; ColdStreak does not.

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

Zero ships an update every 5 days, and ColdStreak weekly. Most recently, Zero was updated on September 17, 2026 and ColdStreak on September 21, 2026.

---

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