# Coldtub vs Timer Uni

The clearest difference is update cadence: Timer Uni at daily against Coldtub's every 4 months. Coldtub's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Coldtub ships an update every 4 months, Timer Uni daily. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Coldtub | Timer Uni |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (45 ratings)](https://appshunter.io/ios/app/coldtub/id1146179578/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Free | — |
| Size | 51 MB | 15 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blue Falls Manufacturing Limited](https://appshunter.io/developer/1779341572) | [Ahmad Rashidov](https://appshunter.io/developer/6773634428) |

## What reviewers say

### Coldtub

[App page](https://appshunter.io/ios/app/coldtub/id1146179578)

This app provides comprehensive information about a specific cryotherapy product. For owners, it functions as a remote control to monitor and adjust spa settings, including pump operation and temperature.

**Highlights:** Product information, Remote control functionality, Spa status monitoring, Pump on/off control, Setting modification

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Timer Uni

[App page](https://appshunter.io/ios/app/timer-uni/id6797445346)

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

**In-app purchases:** none


## Frequently asked questions

### Is Coldtub free?

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

### Is Timer Uni free?

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

### Do Coldtub or Timer Uni have ads?

Neither Coldtub nor Timer Uni shows ads.

### Which is updated more often, Coldtub or Timer Uni?

Coldtub ships an update every 4 months, and Timer Uni daily. Most recently, Coldtub was updated on October 5, 2026 and Timer Uni on October 10, 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.*