# Coldtub vs Pison EXPLORE

The clearest difference is update cadence: Pison EXPLORE at every 2 weeks against Coldtub's every 4 months. Coldtub's advantage is ratings volume (45 vs 1) and device support (4 vs 2). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for Coldtub against 5.0 for Pison EXPLORE. That said, the two scores are not equally well evidenced: Coldtub has 45 ratings behind it against 1, so its average is the more settled of the two.

Coldtub ships an update every 4 months, Pison EXPLORE every 2 weeks. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Coldtub | Pison EXPLORE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (45 ratings)](https://appshunter.io/ios/app/coldtub/id1146179578/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pison-explore/id6469170691/reviews)** |
| Number of ratings | **45** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 51 MB | 88 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blue Falls Manufacturing Limited](https://appshunter.io/developer/1779341572) | [Pison Technology](https://appshunter.io/developer/1705268860) |

## 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


### Pison EXPLORE

[App page](https://appshunter.io/ios/app/pison-explore/id6469170691)

This companion app for a wearable device allows users to explore various sensor data. It offers built-in protocols to measure reaction time, decision-making speed, and concentration. Unlock your potential by getting the most out of your Pison device.

**Highlights:** Measure reaction time, Assess decision-making speed, Track concentration ability, Companion app for Pison wearable, Built-in exploration protocols

**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 Pison EXPLORE free?

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

### Which has better reviews, Coldtub or Pison EXPLORE?

Pison EXPLORE is rated higher. Coldtub averages 4.9 out of 5 from 45 ratings, while Pison EXPLORE averages 5.0 from 1 ratings.

### Do Coldtub or Pison EXPLORE have ads?

Neither Coldtub nor Pison EXPLORE shows ads.

### Which is updated more often, Coldtub or Pison EXPLORE?

Coldtub ships an update every 4 months, and Pison EXPLORE every 2 weeks. Most recently, Coldtub was updated on October 5, 2026 and Pison EXPLORE on October 11, 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.*