# Grind75 vs Cold Plunge & Sauna Timer

The clearest difference is rating: Grind75 at 5.0 against Cold Plunge & Sauna Timer's 1.0. Grind75 also leads on in-app purchases (none vs 2) and ratings volume (54 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Cold Plunge & Sauna Timer sells 2 in-app purchases, starting at $9.99 per 7 days. Grind75 asks for nothing beyond the download.

Grind75 holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Grind75 has 54 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Grind75 | Cold Plunge & Sauna Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (54 ratings)](https://appshunter.io/ios/app/grind75/id6760317807/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/cold-plunge-and-sauna-timer/id6793874012/reviews) |
| Number of ratings | **54** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | **Free** | Freemium |
| Size | 21 MB | 14 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Priya Pappachen Yohannan](https://appshunter.io/developer/1883822079) | [Blue Alpine GmbH](https://appshunter.io/developer/6786751247) |

## What reviewers say

### Grind75

[App page](https://appshunter.io/ios/app/grind75/id6760317807)

This app helps you build discipline and stay consistent with self-improvement challenges like 75 Hard or 75 Soft. It offers flexible tracking for various habits, multiple challenge modes, and progress visualization to support your personal growth journey without rigid rules.

**Highlights:** Customizable challenge lengths, Multiple challenge modes (Hard, Medium, Soft, Parent), Habit tracking for fitness, water, reading, diet, and more, Progress photo and milestone tracking, Flexible system with pause and resume options, Health integration for step tracking, Shareable transformation cards

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

**In-app purchases:** none


### Cold Plunge & Sauna Timer

[App page](https://appshunter.io/ios/app/cold-plunge-and-sauna-timer/id6793874012)

Track cold plunges and sauna sessions to understand your body's response and optimize recovery routines. Build sustainable plans with guided phases and monitor progress through detailed analytics. Offers free basic features with an optional premium subscription for advanced insights.

**Highlights:** Cold plunge and sauna timers, Guided contrast routines, Session history and tracking, Personalized plan building, Recovery analytics, Apple Health correlations

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contrast Premium Weekly | $9.99 | per 7 days |
| Contrast Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is Grind75 free?

Grind75 is free to download, with no in-app purchases.

### Is Cold Plunge & Sauna Timer free?

Cold Plunge & Sauna Timer is free to download, with in-app purchases available.

### Which has better reviews, Grind75 or Cold Plunge & Sauna Timer?

Grind75 is rated higher. Grind75 averages 5.0 out of 5 from 54 ratings, while Cold Plunge & Sauna Timer averages 1.0 from 1 ratings.

### Do Grind75 or Cold Plunge & Sauna Timer have ads?

Neither Grind75 nor Cold Plunge & Sauna Timer shows ads.

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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.*