# SaunaPulse vs Diby

The clearest difference is price: Diby at Free against SaunaPulse's $3.99. SaunaPulse's advantage is in-app purchases (none vs 10) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Diby is free to download; SaunaPulse costs $3.99 up front. Diby sells 10 in-app purchases, starting at $29.00 per month. SaunaPulse asks for nothing beyond the download.

SaunaPulse ships an update weekly, Diby every 2 weeks. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | SaunaPulse | Diby |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/saunapulse/id6757136208/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Paid | — |
| Size | 6 MB | 102 MB |
| Requires iOS | 26.2 | **26.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Jose Valle](https://appshunter.io/developer/1831635762) | [KodeLab d.o.o.](https://appshunter.io/developer/1462895160) |

## What reviewers say

### SaunaPulse

[App page](https://appshunter.io/ios/app/saunapulse/id6757136208)

This app allows users to track their sauna sessions using an Apple Watch. It provides real-time heart rate monitoring, automatic calorie estimations, and a detailed history of past sessions. Data is synced between the watch and iPhone companion app and integrated with HealthKit.

**Highlights:** Live heart rate monitoring, Session timer, Automatic calorie estimates, Session history and stats, Apple Watch and iPhone sync, HealthKit integration

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

**In-app purchases:** none


### Diby

[App page](https://appshunter.io/ios/app/diby-training-and-coaching/id6759965838)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diby Pro – 10 clients | $29.00 | per month |
| Diby Pro – 20 clients | $45.00 | per month |
| Diby Pro – 30 clients | $49.00 | per month |
| Diby Pro – 50 clients | $59.00 | per month |
| Diby Pro – 75 clients | $149.00 | per month |
| Diby Pro – 150 clients | $249.00 | per month |
| Diby Pro – 10 clients | $290.00 | per year |
| Diby Pro – 20 clients | $390.00 | per year |
| Diby Pro – 300 clients | $399.00 | per month |
| Diby Pro – 30 clients | $490.00 | per year |


## Frequently asked questions

### Is SaunaPulse free?

SaunaPulse costs $3.99, with no in-app purchases.

### Is Diby free?

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

### Do SaunaPulse or Diby have ads?

Diby shows ads; SaunaPulse does not.

### Which is updated more often, SaunaPulse or Diby?

SaunaPulse ships an update weekly, and Diby every 2 weeks. Most recently, SaunaPulse was updated on November 5, 2026 and Diby on November 9, 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.*