# Wake Windows App vs Sauna Trainer

The clearest difference is rating: Sauna Trainer at 5.0 against Wake Windows App's 1.0. Sauna Trainer also leads on update cadence (weekly vs every 7 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Wake Windows App sells 1 one-off in-app purchase and Sauna Trainer sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Sauna Trainer holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Wake Windows App ships an update every 7 months, Sauna Trainer weekly. The most recent releases landed on September 19, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Wake Windows App | Sauna Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/wake-windows-app/id6737334114/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sauna-trainer/id6767308859/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 36 MB | 149 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Renu Narwal](https://appshunter.io/developer/1659617835) | [Fractelle Inc](https://appshunter.io/developer/1896464296) |

## What reviewers say

### Wake Windows App

[App page](https://appshunter.io/ios/app/wake-windows-app/id6737334114)

This app helps parents track and calculate optimal wake windows for their baby's naps. It provides instant calculations based on age and last nap, with customizable notifications to maintain a consistent sleep schedule for newborns, infants, and toddlers.

**Highlights:** Instant wake window calculations, Age-based calculator, Customizable notifications, Real-time schedule adjustments, User-friendly interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LifeTime Plan | $4.99 | one-time |


### Sauna Trainer

[App page](https://appshunter.io/ios/app/sauna-trainer/id6767308859)

Enhance your sauna experience with guided sessions and performance tracking. Features a free timer and basic voice guidance, with optional Pro tools for advanced audio, history, and insights.

**Highlights:** Free sauna timer, Basic voice guidance, Full guided audio programs, Saved session history, Progress tracking, Wellness insights

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sauna Trainer Pro Monthly | $3.99 | per month |


## Frequently asked questions

### Is Wake Windows App free?

Wake Windows App is free to download, with in-app purchases available.

### Is Sauna Trainer free?

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

### Which has better reviews, Wake Windows App or Sauna Trainer?

Sauna Trainer is rated higher. Wake Windows App averages 1.0 out of 5 from 2 ratings, while Sauna Trainer averages 5.0 from 2 ratings.

### Do Wake Windows App or Sauna Trainer have ads?

Neither Wake Windows App nor Sauna Trainer shows ads.

### Which is updated more often, Wake Windows App or Sauna Trainer?

Wake Windows App ships an update every 7 months, and Sauna Trainer weekly. Most recently, Wake Windows App was updated on September 19, 2026 and Sauna Trainer 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.*