# The Sleep Lab vs Steadfast Mindfulness

The clearest difference is iOS requirement: The Sleep Lab at 13.0 against Steadfast Mindfulness's 18.2. On price, update cadence, 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.

The Sleep Lab ships an update every 4 days, Steadfast Mindfulness weekly. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | The Sleep Lab | Steadfast Mindfulness |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (12 ratings)](https://appshunter.io/ios/app/steadfast-mindfulness/id6759298860/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | — | Free |
| Size | 55 MB | 467 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Jacob Arensman](https://appshunter.io/developer/1873247988) | [Darius Redmon](https://appshunter.io/developer/1877934983) |

## What reviewers say

### The Sleep Lab

[App page](https://appshunter.io/ios/app/the-sleep-lab/id6758512601)

**Features:** macOS Compatibility

**In-app purchases:** none


### Steadfast Mindfulness

[App page](https://appshunter.io/ios/app/steadfast-mindfulness/id6759298860)

This faith-based mindfulness app offers guided meditations, breathing exercises, and daily reflections rooted in Christian values. It helps users find peace, manage stress, and stay centered by integrating prayer and scripture into their daily routine.

**Highlights:** Faith-based guided meditations, Daily scriptural reflections, Mindful breathing exercises, Spiritual journaling prompts, Watch and widget support, Personalized daily reminders

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

**In-app purchases:** none


## Frequently asked questions

### Is The Sleep Lab free?

The Sleep Lab is free to download, with no in-app purchases.

### Is Steadfast Mindfulness free?

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

### Do The Sleep Lab or Steadfast Mindfulness have ads?

Neither The Sleep Lab nor Steadfast Mindfulness shows ads.

### Which is updated more often, The Sleep Lab or Steadfast Mindfulness?

The Sleep Lab ships an update every 4 days, and Steadfast Mindfulness weekly. Most recently, The Sleep Lab was updated on October 31, 2026 and Steadfast Mindfulness on November 5, 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.*