# Spatial Sleep vs FitCentral

The clearest difference is update cadence: FitCentral at every 2 days against Spatial Sleep's every 3 months. FitCentral also leads on rating (5.0 vs 4.6) and iOS requirement (15.0 vs 17.6). On price, ratings volume, 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.

FitCentral holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 11 and 4 respectively.

Spatial Sleep ships an update every 3 months, FitCentral every 2 days. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Spatial Sleep | FitCentral |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (11 ratings)](https://appshunter.io/ios/app/spatial-sleep/id6449580101/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/fitcentral-client-app/id6770676117/reviews)** |
| Number of ratings | **11** | 4 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 131 MB | 12 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sound Health Systems, Inc.](https://appshunter.io/developer/1500011226) | [FitCentral LLC](https://appshunter.io/developer/1896760373) |

## What reviewers say

### Spatial Sleep

[App page](https://appshunter.io/ios/app/spatial-sleep/id6449580101)

This science-backed app uses acoustic resonance harmonies, paired with a wearable headband, to help users fall asleep faster, stay asleep longer, and wake up refreshed. It offers drug-free, non-invasive sleep support and includes post-sleep breathwork and brain teaser games.

**Highlights:** Acoustic resonance harmonies for sleep, Wearable headband integration, Clinically proven sleep improvement, Drug-free and non-invasive, Personalized harmonies via machine learning, Post-sleep breathwork exercises, Brain teaser games for alertness

**Features:** macOS Compatibility

**In-app purchases:** none


### FitCentral

[App page](https://appshunter.io/ios/app/fitcentral-client-app/id6770676117)

Manage workouts, nutrition, and progress in one app. If you train with a personal trainer using the platform, their programs, meal plans, and messages are accessible here. Track measurements, photos, and trends to stay motivated.

**Highlights:** Workout logging and video demonstrations, Meal plan tracking with food database, Body measurement and progress photo logging, Trainer program and message integration, Direct in-app messaging with trainers, Session scheduling and reminders

**In-app purchases:** none


## Frequently asked questions

### Is Spatial Sleep free?

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

### Is FitCentral free?

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

### Which has better reviews, Spatial Sleep or FitCentral?

FitCentral is rated higher. Spatial Sleep averages 4.6 out of 5 from 11 ratings, while FitCentral averages 5.0 from 4 ratings.

### Do Spatial Sleep or FitCentral have ads?

Neither Spatial Sleep nor FitCentral shows ads.

### Which is updated more often, Spatial Sleep or FitCentral?

Spatial Sleep ships an update every 3 months, and FitCentral every 2 days. Most recently, Spatial Sleep was updated on October 2, 2026 and FitCentral on October 8, 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.*