# Celestial Sleep vs Simple Sleep

The clearest difference is ads: Celestial Sleep at none against Simple Sleep's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Celestial Sleep sells 3 one-off in-app purchases and Simple Sleep sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Celestial Sleep ships an update fortnightly, Simple Sleep weekly. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Celestial Sleep | Simple Sleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/simple-sleep-minimal-tracker/id6758269412/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 32 MB | 56 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Celestial, Inc.](https://appshunter.io/developer/1733197371) | [ANJI, LLC](https://appshunter.io/developer/1860836126) |

## What reviewers say

### Celestial Sleep

[App page](https://appshunter.io/ios/app/celestial-sleep/id6478527941)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Guardian (Month) | $0.99 | one-time |
| Guardian (Quarter) | $1.99 | one-time |
| Guardian (Year) | $9.99 | one-time |


### Simple Sleep

[App page](https://appshunter.io/ios/app/simple-sleep-minimal-tracker/id6758269412)

Easily monitor your sleep patterns with a minimalist tracker. Understand your rest duration, bedtime, and wake-up times with simple one-tap logging. Set sleep goals and view comprehensive insights, all while prioritizing your privacy with on-device data processing.

**Highlights:** Effortless one-tap sleep tracking, Comprehensive sleep insights and data, Personalized sleep goal setting, Battery-friendly design, Live Activities and Dynamic Island integration, Apple Health synchronization, Privacy-first, on-device data processing

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Super Simple Sleep (1 Month) | $2.99 | per month |
| Super Simple Sleep (6 Months) | $6.99 | per 6 months |
| Super Simple Sleep (1 Year) | $9.69 | per year |
| Super Simple Sleep (Lifetime) | $16.99 | one-time |


## Frequently asked questions

### Is Celestial Sleep free?

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

### Is Simple Sleep free?

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

### Do Celestial Sleep or Simple Sleep have ads?

Simple Sleep shows ads; Celestial Sleep does not.

### Which is updated more often, Celestial Sleep or Simple Sleep?

Celestial Sleep ships an update fortnightly, and Simple Sleep weekly. Most recently, Celestial Sleep was updated on October 18, 2026 and Simple Sleep on October 24, 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.*