# Sleep Time+ Cycle Alarm Clock vs SleepSpace

The clearest difference is rating: Sleep Time+ Cycle Alarm Clock at 4.8 against SleepSpace's 4.2. Sleep Time+ Cycle Alarm Clock also leads on review sentiment (69% vs 57%) and iOS requirement (16.0 vs 18.0). SleepSpace's advantage is monetization model (free with in-app purchases vs subscription) and ads (none vs shown). On price, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Sleep Time+ Cycle Alarm Clock sells 8 in-app purchases, starting at $4.99 per month and SleepSpace sells 13 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Sleep Time+ Cycle Alarm Clock holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 2.5K and 858 respectively. Written reviews point the same way: 69% of Sleep Time+ Cycle Alarm Clock's written reviews are positive against 57% of SleepSpace's.

Sleep Time+ Cycle Alarm Clock ships an update monthly, SleepSpace weekly. Both last shipped on October 29, 2026.

## The numbers

| Metric | Sleep Time+ Cycle Alarm Clock | SleepSpace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.5K ratings)](https://appshunter.io/ios/app/sleep-time-plus-cycle-alarm-clock/id498360026/reviews)** | [4.2 (858 ratings)](https://appshunter.io/ios/app/sleepspace-deep-sleep-tonight/id1193763939/reviews) |
| Number of ratings | **2.5K** | 858 |
| Positive reviews | **68.8% of reviews** | 57.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 185 MB | 172 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Azumio Inc.](https://appshunter.io/developer/439290207) | [Proactive Life Inc](https://appshunter.io/developer/328349390) |

## What reviewers say

### Sleep Time+ Cycle Alarm Clock

[App page](https://appshunter.io/ios/app/sleep-time-plus-cycle-alarm-clock/id498360026)

Understand your sleep patterns and wake up feeling refreshed. This app tracks sleep cycles, offers soothing soundscapes for falling asleep, and measures resting heart rate without wearables. It provides detailed analysis and customizable alarms to optimize your sleep and wake-up experience.

**Highlights:** Sleep cycle analysis, Soothing soundscapes, Resting heart rate measurement, Smart alarm clock, Detailed sleep graphs, Apple Health integration

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |
| Premium | $8.99 | per month |
| Premium | $9.99 | per month |
| Premium | $9.99 | per month |
| Premium | $19.99 | per 3 months |
| Premium | $29.99 | per year |
| Premium | $29.99 | per year |
| Premium | $46.99 | per year |

**What reviewers like**

- 🚀 Helps track sleep patterns
- 👍 Gentle alarm wakes you up
- 🌊 Soundscapes help fall asleep
- 💤 Provides sleep quality insights

**What reviewers complain about**

- 🐛 Alarm issues (fails to go off, resets unexpectedly)
- 🔋 Battery drain
- 💰 Paywall for core features
- 🤖 Inaccurate sleep tracking

**Reported bugs**

- Crashes on startup
- Freezing issues
- Inconsistent alarm behavior
- Lost sleep data after updates

**Requested features**

- Heart rate monitoring integration
- Sleep data export and analysis
- Apple Watch companion app
- More customization options


### SleepSpace

[App page](https://appshunter.io/ios/app/sleepspace-deep-sleep-tonight/id1193763939)

This app helps you fall asleep faster, sleep more deeply, and wake up refreshed with adaptive sounds, smart alarms, and personalized sleep tracking. It functions as a complete sleep system, integrating with your phone, wearables, or smart bedroom devices to strengthen natural sleep rhythms.

**Highlights:** Adaptive sounds for falling asleep, Smart alarm for refreshed waking, Personalized sleep tracking, Integration with wearables and smart devices, AI-powered sleep assistant, Privacy-first design

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Subscription | $6.99 | per month |
| Legacy Dave Asprey Monthly | $6.99 | per month |
| Premium Monthly Subscription | $12.99 | per month |
| Premium Monthly Subscription | $12.99 | per month |
| Premium Monthly Subscription | $12.99 | per month |
| Premium Yearly Subscription | $39.99 | per year |
| Legacy Dave Asprey Yearly | $49.99 | per year |
| Premium Yearly Subscription | $79.00 | per year |
| Premium Yearly Subscription | $79.00 | per year |
| Premium Yearly Subscription | $79.00 | per year |
| Sage Rader Inceptions | $19.99 | one-time |
| Lifetime SleepSpace Premium | $199.99 | one-time |
| Dave Asprey Lifetime | $199.99 | one-time |

**What reviewers like**

- 🚀 Deeper sleep
- 👍 Easy to use sleep diary
- 🔒 Integrates with wearables
- 👍 Helpful sleep coaching
- 🚀 Improved sleep quality

**What reviewers complain about**

- 🐛 Buggy and crashes
- 🔋 Battery drain
- 👎 Requires full access to health data
- 👎 Obnoxious free trial pop-ups
- 👎 Inaccurate sleep tracking

**Reported bugs**

- Frequent crashes
- Unreliable sleep data
- Connectivity issues with Apple Watch
- Notifications not working as expected

**Requested features**

- Fade in/out for sounds
- Offline mode support
- More customization options
- Better integration with other wearables
- Improved sleep analysis and reporting


## Frequently asked questions

### Is Sleep Time+ Cycle Alarm Clock free?

Sleep Time+ Cycle Alarm Clock is free to download, with in-app purchases available.

### Is SleepSpace free?

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

### Which has better reviews, Sleep Time+ Cycle Alarm Clock or SleepSpace?

Sleep Time+ Cycle Alarm Clock is rated higher. Sleep Time+ Cycle Alarm Clock averages 4.8 out of 5 from 2.5K ratings, while SleepSpace averages 4.2 from 858 ratings.

### Do Sleep Time+ Cycle Alarm Clock or SleepSpace have ads?

Sleep Time+ Cycle Alarm Clock shows ads; SleepSpace does not.

### Which is updated more often, Sleep Time+ Cycle Alarm Clock or SleepSpace?

Sleep Time+ Cycle Alarm Clock ships an update monthly, and SleepSpace weekly. Most recently, Sleep Time+ Cycle Alarm Clock was updated on October 29, 2026 and SleepSpace on October 29, 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.*