# Sleep++ vs Sleep Cycle Bedtime Calculator

Sleep++ and Sleep Cycle Bedtime Calculator both sit at 4.1 stars, but that hides the real split: 80% of Sleep Cycle Bedtime Calculator's written reviews are positive against 39% of Sleep++'s. Sleep Cycle Bedtime Calculator also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). Sleep++'s advantage is ratings volume (5.7K vs 303). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Sleep++ sells 1 one-off in-app purchase and Sleep Cycle Bedtime Calculator sells 3 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.1 for Sleep++ against 4.1 for Sleep Cycle Bedtime Calculator. That said, the two scores are not equally well evidenced: Sleep++ has 5.7K ratings behind it against 303, so its average is the more settled of the two. Written reviews are what separate them: 39% of Sleep++'s written reviews are positive against 80% of Sleep Cycle Bedtime Calculator's.

Sleep++ ships an update every 2 months, Sleep Cycle Bedtime Calculator every 3 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sleep++ | Sleep Cycle Bedtime Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (5.7K ratings)](https://appshunter.io/ios/app/sleep-plus-plus/id1038440371/reviews) | **[4.1 (303 ratings)](https://appshunter.io/ios/app/sleep-cycle-bedtime-calculator/id1668639153/reviews)** |
| Number of ratings | **5.7K** | 303 |
| Positive reviews | 38.6% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 11 MB | 35 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Cross Forward Consulting, LLC](https://appshunter.io/developer/295660206) | [Kai Oelfke](https://appshunter.io/developer/644779478) |

## What reviewers say

### Sleep++

[App page](https://appshunter.io/ios/app/sleep-plus-plus/id1038440371)

This app automatically tracks your sleep duration and quality using your Apple Watch. Gain insights into your rest patterns to improve your sleep routines. Offers both automatic and manual tracking options for personalized control.

**Highlights:** Automatic sleep tracking, Sleep duration measurement, Sleep quality analysis, Manual sleep tracking, Health App integration, Detailed nightly reports

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Development | $1.99 | one-time |

**What reviewers like**

- 🚀 Great tracking
- 👍 Easy to use
- 💡 Detailed sleep data
- 👍 Accurate
- 🚀 Works perfectly with Apple Watch

**What reviewers complain about**

- 🐛 No deeper analysis beyond health app data
- 🐛 Inconsistent output from night to night
- 🐛 Requires going to bed at the same time every day
- 🐛 Fails to account for menstrual cycle changes
- 🐛 Stops working after updates

**Reported bugs**

- Doubles data on some nights
- Misses some nights of sleep
- Incorrectly records awake time as sleep
- Stops working after iOS updates

**Requested features**

- Add sleep diary
- Include pre-sleep factors
- Graph core sleep, deep sleep, and REM over time
- Add alarm that wakes during light sleep
- Integrate with Fitbit data


### Sleep Cycle Bedtime Calculator

[App page](https://appshunter.io/ios/app/sleep-cycle-bedtime-calculator/id1668639153)

This app helps you determine optimal wake-up and bedtime based on sleep cycles. It calculates ideal times to go to sleep and wake up to feel more refreshed, considering the average 90-minute sleep cycle duration. You can also customize your estimated time to fall asleep.

**Highlights:** Calculate optimal wake-up times, Calculate optimal bedtime, Based on 90-minute sleep cycles, Supports 5-6 sleep cycles, Customizable fall asleep time, Apple Watch support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SleepCalc Pro Yearly | $4.99 | per year |
| SleepCalc Pro Yearly | $4.99 | per year |
| SleepCalc Pro | $9.99 | one-time |

**What reviewers like**

- 🆓 Completely free with no ads or data collection
- 👍 Simple and intuitive user interface
- 🎯 Accurate sleep cycle calculations based on 90-minute cycles
- ⚡ Quick and easy to use
- 📊 Shows multiple sleep time options and highlights best choices

**What reviewers complain about**

- 😕 Confusing interface for some users
- 🐛 Unresponsive touch controls reported
- 📉 Lacks visual graphs and data visualization
- ❌ No detailed sleep analysis or insights
- 🔄 Settings reset when app is closed

**Reported bugs**

- Touch screen unresponsive
- App settings reset upon closing
- Alarm goes off at unintended times
- Skips certain time slots in calculations
- Confusing icon similarity with Apple Watch app

**Requested features**

- Add graphs and visual data representations
- Integrate with Apple Health or Fitbit data
- Display number of sleep cycles achieved
- Built-in alarm functionality
- Persist settings when closing app


## Frequently asked questions

### Is Sleep++ free?

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

### Is Sleep Cycle Bedtime Calculator free?

Sleep Cycle Bedtime Calculator is free to download, with in-app purchases available.

### Which has better reviews, Sleep++ or Sleep Cycle Bedtime Calculator?

Sleep Cycle Bedtime Calculator is rated higher. Sleep++ averages 4.1 out of 5 from 5.7K ratings, while Sleep Cycle Bedtime Calculator averages 4.1 from 303 ratings.

### Do Sleep++ or Sleep Cycle Bedtime Calculator have ads?

Sleep++ shows ads; Sleep Cycle Bedtime Calculator does not.

### Which is updated more often, Sleep++ or Sleep Cycle Bedtime Calculator?

Sleep++ ships an update every 2 months, and Sleep Cycle Bedtime Calculator every 3 months. Most recently, Sleep++ was updated on October 26, 2026 and Sleep Cycle Bedtime Calculator 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.*