# Sleep Cycle Bedtime Calculator vs Bedtime Bully

The clearest difference is monetization model: Sleep Cycle Bedtime Calculator at free against Bedtime Bully's free with in-app purchases. Sleep Cycle Bedtime Calculator also leads on ratings volume (303 vs 3). Bedtime Bully's advantage is update cadence (every 3 weeks vs every 3 months) and rating (4.3 vs 4.1). On price, ads, in-app purchases and device support there is nothing between them.

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

Bedtime Bully holds the better App Store score, 4.3 against 4.1. That said, the two scores are not equally well evidenced: Sleep Cycle Bedtime Calculator has 303 ratings behind it against 3, so its average is the more settled of the two.

Sleep Cycle Bedtime Calculator ships an update every 3 months, Bedtime Bully every 3 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Sleep Cycle Bedtime Calculator | Bedtime Bully |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (303 ratings)](https://appshunter.io/ios/app/sleep-cycle-bedtime-calculator/id1668639153/reviews) | **[4.3 (3 ratings)](https://appshunter.io/ios/app/bedtime-bully/id6466557115/reviews)** |
| Number of ratings | **303** | 3 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 35 MB | 4 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kai Oelfke](https://appshunter.io/developer/644779478) | [Robert J Sarvis Jr](https://appshunter.io/developer/1531648349) |

## What reviewers say

### 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


### Bedtime Bully

[App page](https://appshunter.io/ios/app/bedtime-bully/id6466557115)

This application provides timely reminders to help users wind down and go to bed on schedule. It offers both a consistent global bedtime setting and a flexible weekly schedule to manage different bedtimes throughout the week.

**Highlights:** Bedtime reminders, Global bedtime setting, Weekly bedtime schedule, Customizable notifications (upcoming), Bedtime history analytics (upcoming)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Weekly Bedtime Schedule | $1.99 | one-time |


## Frequently asked questions

### Is Sleep Cycle Bedtime Calculator free?

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

### Is Bedtime Bully free?

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

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

Bedtime Bully is rated higher. Sleep Cycle Bedtime Calculator averages 4.1 out of 5 from 303 ratings, while Bedtime Bully averages 4.3 from 3 ratings.

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

Neither Sleep Cycle Bedtime Calculator nor Bedtime Bully shows ads.

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

Sleep Cycle Bedtime Calculator ships an update every 3 months, and Bedtime Bully every 3 weeks. Most recently, Sleep Cycle Bedtime Calculator was updated on October 24, 2026 and Bedtime Bully on October 21, 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.*