# Bedtime Sleep Cycles vs Voltcraft VC

The clearest difference is update cadence: Voltcraft VC at every 2 months against Bedtime Sleep Cycles's every 6 months. Bedtime Sleep Cycles's advantage is iOS requirement (9.0 vs 11.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Bedtime Sleep Cycles ships an update every 6 months, Voltcraft VC every 2 months. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Bedtime Sleep Cycles | Voltcraft VC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/bedtime-sleep-cycles/id703861888/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 1 MB | 13 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Zachary Howe](https://appshunter.io/developer/420928661) | [CEI Conrad Electronic International (HK) Limited](https://appshunter.io/developer/756357900) |

## What reviewers say

### Bedtime Sleep Cycles

[App page](https://appshunter.io/ios/app/bedtime-sleep-cycles/id703861888)

This utility helps you determine the optimal time to wake up by visualizing sleep cycles. Simply adjust colored bars on a clock to find a wake-up time that aligns with the height of your sleep cycle, helping you feel more refreshed.

**Highlights:** Visualize sleep cycles, Adjust wake-up times, Optimal sleep timing, Red, yellow, blue sleep indicators, Lightweight design

**Features:** macOS Compatibility

**In-app purchases:** none


### Voltcraft VC

[App page](https://appshunter.io/ios/app/voltcraft-vc-41/id6740763421)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bedtime Sleep Cycles free?

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

### Is Voltcraft VC free?

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

### Do Bedtime Sleep Cycles or Voltcraft VC have ads?

Neither Bedtime Sleep Cycles nor Voltcraft VC shows ads.

### Which is updated more often, Bedtime Sleep Cycles or Voltcraft VC?

Bedtime Sleep Cycles ships an update every 6 months, and Voltcraft VC every 2 months. Most recently, Bedtime Sleep Cycles was updated on October 13, 2026 and Voltcraft VC on October 3, 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.*