# Sleep Bug Pro vs Train ARCUS

The clearest difference is price: Train ARCUS at Free against Sleep Bug Pro's $1.99. Sleep Bug Pro's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

Train ARCUS is free to download; Sleep Bug Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sleep Bug Pro ships an update monthly, Train ARCUS every 6 weeks. The most recent releases landed on October 14, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Sleep Bug Pro | Train ARCUS |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.9 (132 ratings)](https://appshunter.io/ios/app/sleep-bug-pro/id470476048/reviews)** | — |
| Number of ratings | **132** | — |
| Positive reviews | 94.8% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Paid | — |
| Size | 225 MB | 90 MB |
| Requires iOS | 16.0 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Arnt-Henning Moberg](https://appshunter.io/developer/467483179) | [PushPress, Inc.](https://appshunter.io/developer/688595778) |

## What reviewers say

### Sleep Bug Pro

[App page](https://appshunter.io/ios/app/sleep-bug-pro/id470476048)

This app offers a wide variety of ambient soundscapes and white noise to help users relax, concentrate, or fall asleep. It features a diverse collection of high-quality scenes and individual sound effect adjustments for a personalized experience.

**Highlights:** 24 high-quality sound scenes, Over 300 individual sounds, Customizable sound mixing, Background playback, Sleep timer, Individual volume control, No ads

**In-app purchases:** none

**What reviewers like**

- 🌊 Soothing and relaxing sounds
- 🕰️ Customizable timer
- 🎨 Variety of sound environments
- 🔊 Ability to adjust individual sound levels
- 💤 Helps with sleep and relaxation

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔋 Drains battery when running in the background
- 🔊 Some sounds are too loud or harsh
- 🔍 Difficult to navigate or find desired sounds

**Reported bugs**

- Sudden sound stopping wakes up users
- Compatibility issues with newer devices
- Unreliable background playback

**Requested features**

- Gradual volume fade-out before stopping
- Alarm clock integration
- More natural and ambient sound options
- Playlist or sequence of sounds
- Ability to save custom sound mixes


### Train ARCUS

[App page](https://appshunter.io/ios/app/train-arcus/id6754088456)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Bug Pro free?

Sleep Bug Pro costs $1.99, with no in-app purchases.

### Is Train ARCUS free?

Train ARCUS is free to download, with no in-app purchases.

### Do Sleep Bug Pro or Train ARCUS have ads?

Train ARCUS shows ads; Sleep Bug Pro does not.

### Which is updated more often, Sleep Bug Pro or Train ARCUS?

Sleep Bug Pro ships an update monthly, and Train ARCUS every 6 weeks. Most recently, Sleep Bug Pro was updated on October 14, 2026 and Train ARCUS on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*