# Sleep Bug Pro vs ZenActivity

The clearest difference is update cadence: Sleep Bug Pro at monthly against ZenActivity's every 13 months. Sleep Bug Pro also leads on review sentiment (95% vs 65%) and rating (4.9 vs 4.5). ZenActivity's advantage is iOS requirement (14.0 vs 16.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Sleep Bug Pro costs $1.99 and ZenActivity $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sleep Bug Pro holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 132 and 58 respectively. Written reviews point the same way: 95% of Sleep Bug Pro's written reviews are positive against 65% of ZenActivity's.

Sleep Bug Pro ships an update monthly, ZenActivity every 13 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Sleep Bug Pro | ZenActivity |
| --- | --- | --- |
| Price | **$1.99** | $3.99 |
| Rating | **[4.9 (132 ratings)](https://appshunter.io/ios/app/sleep-bug-pro/id470476048/reviews)** | [4.5 (58 ratings)](https://appshunter.io/ios/app/zenactivity/id558152100/reviews) |
| Number of ratings | **132** | 58 |
| Positive reviews | **94.8% of reviews** | 65.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 13 months |
| Monetization | Paid | **Free** |
| Size | 225 MB | 13 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arnt-Henning Moberg](https://appshunter.io/developer/467483179) | [Gary Saggu](https://appshunter.io/developer/465733546) |

## 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


### ZenActivity

[App page](https://appshunter.io/ios/app/zenactivity/id558152100)

Create and save custom interval timers for workouts, yoga, and meditation. This app offers extensive customization for exercise and rest periods, allowing you to build up to five unique routines with unlimited steps. Enjoy background operation and music integration for a seamless practice.

**Highlights:** Save up to 5 workout routines, Unlimited customizable steps per routine, Second-level interval customization, Background operation with music support, ZEN-mode for distraction-free timing, Airplay support for Apple TV

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Bug Pro free?

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

### Is ZenActivity free?

ZenActivity costs $3.99, with no in-app purchases.

### Which has better reviews, Sleep Bug Pro or ZenActivity?

Sleep Bug Pro is rated higher. Sleep Bug Pro averages 4.9 out of 5 from 132 ratings, while ZenActivity averages 4.5 from 58 ratings.

### Do Sleep Bug Pro or ZenActivity have ads?

Neither Sleep Bug Pro nor ZenActivity shows ads.

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

Sleep Bug Pro ships an update monthly, and ZenActivity every 13 months. Most recently, Sleep Bug Pro was updated on October 24, 2026 and ZenActivity on October 23, 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.*