Serenity 4K vs Code Rain
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Serenity 4K
Experience hyper-realistic relaxation with breathtaking 4K videos and audio. Choose from various nature scenes, fireplaces, or aquariums. This app also provides weather information and an interactive 3D Earth, making it a versatile tool for unwinding.
- 4K Ultra HD cinema quality video and audio
- Variety of relaxation scenes (beaches, fireplaces, aquariums)
- Interactive 3D Earth with live data
- On-demand 4K video downloading
- Customizable widgets for weather and time
- Automatic location detection for weather
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**Please note this app will scale to the maximum resolution of your device, but is 4K ready and future-proof!** Introducing Serenity 4K: The ultimate Ultra HD Relaxation and Meditation application. Serenity 4K features breathtaking true cinema quality 4K video and audio that include Architecture, Beaches, Trees, Lakes, Ponds, Pools, Fountains, Fireplaces, Aquariums, and more! Feeling stressed? Relax by listening to deep ocean breezes and stunning visuals, sit cozy with and hear the warm sparks of a Fireplace, watch and listen to fish swimming in a clear pond, relax sitting on an exotic beach in Thailand, or meditate to the sound of forest leaves in nature. If that wasn’t enough, Serenity 4K also displays weather information, includes a 3D Earth with live data, and even has various Radars to choose from making Serenity 4K four applications in one. With Serenity 4K, relaxation, meditation, or taking a nap has never been so hyper-realistic and enjoyable! Serenity can also optionally display useful information such as Weather and Time and allows you to customize on screen Widgets (or no Widgets at all) as well as choosing a custom 4K video super easily. Serenity 4K can also automatically delete and re-download 4K videos as needed to optimize for your hard drive space and more! And best of all, Serenity 4K is Universal, so with one purchase you get the application for iPhone, iPad, and Apple TV! Super Cool Features! - Relax/Meditate/Take a Nap to 4K Ultra HD cinema quality video with full audio sound effects - 4K Videos include: Architecture, Beaches, Trees, Lakes, Ponds, Pools, Fountains, Fireplaces, Aquariums, and more - Choose a Custom 4K Video with Graphical Theme Chooser - Choose three different Widget Styles providing timely and useful information; or no Widgets at all - Interactive 3D Earth with Live Clouds, Earthquakes, and Tropical Cyclones - On-Demand downloading of 4K videos automatically optimizes hard disk space - Weather works for hundreds of thousands of locations worldwide -Automatic Location Detection or Manually enter Locations for Weather - Unlimited Multiple Weather Locations - Imperial/Metric System (Fahrenheit/Celsius) Weather support - Incredibly easy to use!
Code Rain
Experience a digital code rain effect, inspired by the iconic Matrix visuals. This simulator offers a simple, offline experience with no data collection. Choose between a free version with limited full-screen play or a Pro version for uninterrupted immersion.
- Digital code rain effect
- Matrix-inspired visuals
- Offline functionality
- No data collection
- Full-screen mode
- Adjustable settings
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A digital code rain effect simulator. Matrix fans, enjoy! Simple and easy to use. No internet required. No data collected. Base Vs Pro version: - Both base version and pro version provide the same settings. - Base version has limited full screen play time (settings dialog will show up again after certain time, or screen going off depending on idle/auto-lock settings of your phone). - Pro version allows the full screen mode to run indefinitely, it also prevents the screen from going off.
Screenshots
Verdict
The clearest difference is price: Code Rain at Free against Serenity 4K's $2.99. Code Rain also leads on review sentiment (38% vs 0%) and update cadence (every 3 months vs every 8 months). Serenity 4K's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Code Rain is free to download; Serenity 4K costs $2.99 up front. Code Rain sells 1 one-off in-app purchase. Serenity 4K asks for nothing beyond the download.
Serenity 4K ships an update every 8 months, Code Rain every 3 months. The most recent releases landed on October 8, 2026 and October 30, 2026 respectively.
| Parameter | Serenity 4K | Code Rain |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | — | 3.9 (14 ratings) — better |
| Positive reviews | 0.0% of reviews | 37.5% of reviews — better |
| Number of ratings | — | 14 — better |
| Update frequency | Every 8 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod, Apple TV — better | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 29 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Mach Software Design | Hanquan Liang |
Customer experience
Serenity 4K
Code Rain
In-app purchases
Serenity 4K
No in-app purchases
Code Rain
- Pro$4.99
Questions
Is Serenity 4K free?
Is Code Rain free?
Do Serenity 4K or Code Rain have ads?
Which is updated more often, Serenity 4K or Code Rain?
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