AR Blocks vs CW Decoder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AR Blocks
Create and build virtual structures in augmented reality using a variety of blocks and textures. You can even use your own photos for custom designs. Share your creations or export 3D models.
- Build AR structures in the air
- Wide range of block shapes and sizes
- Use custom textures or your own photos
- Export 3D models
- Share screenshots of creations
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Welcome to the world of fun, build and play! You can create AR structures in the air! Build a wall, build a house, or even a castle! Explore the wide range of textures provided, or you can even use your own photo for added creativity and fun! There are also many shapes and sizes for your blocks- cones, cubes, spheres and many more! It is a fun yet simple-to-use app which will blow your mind. Let your creativity flow! Download now to play! You can share a screenshot with your friend, or use Finder to export the 3D models to the computer.
CW Decoder
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High-Precision Morse Code Decoder(AI greatly improved the decoding rate!) Achieve noise-resistant, accurate Morse code decoding with high-precision, sample-level signal processing. Try the superior “listening performance” in the free version. Differences Between Free and Full Versions This app lets everyone try the high-performance decoding engine for free. Free Version - Continuous decoding: Up to 3 minutes per session (restart anytime, unlimited times) - Basic font display Ideal for testing performance and checking short communications. Full Version (Paid Add-on) - Unlimited time: For long ragchews and continuous monitoring - Font settings: Customize font type and size for better visibility Recommended for active operation and a stress-free learning experience. Main Features & Technology High-Precision Real-Time Decoding - Speed range: 5–50 WPM (auto-adjust speed and threshold) - Frequency detection: 400–900 Hz (automatically tracks the strongest signal) Advanced Signal Processing - Bandpass filter: Narrowband filtering reduces unwanted noise - AGC (Automatic Gain Control): Compensates for signal level changes and fading - Noise blanker: Reduces spike noise using MAD (Median Absolute Deviation) - Signal stabilization: Multi-sample buffering helps prevent false detections Designed for Real-World Use - Scrollable text: Review and check missed content - Frequency lock: Tracks the actual operating frequency range (400–900 Hz) - Visual support: On-screen text supports listening and copying Recommended For Morse Code Beginners Great for those getting started with Morse code. Seeing decoded text while listening helps self-correction and improves learning efficiency. Amateur Radio Operators - CW practice: Compare results with your own copying to find weak points - Contests: Helpful for high-speed reception support and log checking - Portable ops: No PC needed—build a CW reception setup with just a smartphone Comeback Hams & Experts Useful for reducing fatigue during long monitoring sessions and supporting operators with hearing decline. Powerful filtering helps decoding in weak-signal or interference conditions. Note: Microphone permission is used only for signal analysis. No audio is saved or transmitted.
Screenshots
Verdict
The clearest difference is price: CW Decoder at Free against AR Blocks's $0.99. CW Decoder also leads on update cadence (weekly vs every 3 months). AR Blocks'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
CW Decoder is free to download; AR Blocks costs $0.99 up front. CW Decoder sells 1 one-off in-app purchase. AR Blocks asks for nothing beyond the download.
AR Blocks ships an update every 3 months, CW Decoder weekly. The most recent releases landed on September 22, 2026 and September 25, 2026 respectively.
| Parameter | AR Blocks | CW Decoder |
|---|---|---|
| Price | $0.99 | Free — better |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.2 — better |
| Further details — not scored | ||
| Size | 20 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Virtual GS | Keiya Chiba |
In-app purchases
AR Blocks
No in-app purchases
CW Decoder
- Unlock Full Version$2.99









