Comparison

AR Blocks vs CW Decoder

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Read full description

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.

About

CW Decoder

Features
Read full description

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

AR Blocks4 screens
CW Decoder2 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 5 level
AR Blocks versus CW Decoder: the parameters behind the verdict, then further details
ParameterAR BlocksCW Decoder
Price$0.99Free — better
Positive reviews100.0% of reviews—
Update frequencyEvery 3 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017.2 — better
Further details — not scored
Size20 MB12 MB
Age rating4+4+
DeveloperVirtual GSKeiya Chiba

In-app purchases

None

AR Blocks

No in-app purchases

1 purchases

CW Decoder

One-time1
  • Unlock Full Version$2.99

Questions

Is AR Blocks free?
AR Blocks costs $0.99, with no in-app purchases.
Is CW Decoder free?
CW Decoder is free to download, with in-app purchases available.
Do AR Blocks or CW Decoder have ads?
Neither AR Blocks nor CW Decoder shows ads.
Which is updated more often, AR Blocks or CW Decoder?
AR Blocks ships an update every 3 months, and CW Decoder weekly. Most recently, AR Blocks was updated on September 22, 2026 and CW Decoder on September 25, 2026.

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