Comparison

DOTEC 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

DOTEC

This audio application offers advanced equalization with a simplified interface, featuring just two sliders for bass and treble adjustments. It provides powerful sound shaping capabilities for iOS devices, including AudioUnit V3 support.

Highlights
  • Two-slider equalization
  • Semi-automatic EQ
  • Bass and treble adjustment
  • AudioUnit V3 support
  • Easy to use interface
Features
Read full description

DOTEC-AUDIO presents DeeEQ, as a popular "Equalizer" for MacOS, now available for iOS, including AudioUnit V3 support. DeeEQ has great equalization with just 2 sliders. It's a semi-automatic EQ with just 2 sliders for great equalization, and it's easy to use, with just a few simple "turn up (or down) the bass (treble)" commands. Main Functions - Cut and boost with vertical slider. - Use the horizontal slider to adjust the effect to a bass & treble.

About

CW Decoder

Features
Read full description

High-Precision Morse Code Decoder 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

DOTEC1 screens
CW Decoder2 screens

Verdict

The call

The clearest difference is price: CW Decoder at Free against DOTEC's $7.99. CW Decoder also leads on update cadence (weekly vs every 7 months). DOTEC's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 17.2). On ads and device support 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; DOTEC costs $7.99 up front. CW Decoder sells 1 one-off in-app purchase. DOTEC asks for nothing beyond the download.

UpkeepUpdate frequency

DOTEC ships an update every 7 months, CW Decoder weekly. The most recent releases landed on September 15, 2026 and September 9, 2026 respectively.

Scorecard4 real differences · 5 level
DOTEC versus CW Decoder: the parameters behind the verdict, then further details
ParameterDOTECCW Decoder
Price$7.99Free — better
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 7 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.2
Further details — not scored
Size11 MB1 MB
Age rating4+4+
Developerfmfmsoft Corp.Keiya Chiba

In-app purchases

None

DOTEC

No in-app purchases

1 purchases

CW Decoder

One-time1
  • Unlock Full Version$2.99

Questions

Is DOTEC free?
DOTEC costs $7.99, with no in-app purchases.
Is CW Decoder free?
CW Decoder is free to download, with in-app purchases available.
Do DOTEC or CW Decoder have ads?
Neither DOTEC nor CW Decoder shows ads.
Which is updated more often, DOTEC or CW Decoder?
DOTEC ships an update every 7 months, and CW Decoder weekly. Most recently, DOTEC was updated on September 15, 2026 and CW Decoder on September 9, 2026.

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