Comparison

SignalLearning vs WabunMorsePro

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

Head to head
About

SignalLearning

Learn the modern semaphore alphabet with this app. It presents 26 letters and 10 numbers, designed to make memorization easy and provide a testing mechanism for your knowledge.

Highlights
  • Modern semaphore alphabet
  • 26 letters and 10 numbers
  • Learning aid
  • Memorization testing
  • Visual signal presentation
Features
Read full description

The flag signals presented here are after the modern semaphore alphabet seen from front. Contains 26 letters and 10 numbers. The app is intended to make learning of semaphore alphabet easy and also a test to check your memorization of the signals.

About

WabunMorsePro

Learn Japanese KANA-based Morse code with this comprehensive practice app. It offers step-by-step lessons, random generation for reception practice, and customizable audio settings. Additional features include reverb, noise simulation, and various keying methods for realistic training.

Highlights
  • KANA Morse code learning
  • Step-by-step study modules
  • Random generation for reception practice
  • Customizable playback speed and tone
  • Reverb and noise simulation
  • Multiple keying methods
  • Adjustable sound training
Features
Read full description

Wabun is Japanese KANA based Morse-Code. Only KANA can be learned. You are able to study the Wabun Morse codes by steps. There is a random generation function, you can practice receiving of Wabun Morse. You can also freely select the volume, playback speed, and playback tone. 【additional function】 1) Reverb function 2) Noise function 3) Repeat function (Endless & Time specification) 4) Added a function to switch between hardware and software for keying waveforms. 5) Added accurate / fuzzy function as a keying method 6) Added adjustment function (10-step adjustment) for high-speed sound training. 7) Added omit function ヰ and ヱ of Random Listen mode 8) Added buffer mode function of Code Study mode 9) A function that allows you to select the Morse code generation waveform from "sine waveform, triangular waveform, rectangular wave system, and sawtooth waveform" The "reverb function" simulates the reverberation of the test site. The "noise function" mutes the noise during actual communication. "Fuzzy keying" is a function that reproduces a fluctuating signal like a vertical key that a person hits. Even if there is a little fluctuation, the reception difficulty will go up sharply. Supported the QSB function.

Screenshots

SignalLearning4 screens
WabunMorsePro4 screens

Verdict

The call

The clearest difference is update cadence: WabunMorsePro at every 5 weeks against SignalLearning's every 19 months. WabunMorsePro also leads on iOS requirement (12.0 vs 15.6). SignalLearning's advantage is price ($0.99 vs $2.99). On ads, in-app purchases, monetization model 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

SignalLearning costs $0.99 and WabunMorsePro $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SignalLearning ships an update every 19 months, WabunMorsePro every 5 weeks. The most recent releases landed on October 20, 2026 and October 23, 2026 respectively.

Scorecard3 real differences · 7 level
SignalLearning versus WabunMorsePro: the parameters behind the verdict, then further details
ParameterSignalLearningWabunMorsePro
Price$0.99 — better$2.99
Rating2.0 (1 ratings) — better—
Positive reviews—100.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 19 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size5 MB11 MB
Age rating4+4+
Developerdomesticusdevelopkoji kamogawa

Customer experience

SignalLearning

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

WabunMorsePro

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SignalLearning

No in-app purchases

None

WabunMorsePro

No in-app purchases

Questions

Is SignalLearning free?
SignalLearning costs $0.99, with no in-app purchases.
Is WabunMorsePro free?
WabunMorsePro costs $2.99, with no in-app purchases.
Do SignalLearning or WabunMorsePro have ads?
Neither SignalLearning nor WabunMorsePro shows ads.
Which is updated more often, SignalLearning or WabunMorsePro?
SignalLearning ships an update every 19 months, and WabunMorsePro every 5 weeks. Most recently, SignalLearning was updated on October 20, 2026 and WabunMorsePro on October 23, 2026.

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