Comparison

Delatsch Choke Calculator vs Signal

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

Head to head
About

Delatsch Choke Calculator

Features
Read full description

If you need to calculate the number of turns, wire thickness and core size for a filter choke you need for a guitar tube amp or hifi tube amp or any similar project this app is the simplest way to do it. You can calculate it in a matter of seconds. The app is extremely easy to use and there will be a full video tutorial available soon on my YouTube channel and support page.

About

Signal

Learn and practice Morse code with this engaging app. It offers interactive tapping, real-time scoring, and haptic feedback to make learning fun and effective. Ideal for beginners and those looking to refresh their skills.

Highlights
  • Interactive dot/dash tapping
  • Real-time scoring system
  • Haptic feedback for errors
  • 100+ word list
  • Distraction-free design
  • Optional sound feedback
Features
Read full description

Signal - Morse Code Practice Learn and practice Morse code the easy way. Whether you’re just starting out or brushing up on your skills, Signal makes it fun, simple, and effective. Features: • Tap out words using dot and dash buttons with instant feedback • Real-time scoring: 1 point for easy words, 10 points for hard ones • Haptic feedback for mistakes keeps you on track without breaking your flow • Growing word list with 100+ words covering the entire alphabet • Clean, distraction-free design for focused practice • Optional sound feedback to train your ear • Simple settings, including a quick Feedback link for ideas and suggestions Why Signal? Unlike static charts or drills, Signal gives you immediate response, gamified scoring, and a smooth interface designed for daily practice. Whether you’re studying for amateur radio, brushing up on maritime signals, or just love learning codes, Signal helps you get fluent in tapping Morse. More features coming soon: Listen & Decode mode, new challenges, and expanded word banks. Start learning Morse code today — fast, fun.

Screenshots

Delatsch Choke Calculator4 screens
Signal2 screens

Verdict

The call

The clearest difference is price: Signal at Free against Delatsch Choke Calculator's $8.99. Signal also leads on update cadence (monthly vs every 20 months). Delatsch Choke Calculator's advantage is iOS requirement (14.2 vs 17.6). On ads, in-app purchases 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

Signal is free to download; Delatsch Choke Calculator costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Delatsch Choke Calculator ships an update every 20 months, Signal monthly. Both last shipped on October 24, 2026.

Scorecard3 real differences · 7 level
Delatsch Choke Calculator versus Signal: the parameters behind the verdict, then further details
ParameterDelatsch Choke CalculatorSignal
Price$8.99Free — better
Rating—5.0 (27 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—27 — better
Update frequencyEvery 20 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.2 — better17.6
Further details — not scored
Size1 MB2 MB
Age rating4+4+
DeveloperMarko DelacBenjamin Pelley

In-app purchases

None

Delatsch Choke Calculator

No in-app purchases

None

Signal

No in-app purchases

Questions

Is Delatsch Choke Calculator free?
Delatsch Choke Calculator costs $8.99, with no in-app purchases.
Is Signal free?
Signal is free to download, with no in-app purchases.
Do Delatsch Choke Calculator or Signal have ads?
Neither Delatsch Choke Calculator nor Signal shows ads.
Which is updated more often, Delatsch Choke Calculator or Signal?
Delatsch Choke Calculator ships an update every 20 months, and Signal monthly. Most recently, Delatsch Choke Calculator was updated on October 24, 2026 and Signal on October 24, 2026.

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