Delatsch Choke Calculator vs Signal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Delatsch Choke Calculator
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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.
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.
- Interactive dot/dash tapping
- Real-time scoring system
- Haptic feedback for errors
- 100+ word list
- Distraction-free design
- Optional sound feedback
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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
Verdict
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
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.
Delatsch Choke Calculator ships an update every 20 months, Signal monthly. Both last shipped on October 24, 2026.
| Parameter | Delatsch Choke Calculator | Signal |
|---|---|---|
| Price | $8.99 | Free — better |
| Rating | — | 5.0 (27 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 27 — better |
| Update frequency | Every 20 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.2 — better | 17.6 |
| Further details — not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Marko Delac | Benjamin Pelley |
In-app purchases
Delatsch Choke Calculator
No in-app purchases
Signal
No in-app purchases
Questions
Is Delatsch Choke Calculator free?
Is Signal free?
Do Delatsch Choke Calculator or Signal have ads?
Which is updated more often, Delatsch Choke Calculator or Signal?
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