Signal Code vs arDef
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Signal Code
This app is a comprehensive tool for learning and using Morse code. It allows instant translation between text and Morse code, offers an exploration of the Morse alphabet, and keeps a history of your translations for easy review and practice.
- Text-to-Morse translation
- Morse to text translation
- Morse alphabet exploration
- Translation history
- Learning tool
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SignalCode - Master Morse Code with Ease Unlock the power of Morse code with SignalCode, your ultimate tool for translating text to Morse and vice versa. Whether you're a beginner or an expert, SignalCode makes learning and using Morse code simple and fun. Key Features: Text-to-Morse Translation: Instantly translate any text into Morse code and vice versa, making communication in dots and dashes easy and efficient. Morse Code Alphabet Exploration: Dive deep into the intricacies of the Morse alphabet. Understand the patterns behind each letter and number through the simple combination of dots and dashes. Translation History: Never lose track of your translations. Easily revisit and review past translations, unlocking new opportunities for learning and practice.
arDef
Transform your device into a powerful measuring tool using augmented reality. Accurately measure dimensions, angles, and distances directly through your camera. Ideal for professionals and DIY enthusiasts, it offers intuitive controls and the ability to save and share your measurements.
- Accurate length, height, and width measurements
- Precise angle calculations
- Seamless distance measurement
- 3D space mapping of rooms
- Intuitive and user-friendly interface
- Save and share measurements
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Turn your device into a precise measuring tool with our cutting-edge augmented reality (AR) app. Perfect for professionals and everyday users alike, this app allows you to effortlessly measure dimensions, angles, and distances right through your camera. Features: - Accurate Measurements: Utilize advanced AR technology for measuring lengths, heights, and widths with precision. Ideal for home improvement, interior design, and beyond. - Angle Measurement: Easily determine angles, making it a must-have tool for DIY projects, carpenters, and engineers needing exact angle calculations. - Distance Calculation: Measure the distance between points seamlessly. Whether gauging space in a room or measuring objects, this app has you covered. - 3D Space Mapping: Capture and map entire rooms and spaces. Perfect for real estate, architecture, and event planning, providing a detailed spatial overview. - Intuitive Interface: The app offers user-friendly controls and clear instructions, allowing anyone to measure like an expert in no time. - Save & Share: Keep your measurements for future reference or share them directly with friends, colleagues, or clients.
Screenshots
Verdict
Signal Code and arDef both sit at 4.6 stars, but that hides the real split: 40% of Signal Code's written reviews are positive against 0% of arDef's. Signal Code also leads on ratings volume (105 vs 23). arDef's advantage is update cadence (every 6 days vs every 6 weeks). On price, rating, ads and in-app purchases 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
Both are free to download. Signal Code sells 2 in-app purchases, starting at $7.99 per 7 days and arDef sells 1 in-app purchase, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.6 for Signal Code against 4.5 for arDef. Both are backed by a comparable volume of ratings — 105 and 23 respectively. Written reviews are what separate them: 40% of Signal Code's written reviews are positive against 0% of arDef's.
Signal Code ships an update every 6 weeks, arDef every 6 days. The most recent releases landed on June 11, 2026 and August 7, 2026 respectively.
| Parameter | Signal Code | arDef |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (105 ratings) — better | 4.5 (23 ratings) |
| Positive reviews | 40.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 105 — better | 23 |
| Update frequency | Every 6 weeks | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 27 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Heliostar LTD | ANALYTIC SERVICES LTD |
Customer experience
Signal Code
arDef
In-app purchases
Signal Code
- Premium3 Days trial$7.997 Days
- Premium3 Days trial$9.997 Days
arDef
- Subscription3 Days trial$9.997 Days









