Comparison

Frequency Conversion vs Veiled Device Detector

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

Head to head
About

Frequency Conversion

Features
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Frequency Converter is a fast, practical tool for converting frequency units and understanding wave measurements with clarity. Whether you work with audio, radio, electronics, telecommunications, physics, engineering, or education, this app helps you calculate and compare frequency values in seconds. Convert between common frequency units including Hz, kHz, MHz, GHz, and THz, and view related wave information such as wavelength and period where applicable. The clean interface is designed for quick input, easy reading, and smooth everyday use, making it useful for students, technicians, radio enthusiasts, engineers, teachers, and anyone who needs reliable frequency calculations on iPhone. Frequency Converter is built to make technical conversions simple. Enter a value, choose your units, and instantly see the converted result. Use it when studying wave behavior, checking signal ranges, comparing audio frequencies, reviewing RF bands, or working through science and electronics problems. The app also includes helpful reference content so you can better understand frequency ranges and their real-world meaning. Key features include: β€’ Convert frequency values across Hz, kHz, MHz, GHz, and THz β€’ Calculate related wave properties such as wavelength and period β€’ Simple, readable conversion results β€’ Conversion history for reviewing recent calculations β€’ Reference information for common frequency ranges β€’ Clean design for students, engineers, hobbyists, and professionals β€’ Useful for audio, radio, wireless, electronics, physics, and telecom work β€’ Supports quick calculations without unnecessary complexity Frequency Converter is ideal for learning, field work, lab use, classroom exercises, and everyday technical reference. From low-frequency audio signals to high-frequency wireless and electromagnetic waves, the app gives you a convenient way to move between units and understand the numbers behind wave behavior. Download Frequency Converter to make frequency, wavelength, and period calculations faster, clearer, and easier to manage. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.

About

Veiled Device Detector

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When you're away from home, in a hotel room, a short-term rental, or even just using public Wi-Fi in a cafΓ© β€” your digital privacy can be quietly compromised. With devices becoming smaller and more discreet, it’s not always easy to tell what’s around you. That’s where this app comes in: a simple, powerful toolkit that helps you identify concealed connections and stay in control of your surroundings. With one tap, you can begin scanning for nearby Bluetooth and Wi-Fi devices. The app identifies all discoverable connections, making it easier to spot unfamiliar or potentially unauthorized devices in your environment. This is especially useful in places you don’t fully control, like rented apartments or shared offices, where extra devices may be silently running in the background. Infrared scanning offers a visual sweep of the space. Activate Infrared scanning mode and point your camera around, unexpected bright spots might reveal disguised electronics using infrared light. Many surveillance devices rely on invisible signals, and this tool lets you detect them quickly, with minimal effort. It’s a practical way to spot unwanted technology in everyday objects. In addition to detection, the app stores your scan history so you can track changes over time. Did something new appear since your last visit? Are certain devices showing up repeatedly in different locations? These insights help you build better digital awareness, even without deep tech knowledge. The interface is clean and built for speed. There are no unnecessary menus or clutter, just direct access to the features you need. Whether you’re a frequent traveler, a digital nomad, or someone simply concerned about security at home, this app puts visibility at your fingertips. ***Try our premium features: -Unlimited access to Wi-Fi and Bluetooth scans; -Full-featured infrared camera mode for deeper analysis; -IP address tracking and auto-refresh tools; -A smooth, ad-free experience with priority updates. **Exclusive Membership: Week Pass Get 3 free days to explore everything. For continuous access, your subscription automatically continues unless you disable auto-renewal in Account Settings at least one day before trial ends. Charges apply after initial confirmation. *Your personal data is securely stored on Application - be sure to read our privacy policy and terms and conditions: Privacy policy:https://perrydesign04.digital/PrivacyPolicy.html Review our Terms of Use to learn how we safeguard your data:https://perrydesign04.digital/TermsOfUse.html Write to our support team:e.perry@perrydesign04.digital

Screenshots

Frequency Conversion4 screens
Veiled Device Detector4 screens

Verdict

The call

The clearest difference is price: Veiled Device Detector at Free against Frequency Conversion's $2.99. Veiled Device Detector also leads on update cadence (every 4 days vs every 22 months). Frequency Conversion's advantage is in-app purchases (none vs 2) and ads (none vs shown). On iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Veiled Device Detector is free to download; Frequency Conversion costs $2.99 up front. Veiled Device Detector sells 2 in-app purchases, starting at $7.99 per 7 days. Frequency Conversion asks for nothing beyond the download.

UpkeepUpdate frequency

Frequency Conversion ships an update every 22 months, Veiled Device Detector every 4 days. Both last shipped on September 11, 2026.

Scorecard5 real differences Β· 1 level
Frequency Conversion versus Veiled Device Detector: the parameters behind the verdict, then further details
ParameterFrequency ConversionVeiled Device Detector
Price$2.99Free β€” better
Update frequencyEvery 22 monthsEvery 4 days β€” better
AdsNo β€” betterYes
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPod β€” betteriPhone
Requires iOS17.616.0 β€” better
Further details β€” not scored
Size2 MB56 MB
Age rating4+4+
DeveloperHeng Jia LiangEva Perry

In-app purchases

None

Frequency Conversion

No in-app purchases

2 purchases

Veiled Device Detector

Subscriptions2
  • Veiled Device Detector - Anti$7.997 Days
  • Veiled Device Detector - Anti3 Days trial$8.997 Days

Questions

Is Frequency Conversion free?
Frequency Conversion costs $2.99, with no in-app purchases.
Is Veiled Device Detector free?
Veiled Device Detector is free to download, with in-app purchases available.
Do Frequency Conversion or Veiled Device Detector have ads?
Veiled Device Detector shows ads; Frequency Conversion does not.
Which is updated more often, Frequency Conversion or Veiled Device Detector?
Frequency Conversion ships an update every 22 months, and Veiled Device Detector every 4 days. Most recently, Frequency Conversion was updated on September 11, 2026 and Veiled Device Detector on September 11, 2026.

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