Frequency Conversion vs Percentage Calculator All in 1
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Frequency Conversion
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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: โข Convert frequency values across Hz, kHz, MHz, GHz, and THz โข Calculate related wave properties such as wavelength and period โข Simple, readable conversion results โข Conversion history for reviewing recent calculations โข Reference information for common frequency ranges โข Clean design for students, engineers, hobbyists, and professionals โข Useful for audio, radio, wireless, electronics, physics, and telecom work โข 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.
Percentage Calculator All in 1
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Percentage Calculator. Do you need a quick and easy to use percentage calculator? No problem, here it is. Enter any two values to get the result in no time: What is x percent of ...? X is what percent of ...? What percent of ... is x? X is ... percent of what? What is x increased by ... percent? What is x decreased by ... percent? What is the percent change from x to ... ? What is x percent as a decimal? No fuss calculator. Does what it says on the tin.
Screenshots
Verdict
The clearest difference is price: Percentage Calculator All in 1 at Free against Frequency Conversion's $2.99. Percentage Calculator All in 1 also leads on update cadence (every 2 months vs every 22 months) and iOS requirement (12.1 vs 17.6). On ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Percentage Calculator All in 1 is free to download; Frequency Conversion costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Frequency Conversion ships an update every 22 months, Percentage Calculator All in 1 every 2 months. Both last shipped on November 3, 2026.
| Parameter | Frequency Conversion | Percentage Calculator All in 1 |
|---|---|---|
| Price | $2.99 | Free โ better |
| Update frequency | Every 22 months | Every 2 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 17.6 | 12.1 โ better |
| Further details โ not scored | ||
| Size | 2 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Heng Jia Liang | Krzysztof Gwiazda |
In-app purchases
Frequency Conversion
No in-app purchases
Percentage Calculator All in 1
No in-app purchases
Questions
Is Frequency Conversion free?
Is Percentage Calculator All in 1 free?
Do Frequency Conversion or Percentage Calculator All in 1 have ads?
Which is updated more often, Frequency Conversion or Percentage Calculator All in 1?
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