Comparison

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.

Head to head
About

Frequency Conversion

Features
Read full description

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: โ€ข Convert frequency values across Hz, kHz, MHz, GHz, and THz โ€ข Calculate related wave properties such as wavelength and period โ€ข Simple, readable conversion results โ€ข Conversion history for reviewing recent calculations โ€ข Reference information for common frequency ranges โ€ข Clean design for students, engineers, hobbyists, and professionals โ€ข Useful for audio, radio, wireless, electronics, physics, and telecom work โ€ข 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

Percentage Calculator All in 1

Features
Read full description

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

Frequency Conversion4 screens
Percentage Calculator All in 14 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

Frequency Conversion ships an update every 22 months, Percentage Calculator All in 1 every 2 months. Both last shipped on November 3, 2026.

Scorecard3 real differences ยท 3 level
Frequency Conversion versus Percentage Calculator All in 1: the parameters behind the verdict, then further details
ParameterFrequency ConversionPercentage Calculator All in 1
Price$2.99Free โ€” better
Update frequencyEvery 22 monthsEvery 2 months โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS17.612.1 โ€” better
Further details โ€” not scored
Size2 MB14 MB
Age rating4+4+
DeveloperHeng Jia LiangKrzysztof Gwiazda

In-app purchases

None

Frequency Conversion

No in-app purchases

None

Percentage Calculator All in 1

No in-app purchases

Questions

Is Frequency Conversion free?
Frequency Conversion costs $2.99, with no in-app purchases.
Is Percentage Calculator All in 1 free?
Percentage Calculator All in 1 is free to download, with no in-app purchases.
Do Frequency Conversion or Percentage Calculator All in 1 have ads?
Neither Frequency Conversion nor Percentage Calculator All in 1 shows ads.
Which is updated more often, Frequency Conversion or Percentage Calculator All in 1?
Frequency Conversion ships an update every 22 months, and Percentage Calculator All in 1 every 2 months. Most recently, Frequency Conversion was updated on November 3, 2026 and Percentage Calculator All in 1 on November 3, 2026.

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