Multinomial vs Frequency Conversion
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Multinomial
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This app computes binomial and multinomial (= polynomial) coefficients. The app runs now also on iPad.
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: ⢠Convert frequency values across Hz, kHz, MHz, GHz, and THz ⢠Calculate related wave properties such as wavelength and period ⢠Simple, readable conversion results ⢠Conversion history for reviewing recent calculations ⢠Reference information for common frequency ranges ⢠Clean design for students, engineers, hobbyists, and professionals ⢠Useful for audio, radio, wireless, electronics, physics, and telecom work ⢠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.
Screenshots
Verdict
The clearest difference is price: Multinomial at Free against Frequency Conversion's $2.99. Frequency Conversion's advantage is update cadence (every 22 months vs every 47 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Multinomial is free to download; Frequency Conversion costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Multinomial ships an update every 47 months, Frequency Conversion every 22 months. The most recent releases landed on October 26, 2026 and October 15, 2026 respectively.
| Parameter | Multinomial | Frequency Conversion |
|---|---|---|
| Price | Free ā better | $2.99 |
| Update frequency | Every 47 months | Every 22 months ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod ā better |
| Requires iOS | 18.6 | 17.6 ā better |
| Further details ā not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Reinhard MAENNER | Heng Jia Liang |
In-app purchases
Multinomial
No in-app purchases
Frequency Conversion
No in-app purchases
Questions
Is Multinomial free?
Is Frequency Conversion free?
Do Multinomial or Frequency Conversion have ads?
Which is updated more often, Multinomial or Frequency Conversion?
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