iFunctionGenerator vs KCMA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iFunctionGenerator
This utility transforms your iOS device into a versatile audio function generator. Create up to 20 independent generators producing various waveforms and noise types, with precise control over frequency, volume, and phase for each channel. Save and recall your settings for quick access.
- Multiple waveform generation (sine, triangle, sawtooth, square)
- Pink and white noise generation
- Up to 20 independent generators
- Independent left/right channel volume control
- Adjustable frequency from 1 to 20,000 Hz
- Phase control
- Save and load generator settings
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iFunctionGenerator turns your iPhone, iPad, or iPod Touch into an audio function generator. You can have up to 20 generators, each operating at a different frequency. Each generator can be one of the following types: • Sine Wave • Triangle Wave • Sawtooth Wave • Square Wave • Pink Noise • White Noise The volume of the left and right channels can be independently controlled, and may be set using either a slider for ease, or direct entry of the volume, for maximum precision. The relative phase of each channel may also be set. Frequencies from 1 to 20,000 Hz may be entered. The phase can vary between -360 to 360 degrees. The volume may be between 0 and 100 percent. The mute button makes it easy to quickly silence the audio generators. You can take snapshots of the generator settings. This lets you build a library of settings, and quickly load the desired settings.
KCMA
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It is used to operate Kechuang instruments to realize non-contact viewing and operation of instruments. The source of operation of the upper computer of the instrument is expanded, and the popularity is improved.
Screenshots
Verdict
The clearest difference is price: KCMA at Free against iFunctionGenerator's $2.99. KCMA also leads on update cadence (every 3 weeks vs every 12 months). iFunctionGenerator's advantage is iOS requirement (6.0 vs 12.4). On ads, in-app purchases and device support 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
KCMA is free to download; iFunctionGenerator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
iFunctionGenerator ships an update every 12 months, KCMA every 3 weeks. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.
| Parameter | iFunctionGenerator | KCMA |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.4 (9 ratings) — better | — |
| Positive reviews | 53.3% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 12 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 6.0 — better | 12.4 |
| Further details — not scored | ||
| Size | 1 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Black Cat Systems | Chengdu KeChuang Institute of Science and Culture |
In-app purchases
iFunctionGenerator
No in-app purchases
KCMA
No in-app purchases
Questions
Is iFunctionGenerator free?
Is KCMA free?
Do iFunctionGenerator or KCMA have ads?
Which is updated more often, iFunctionGenerator or KCMA?
Other comparisons
