Generator vs MF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Generator
Generate professional-grade audio signals like sine waves, square waves, and various noise types. Offers precise frequency control and remote operation via WiFi. Ideal for audio testing and production.
- Sine, square, white noise, and pink noise generation
- Precise frequency control (20Hz-20kHz)
- Octave, 1/3 octave, and fine frequency resolution
- Remote control over WiFi via AudioTools app
- Warble-tone signal generation
- Stereo or mono output options
Read full descriptionHide full description
A high-quality audio Signal Generator for the iPhone. Now you can have a professional grade signal generator for your iPhone. Create sine waves, square waves, white noise, and pink noise. Don't let the well-worn look of this classic audio must-have fool you, Generator is accurate, reliable, precise, and clean. ** NEW! Now supports remote control over WiFi from our AudioTools app. Connect an iOS device running Generator to your audio system, link to AudioTools on another device, and control Generator from AudioTools as you are free to move around. Requires that both devices be on the same LAN. In sine and square wave mode, you can select between 20Hz and 20kHz using a controller that has three resolutions: octave, 1/3 octave, and fine. Frequency selection is controlled by smooth-gliding interlocking control wheels. Just spin to change frequency, by octaves, 1/3 octaves, or select fine mode to sweep through any value. *** NEW: Tap the frequency screen to pop up a keyboard so that you can enter any exact frequency. *** NEW: Tap the Wobble button to create a warble-tone signal for acoustics work. Doubles as an emergency siren! When you are generating pink noise and white noise, you can select full band (20Hz-20kHz), or octave band limited noise for acoustical testing. All waveforms are laboratory accurate, and use ANSI / IEC spec filters where appropriate. The frequency sweeps smoothly, with no glitches. The mute is soft, to prevent loud impulses when mute or turning on a lower-frequency signal. This signal can be sent to both channels (stereo), just the right or left channel, or the right channel output phase can be inverted for pseudo-balanced mode. This mode can be used with our iPhone Balanced Cable Adapter to get a balanced signal from your iPhone. See our web site for more information. On an iPhone 3G, we have measured distortion at .006% THD at 1000Hz at full volume (+6.5dBu balanced). See our web site for more level details. Note that digital square waves suffer from aliasing problems, and sound very strange above about 1500Hz. Future versions will have options to select different skins. Check out out other great professional-grade audio and acoustics apps: SPL, the iPhone professional-grade sound level meter, SPL Graph, for recording SPL over time, RTA, a 1/3 octave real time analyzer, FFT, for detailed audio analysis, ETC, the iPhone energy-time curve and decay app, RT60, for automated octave-band decay measurement, and Speaker Pop, the speaker polarity tester. Email us within any questions, problems, or suggestions, we answer all emails promptly.
MF
This audio effect plugin adds warmth, distortion, and crunch to your sound. It features an envelope follower for dynamic control and a noise generator modeled after the Minimoog Model D. It integrates with other Moogerfooger plugins via CV.
- Adds warmth, distortion, and crunch
- Envelope follower for dynamic control
- Analog saturation and compression
- Minimoog Model D noise generator emulation
- CV inputs and outputs for integration
- AUv3 effects plugin
Read full descriptionHide full description
A major component of each Moogerfooger is its input drive stage, which is able to add warmth, distortion, and crunch to a sound. The MF-109S Saturator is able to move from tight, dynamic overdrive and analog saturation to smooth compression and expansion by pairing a wide-range envelope follower with bipolar control over the unique drive circuit of the Moogerfooger Effects Plug-ins. Further, it models the noise generator circuit of the Minimoog Model D and allows for control of both noise generator level and noise tone with switchable filter type. The MF-109S Saturator's envelope follower and noise CV outputs and multiple CV inputs allow it to speak with all of the other Moogerfooger Effects Plug-ins. The MF-109S is an AUv3 effects plug-in that requires a compatible host or DAW to function.
Screenshots
Verdict
The clearest difference is review sentiment: MF at 100% against Generator's 56%. MF also leads on rating (4.6 vs 3.3) and update cadence (monthly vs every 5 months). Generator's advantage is price ($8.99 vs $14.99). On ads, in-app purchases, monetization model 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
Generator costs $8.99 and MF $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.
MF holds the better App Store score, 4.6 against 3.3. Both are backed by a comparable volume of ratings — 3 and 10 respectively. Written reviews point the same way: 56% of Generator's written reviews are positive against 100% of MF's.
Generator ships an update every 5 months, MF monthly. Both last shipped on October 24, 2026.
| Parameter | Generator | MF |
|---|---|---|
| Price | $8.99 — better | $14.99 |
| Rating | 3.3 (3 ratings) | 4.6 (10 ratings) — better |
| Positive reviews | 55.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 | 10 — better |
| Update frequency | Every 5 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 32 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrew Smith | Moog Music Inc. |
Customer experience
Generator
MF
In-app purchases
Generator
No in-app purchases
MF
No in-app purchases









