Multiple Tone Generator vs F
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Multiple Tone Generator
Generate multiple audio signals with adjustable waveforms, frequencies, and volumes for each channel. Offers presets for guitar and bass tuning, with options to expand channel support.
- Multiple audio channels
- Adjustable waveforms (Sine, Triangle, Squire, Saw)
- Precise frequency control (20Hz - 20000Hz)
- Individual channel volume and mute
- Logarithmic frequency sliders
- Guitar and bass tuning presets
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This app generates the audio signal of multiple channels. Supports 6 audio channels by default, upgradeable to 16 via in-app purchase. [ Wave type ] - There are four types of waveform. (Sine, Triangle, Squire, Saw) - It can switch to the four types of each waveform by the wave type button. - It can be set for each channel. - It can change summarizes the waveforms of all channels with the bottom of the button. [ Volume ] - It can adjust the volume of each channel (Input) and change the mixer (Output) of all channels by the volume slider. - It can be set OFF / ON the volume of each channel by mute button. [ Frequency ] - It can set the value of the frequency in 20Hz - 20000Hz. - It can set the frequency value in the software keyboard by tapping the frequency label. - It can set the frequency value at the corresponding slider to the logarithm. - It can set the frequency value of -1 / + 1 octave from the current value by -1/+1 Octave button. - It can adjust the frequency value slightly from the current value by -/+ button. [ Preset ] - It can set the frequency value of Guitar (E A D G B E), 6-string bass (B E A D G C) for Ch 1 ~ 6. Guitar : Ch 1: E ( 82.4 Hz) Ch 2: A (110.0 Hz) Ch 3: D (146.8 Hz) Ch 4: G (196.0 Hz) Ch 5: B (246.9 Hz) Ch 6: E (329.6 Hz) 6-string bass (+ 1 octave) : Ch 1: B ( 61.7 Hz) Ch 2: E ( 82.4 Hz) Ch 3: A (110.0 Hz) Ch 4: D (146.8 Hz) Ch 5: G (196.0 Hz) Ch 6: C (262.0 Hz)
F
This audio effect plugin offers sixteen versatile filter modes with precise controls for frequency, resonance, and analog-style saturation. Visualize your frequency response in real-time for intuitive adjustments. It integrates seamlessly with popular AUv3 compatible music production apps.
- Sixteen filter modes
- Frequency and resonance controls
- Analog-style saturation
- Wet/dry mix
- Frequency response display
- Zero Delay Feedback algorithm
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F-16 Filter is a flexible multi-mode filter with frequency response display. It features sixteen modes, frequency and resonance controls, saturation for analog-style soft clipping, and wet/dry mix. The 4 pole lowpass mode provides the frequency response of classic the Moog ladder filter. The other modes provide all of the choices available in the famous Oberheim Matrix 12 and Xpander synthesizers. At the heart of F-16 is a Zero Delay Feedback algorithm, the latest in DSP filtering technology. F-16 Filter gives you a wide variety of filtering options with pristine fidelity. F-16 Filter is an AUv3 that works inside host apps. Just open up your favorite host that supports AUv3 and add it as an effect. Compatible with GarageBand, Cubasis, Auria, BeatMaker, AudioBus, AUM, Modstep, and more. Blamsoft brings their experience creating top notch plug-ins for the desktop to iOS. The same filter modes are found in the popular Rack Extension for Propellerhead Reason. You get a desktop quality plug-in at an iOS friendly price. In addition to controlling the filter through the knobs and sliders, you can use the frequency response display to control cutoff frequency and resonance simultaneously. The sixteen filter modes available are: 1, 2, 3, and 4 Pole Lowpass 1, 2, 3, and 4, Pole Highpass 2 and 4 Pole Bandpass 2 Pole Notch 3 Pole Phase 2 Pole Highpass + 1 Pole Lowpass 3 Pole Highpass + 1 Pole Lowpass 2 Pole Notch + 1 Pole Lowpass 3 Pole Phase + 1 Pole Lowpass Tap Developer Website for sound examples.
Screenshots
Verdict
The clearest difference is price: Multiple Tone Generator at Free against F's $2.99. Multiple Tone Generator also leads on update cadence (every 3 months vs every 8 months) and review sentiment (88% vs 78%). F's advantage is in-app purchases (none vs 2) and ads (none vs shown). On 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
Multiple Tone Generator is free to download; F costs $2.99 up front. Multiple Tone Generator sells 2 one-off in-app purchases. F asks for nothing beyond the download.
F holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 65 and 18 respectively. Written reviews complicate that: 88% of Multiple Tone Generator's written reviews are positive against 78% of F's, so the app with the better star average is not the one people write more warmly about.
Multiple Tone Generator ships an update every 3 months, F every 8 months. The most recent releases landed on September 23, 2026 and September 18, 2026 respectively.
| Parameter | Multiple Tone Generator | F |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.8 (65 ratings) | 5.0 (18 ratings) — better |
| Positive reviews | 87.5% of reviews — better | 77.8% of reviews |
| Number of ratings | 65 — better | 18 |
| Update frequency | Every 3 months — better | Every 8 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Loop-Sessions.LLC. | Blamsoft, Inc. |
Customer experience
Multiple Tone Generator
F
In-app purchases
Multiple Tone Generator
- Increase channels from 6 to 16$1.99
- Always remove banner ads.$4.99
F
No in-app purchases









