F vs Filterjam
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Filterjam
This app offers a multiband resonant filter for creating unique audio effects. It divides input signals into four bands, allowing for various sonic manipulations from subtle enhancements to extreme sound mangling.
- Multiband resonant filtering
- 4-band signal division
- Sum or multiply band modes
- Versatile sound shaping
- Ringmod-like effects
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Filterjam is a multi-band resonant filter delivering weird ringmod-like filtered sounds. The input signal is divided into 4 bands that are then summed or multiplied together according to the selected mode. Filterjam can be very harsh or gentle, it can add brightness or depth to synth sounds, but it can also completely mangle acoustic sources.
Screenshots
Verdict
The clearest difference is price: Filterjam at Free against F's $2.99. F's advantage is update cadence (every 8 months vs every 22 months) and iOS requirement (12.0 vs 14.0). On rating, review sentiment, ratings volume and ads 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
Filterjam is free to download; F costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for F against 5.0 for Filterjam. Both are backed by a comparable volume of ratings — 18 and 34 respectively. Written reviews are what separate them: 78% of F's written reviews are positive against 83% of Filterjam's.
F ships an update every 8 months, Filterjam every 22 months. The most recent releases landed on September 18, 2026 and August 31, 2026 respectively.
| Parameter | F | Filterjam |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 5.0 (18 ratings) | 5.0 (34 ratings) |
| Positive reviews | 77.8% of reviews | 83.3% of reviews — better |
| Number of ratings | 18 | 34 — better |
| Update frequency | Every 8 months — better | Every 22 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 15 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Blamsoft, Inc. | AudioThing Ltd. |
Customer experience
F
Filterjam
In-app purchases
F
No in-app purchases
Filterjam
No in-app purchases







