Comparison

F vs Analog Rack Delay

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Sixteen filter modes
  • Frequency and resonance controls
  • Analog-style saturation
  • Wet/dry mix
  • Frequency response display
  • Zero Delay Feedback algorithm
Read full description

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.

About

Analog Rack Delay

This audio plugin offers the powerful delay algorithms of Nembrini Audio in a user-friendly package. It features BPM sync, a stereo spread circuit, and a rich analog tube preamp for unique signal coloration. Use it as a standalone app or within other music production software.

Highlights
  • Analog delay algorithms
  • BPM Sync
  • Stereo spread circuit
  • Tube preamp coloration
  • Standalone app
  • AudioUnit v3 effect
  • Inter-App Audio effect
Features
Read full description

The Analog Rack Delay plugin is the power of Nembrini Audio’s delay algorithms in a simple package! BPM Sync, stereo spread circuit and a very juicy sound! Nembrini Audio has taken the guitarists most preferred analog and digital effect pedals and has repacked it in new rack style plugins easy to use and extremely powerful at the same time, with the addition of a custom design tube preamp virtual circuit which gives color to the signal in a very special way. Just insert the Analog Rack Delay plugin in your tracks to hear its beautiful analog tube coloration! Works as a standalone app, AudioUnit v3 effect, or Inter-App Audio effect

Screenshots

F1 screens
Analog Rack Delay1 screens

Verdict

The call

The clearest difference is price: Analog Rack Delay at Free against F's $2.99. Analog Rack Delay also leads on review sentiment (100% vs 78%). F's advantage is rating (5.0 vs 4.8) and iOS requirement (12.0 vs 15). On ratings volume, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Analog Rack Delay is free to download; F costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

F holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 18 and 32 respectively. Written reviews complicate that: 78% of F's written reviews are positive against 100% of Analog Rack Delay's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

F ships an update every 8 months, Analog Rack Delay every 5 months. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 5 level
F versus Analog Rack Delay: the parameters behind the verdict, then further details
ParameterFAnalog Rack Delay
Price$2.99Free — better
Rating5.0 (18 ratings) — better4.8 (32 ratings)
Positive reviews77.8% of reviews100.0% of reviews — better
Number of ratings1832 — better
Update frequencyEvery 8 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15
Further details — not scored
Size15 MB25 MB
Age rating4+4+
DeveloperBlamsoft, Inc.Nembrini Audio

Customer experience

F

All ratings18 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive77.8%
Neutral0.0%
Negative22.2%

Analog Rack Delay

All ratings32 ratings
Positive96.9%
Neutral0.0%
Negative3.1%
Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

F

No in-app purchases

None

Analog Rack Delay

No in-app purchases

Questions

Is F free?
F costs $2.99, with no in-app purchases.
Is Analog Rack Delay free?
Analog Rack Delay is free to download, with no in-app purchases.
Which has better reviews, F or Analog Rack Delay?
F is rated higher. F averages 5.0 out of 5 from 18 ratings, while Analog Rack Delay averages 4.8 from 32 ratings.
Do F or Analog Rack Delay have ads?
Neither F nor Analog Rack Delay shows ads.
Which is updated more often, F or Analog Rack Delay?
F ships an update every 8 months, and Analog Rack Delay every 5 months. Most recently, F was updated on October 9, 2026 and Analog Rack Delay on October 13, 2026.

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