Popsicle FX vs TfxMod
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Popsicle FX
This app offers a dual multi-effects processor with 24 distinct audio effects. It allows for flexible routing of effects in series, parallel, or stereo channels, and features an XY pad for dynamic parameter control. An advanced mode provides a mod-matrix, LFO, and Envelope Follower for complex sound design.
- 2 independent stereo effects engines
- 24 effect algorithms
- Series, parallel, and stereo channel routing
- Recordable XY Pad for parameter control
- Advanced mod-matrix with LFO and Envelope Follower
- AUv3 and standalone support
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Popsicle is a Multi Effects Processor built around 2 independent stereo effects engines each having access to a total of 24 different effect algorithms. Effect engines can be used in series or parallel configuration or split between stereo channels where one is affecting the left channel while the other one is affecting the right channel respectively. Popsicle features a powerful XY Pad capable of controlling one or more fx parameters per axis. XY motion can be recorded and played back in sync with the host tempo allowing for highly dynamic effects. In addition, a advanced mode unlocks a fully featured mod-matrix with an additional LFO and Envelope Follower allowing for even more dynamic effect combinations and performances. Included Effects: - Lowpass Filter - Highpass Filter - Bandpass Filter - Morphing Filter - Formant Filter - Comb Filter - Echo - BPM Delay - Short Delay - Reverse Delay - Stutter - Chorus - Flanger - Phaser - Tremolo - Auto Pan - Vibrato - Bitcrush - Distortion - Fuzz - Pitch Shift - Plate Verb - Hall Verb - Mod Verb Supports: - Standalone - AUv3
TfxMod
This app provides a chorus and flanger audio effect plugin for mobile devices. It emulates the sound of vintage bucket brigade devices with adjustable parameters for delay, feedback, and modulation. It can be used with host applications to process audio input.
- Chorus and flanger effects
- BBD-inspired delay lines
- Adjustable delay time, feedback, and modulation
- Variable LFO rate and waveform
- Low-pass and high-pass filters
- Stereo width control
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TfxMod is a chorus / flanger effect AudioUnit Extension plugin. It uses delay lines which are inspired by BBD (bucket brigade device). The delay line is identical to the delay line of the TfxEcho except its buffer length. The delay line uses fixed length buffer and an artificial clock to sample input signal in variable sampling rate. When the delay time is changed, the delay line can produce pitch change effect which is similar to the behavior of the BBD based chorus / flanger unit. Features AudioUnit Extension Chorus Effect - Delay Time: From 1 ms to 40 ms - Feedback: 0% - Modulation width: From 0 ms to +/- 1 ms Flanger Effect - Modulation Mode: mode1, mode2, and mode3 - Delay Time: From 1 ms to 20 ms (mode1&2), From 1 ms to 13 ms (mode3) - Feedback: From 0 % to 100 % - Modulation width: From 0 ms to 39 ms (mode1), From 0 ms to 19 ms (mode2), From 0 ms to 12 ms (mode3) Common - Adjustable lowpass filter and high-pass filter. - Modulation rate: From 0.01 Hz to 10 Hz - LFO Frequency can be synced to the tempo provided by the host application. - LFO Waveform: Continuously variable from sine wave to triangle wave. - Stereo Width: LFO Phase offset from 0 degree to 180 degree. Host Application - Host application uses system audio input as an audio source and processed audio signal is routed to the system audio output.
Screenshots
Verdict
The clearest difference is price: TfxMod at $4.99 against Popsicle FX's $12.99. TfxMod also leads on review sentiment (100% vs 69%) and rating (4.8 vs 4.5). Popsicle FX's advantage is update cadence (weekly vs every 3 months) and ratings volume (37 vs 6). 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
Popsicle FX costs $12.99 and TfxMod $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
TfxMod holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Popsicle FX has 37 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 69% of Popsicle FX's written reviews are positive against 100% of TfxMod's.
Popsicle FX ships an update weekly, TfxMod every 3 months. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.
| Parameter | Popsicle FX | TfxMod |
|---|---|---|
| Price | $12.99 | $4.99 — better |
| Rating | 4.5 (37 ratings) | 4.8 (6 ratings) — better |
| Positive reviews | 68.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 37 — better | 6 |
| Update frequency | Weekly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.4 — better | 13.6 |
| Further details — not scored | ||
| Size | 47 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Kai Aras | Ryo Togawa |
Customer experience
Popsicle FX
TfxMod
In-app purchases
Popsicle FX
No in-app purchases
TfxMod
No in-app purchases









