FET Acoustic Compressor vs TwinPath
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FET Acoustic Compressor
This app emulates the warm, musical character of classic FET compressors for acoustic instruments and more. It offers intuitive controls for punch, presence, and glue, with a special "All-In" mode for aggressive sounds. Designed for mobile studios and live performance.
- Classic FET compression emulation
- Voiced for acoustic guitar, versatile for other instruments
- Intuitive controls: IN, ATTACK, RELEASE, RATIO, OUT, DRY, SC HPF
- Special "All-In" mode for aggressive sounds
- AUv3 plugin support for popular DAWs
- Low latency for live performance
- Factory presets included
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FET Acoustic Compressor brings the warm, musical character of classic FET compression — voiced in the tradition of the Cali76 by Origin Effects and the vintage 1176 circuit it's based on — to your iPhone and iPad. Dialed in for acoustic guitar, but equally at home on electric guitar, bass, vocals, keys, or any source that benefits from that signature FET feel. Whether you're tracking at home, mixing in a DAW, or running signal live through Loopy Pro or AUM, FET Acoustic Compressor gives your sound the punch, presence, and glue it needs. Voiced for feel The compression curve, soft knee, and gentle FET saturation are tuned for the transients and dynamics of acoustic strings — but that voicing translates beautifully to any instrument that needs a compressor with character. It sits, it glues, it breathes. Full control, intuitive layout - IN — Drive the input and push into compression - ATTACK / RELEASE — Fast enough to catch a pick attack; slow enough to let the body bloom - RATIO — 2:1 to 20:1 for everything from gentle leveling to heavy squash - OUT — Trim your output level - DRY — Blend in parallel compression for the best of both worlds - SC HPF — High-pass the sidechain so low-end doesn't trick the detector - Gain Reduction Meter — See exactly what's happening in real time All-In mode Tap the RATIO label to activate All-In — the infamous "all buttons simultaneously" trick from vintage 1176-style compressors. Ratio jumps to 100:1, the knee tightens, and asymmetric FET saturation adds the gritty, pumping character that's made this mode a go-to for aggressive sounds. A secret weapon hiding in plain sight. Factory presets to get you started - Compressed Fingerstyle - Dynamic Fingerstyle - Pop Strumming Built for the mobile studio and stage - AUv3 plugin — use in GarageBand, AUM, Loopy Pro, Cubasis, and any AUv3 host - Low latency — optimized for live performance and real-time processing - 4x oversampled processing for clean, artifact-free compression - Designed for iPhone and iPad *Cali76 is a trademark of Origin Effects Ltd. 1176 and UREI are trademarks of their respective owners. GarageBand is a trademark of Apple Inc. AUM is a product of Kymatica AB. Loopy Pro is a product of A Tasty Pixel. FET Acoustic Compressor is not affiliated with, endorsed by, or sponsored by any of the above companies.*
TwinPath
This app allows for parallel audio effects processing using your existing Audio Units. It simplifies complex signal routing, offering a compact interface for blending or switching between effect chains. Ideal for musicians looking to enhance their audio production workflows.
- Parallel effects processing
- Simplified signal routing
- Cross-fade between effect chains
- Dual mono operation (L/R, Mid/Side)
- Switchable pre/post operation
- Compact control interface
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TwinPath enables parallel effects processing using your existing Audio Units, without configuring busses or complex routings. It hides the details of managing multiple signal paths, and offers a compact, quickly accessible control interface. The result is a consistent setup you can easily recreate in any DAW, regardless of how each host handles audio routing. Among its possible applications, TwinPath pairs especially well with delay effects for dynamic performances. Shifting focus from deep editing to switching between (or blending) entire modules opens up a new perspective and new features – especially when feedback delays are involved. And of course, both approaches can be applied at the same time. Once inserted into a track’s effects chain, TwinPath handles splitting and merging audio streams and provides several convenience features. It offers two main classes of operation: CROSS-FADE • Blend between two effects chains using a single control • Switchable pre/post operation: pre mode preserves effect tails and lets feedback effects "breathe", while post mode offers instant, direct control DUAL MONO • Run different effects chains for Left/Right, Mid/Side, or a continuous blend between them • Channel mapping and FX bias are smooth, performance-friendly controls • Quick and efficient workflow replacement that overcomes functional limits of stock dual mono modes, such as restrictions on independent preset loading PLEASE NOTE: • An AUv3-compatible host is required to use this app
Screenshots
Verdict
The clearest difference is price: FET Acoustic Compressor at $5.99 against TwinPath's $6.99. 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
FET Acoustic Compressor costs $5.99 and TwinPath $6.99 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 FET Acoustic Compressor against 5.0 for TwinPath. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
| Parameter | FET Acoustic Compressor | TwinPath |
|---|---|---|
| Price | $5.99 — better | $6.99 |
| Rating | 5.0 (2 ratings) | 5.0 (5 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 | 5 — better |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 9 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Shelbybark LLC | quantovox |
Customer experience
FET Acoustic Compressor
TwinPath
In-app purchases
FET Acoustic Compressor
No in-app purchases
TwinPath
No in-app purchases
Questions
Is FET Acoustic Compressor free?
Is TwinPath free?
Which has better reviews, FET Acoustic Compressor or TwinPath?
Do FET Acoustic Compressor or TwinPath have ads?
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