CF vs Proton Plug&Play DSP
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
CF
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Proton Plug&Play DSP
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The app is designed for use with RAINBOW CAR AUDIO dsp Proton Plug&Play DSP This app gives you tools needed to fine tune virtually every aspect of your car audio system. Whether you ara a professional installer or an obsessive audiophile, this app allows you to realize the true potential of DSP tuning tools. Features: 31 bands EQ parametric / grahpic equalization per channel. Phase correction. Crossover type, frequency and slope adjustments. Independent input and output level controls.Time Delay. Input summing and linking. 6 customizable presets.
Screenshots
Verdict
The clearest difference is update cadence: CF at every 3 weeks against Proton Plug&Play DSP's every 2 months. Proton Plug&Play DSP's advantage is iOS requirement (12.0 vs 14.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CF ships an update every 3 weeks, Proton Plug&Play DSP every 2 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.
| Parameter | CF | Proton Plug&Play DSP |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks β better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.6 | 12.0 β better |
| Further details β not scored | ||
| Size | 5 MB | 9 MB |
| Age rating | 4+ | 17+ |
| Developer | Guangzhou Coolpower Technology Co., Ltd. | Rainbow Audio GmbH |
In-app purchases
CF
No in-app purchases
Proton Plug&Play DSP
No in-app purchases
