CF vs EL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CF
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CF-A5PRO and A5Pro-II are two kinds of audio processing wireless Bluetooth control and management software for automotive DSP power amplifier.
EL
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The app is designed for use with RAINBOW CAR AUDIO dsp EL-PA6.8 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: EL at every 3 days against CF's every 15 months. CF's advantage is iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CF ships an update every 15 months, EL every 3 days. Both last shipped on October 25, 2026.
| Parameter | CF | EL |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 15 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 15 MB | 5 MB |
| Age rating | 17+ | 17+ |
| Developer | Guangzhou Coolpower Technology Co., Ltd. | Rainbow Audio GmbH |
In-app purchases
CF
No in-app purchases
EL
No in-app purchases
