A540DSP vs Cardiry
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
A540DSP
Control your car amplifier's audio settings, including EQ, bass, and time alignment, directly from your phone. Save and load custom sound profiles for a personalized listening experience.
- EQ control
- Bass adjustment
- Time alignment
- Phase and mute settings
- Filter control
- Save sound settings to phone
- Save sound settings to amplifier
- Load sound settings from phone
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After connecting App to Car Amplifier with Integrated DSP, EQ, BASS,TIME ALIGNMENT, PHASE, MUTE, FILTER , SAVE SOUND SETTING TO PHONE, SAVE SOUND SETTING TO AMPLIFIER, LOAD SOUND SETTING FROM PHONE, RCA OUTPUT etc could be controlled through this App. How to use: 1.Install App and turn on power of car 2. Turn on Bluetooth on your iPhone 3,Open App and wait for around 5 seconds, then click “Connect” icon in left corner of bottom. Amplifier will be connected to App automatically. 4.DIY you preferred sound and then click “Save to AMP” icon to save. Or click “ Save to Phone” to save. Note： 1.Do not exit app during saving and do not turn off power supply, program may be shut down caused by this.
Cardiry
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Cardiry helps you store card and credential details on-device, keep front and back photos together, and receive local reminders before expiry. OCR assists with extracting titles and dates, and optional app lock helps protect sensitive information.
Screenshots
Verdict
The clearest difference is device support: A540DSP at 3 against Cardiry's 1. A540DSP also leads on iOS requirement (15.6 vs 17.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | A540DSP | Cardiry |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 47 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 26 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | 杏生 卢 | 玩星 郑 |
In-app purchases
A540DSP
No in-app purchases
Cardiry
No in-app purchases
