A590DSP vs i
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
A590DSP
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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.
i
Monitor your i-tecc+ LiFePO4 batteries with detailed insights. Track state of charge, capacity, power usage, temperature, and charge cycles. Essential for managing battery health and performance.
- Monitor state of charge
- Track battery capacity
- View power consumption
- Check battery temperature
- Record charge cycles
- LiFePO4 battery information
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i-tecc+ BMS is the perfect tool to get important information about your i-tecc+ LiFePO4 batteries, such as current state of charge, battery capacity, power consumption, temperature, charge cycles and much more.
Screenshots
Verdict
The clearest difference is update cadence: A590DSP at every 5 weeks against i's every 19 months. A590DSP also leads on iOS requirement (8.0 vs 12.0). 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.
A590DSP ships an update every 5 weeks, i every 19 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.
| Parameter | A590DSP | i |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| Update frequency | Every 5 weeks — better | Every 19 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 30 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | 杏生 卢 | i-tecc batteries GmbH |
In-app purchases
A590DSP
No in-app purchases
i
No in-app purchases
