MDA5.31 vs SimplyEV
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MDA5.31
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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.
SimplyEV
Manage your electric vehicle charging stations with ease. Pair your station via Bluetooth, connect to Wi-Fi for remote communication, and schedule charging sessions. The app also supports remote firmware upgrades for your station.
- User identification and registration
- Bluetooth pairing with charging stations
- Wi-Fi connection for remote communication
- Scheduled charging
- Remote firmware upgrades
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Welcome to SimplyEV easy management of charging stations. Features: - Identification and / or registration of the user. - Pair your charging station to mobile devices via Bluetooth. - Connect your charging station to your local Wi-Fi network to enable communication between your charging management service provider and your charging station. - Scheduled charging. - Support remote firmware upgrade.
Screenshots
Verdict
The clearest difference is update cadence: SimplyEV at every 2 months against MDA5.31's every 17 months. MDA5.31's advantage is 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.
MDA5.31 ships an update every 17 months, SimplyEV every 2 months. The most recent releases landed on November 11, 2026 and November 4, 2026 respectively.
| Parameter | MDA5.31 | SimplyEV |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 17 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 9 MB | 43 MB |
| Age rating | 4+ | 17+ |
| Developer | 杏生 卢 | Espen Technology Inc. |
In-app purchases
MDA5.31
No in-app purchases
SimplyEV
No in-app purchases
