EV Master vs upOTA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EV Master
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EV Master focuses on the diagnosis and health status detection of new energy vehicle battery packs, integrating fault diagnosis, data stream reading, temperature and voltage monitoring of battery packs, and supporting one click generation of health reports. ● Fault diagnosis: We automatically scan the entire vehicle system of new energy vehicles and support one click clearing of fault codes. ● Read data stream: Supports reading battery pack related data streams for users to view battery related information in real time ● Battery pack inspection: Read the voltage and temperature of each battery in the new energy vehicle, and grasp the health status of each battery. Battery Health Report: It covers basic information about the battery (remaining charge, health status) and inspection details (fault conditions, battery voltage and temperature, data flow information), assisting users in understanding the battery condition of their car.
upOTA
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【Professional, Secure, and Efficient Firmware Update Expert】 upOTA is a professional Firmware Over-the-Air (OTA) tool exclusively developed by Gigaboyz.com LIMITED for its official partners proprietary head unit products. Built upon cutting-edge end-to-end encrypted communication technology, this app provides a stable and highly secure maintenance channel to ensure your devices always operate at peak performance. upOTA is the bridge between your device’s potential and its peak performance. Designed exclusively for our official partners, it ensures that your devices don't just stay current—they stay ahead. Secure, seamless, and incredibly fast.
Screenshots
Verdict
The clearest difference is update cadence: upOTA at fortnightly against EV Master's every 6 weeks. 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.
EV Master ships an update every 6 weeks, upOTA fortnightly. The most recent releases landed on September 12, 2026 and September 8, 2026 respectively.
| Parameter | EV Master | upOTA |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 65 MB | 63 MB |
| Age rating | 4+ | 17+ |
| Developer | TopTekk Technology Co.,Ltd. | Gigaboyz.com |
In-app purchases
EV Master
No in-app purchases
upOTA
No in-app purchases









