JOYCHARGE vs UDAN EMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JOYCHARGE
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JOYCHARGE, founded in 2021, is a smart energy overall solution provider under JOYSONQUIN. Relying on the strong background of the Group, we have 5 R&D centers all over the world, 12 manufacturing bases, more than 200 patents, and more than 500 R&D personnel. Based on the charging operation service of new energy vehicles, it aims to build a six-in-one energy service network consisting of PV,storage,charging,distribution,replacement and discharging for a win-win situation. We focus on the R&D, manufacturing, construction, and operation of EV equipment, consisting of home EV chargers and public destination charging stations. Moreover, we also concentrate on sales and public share, station operation service, managing platform development, and users' social media operation. JOYCHARGE has a rapid development and global layout. The services have covered more than 350 cities in China and established cooperation with global well-known OEMs, property services, and real estate. The brand also covers the business of EV equipment, related platforms, flex data service, renewable energy trends of transportation, and leading global energy digitization. Major function -Scan&Bluetooth binding,convenient charger management -Remote control,get charging data monitor -Dynamic load balance,enables smart family charging -Charge personal schedules,arrange EV charging reasonably -Charging data analysis,current&voltage curve,power histogram Contact Us E-mail: JXEU@joysonquin.com
UDAN EMS
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The EMS App supports the access and unified control of energy storage, photovoltaic and charging equipment. Support different operators' access, and completely isolate the data of each operator. Flexible generation of daily, monthly, and annual operating data reports and revenue data. For end users of energy storage, it provides power generation and power consumption data viewing, optimizes energy supply, and monitors energy equipment anytime and anywhere through instant reminders and remote access functions.
Screenshots
Verdict
JOYCHARGE and UDAN EMS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
JOYCHARGE ships an update every 3 weeks, UDAN EMS every 5 weeks. The most recent releases landed on September 30, 2026 and October 16, 2026 respectively.
| Parameter | JOYCHARGE | UDAN EMS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 34 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Ningbo JOYSONQUIN Intelligence Technology Co.,Ltd. | Anhui Udan Technology Co., Ltd. |
In-app purchases
JOYCHARGE
No in-app purchases
UDAN EMS
No in-app purchases









