JOYCHARGE vs Desay ESS
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
Desay ESS
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1. Home energy storage product APP can display product running parameters on the user terminal; 2. Users can remotely control the product according to their needs, set product parameters, and improve product revenue; 3. The product supports Bluetooth distribution network (2.4G wifi band), which can quickly switch effective networks; 4. Support product remote upgrade to improve product performance; 5. Cloud storage of product data to ensure data security.
Screenshots
Verdict
The clearest difference is update cadence: JOYCHARGE at every 3 weeks against Desay ESS's every 18 months. 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.
JOYCHARGE ships an update every 3 weeks, Desay ESS every 18 months. The most recent releases landed on September 30, 2026 and September 17, 2026 respectively.
| Parameter | JOYCHARGE | Desay ESS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks — better | Every 18 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 34 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | Ningbo JOYSONQUIN Intelligence Technology Co.,Ltd. | Desai |
In-app purchases
JOYCHARGE
No in-app purchases
Desay ESS
No in-app purchases









