WattCharge vs Joy Audio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WattCharge
Manage and control intelligent charging devices from a single platform. This app facilitates easy connection and operation of smart charging stations, integrating them into your smart home ecosystem. Enjoy features like scheduled charging and battery health preservation.
- Quick pairing and shared charging
- Seamless charging experience
- Set charging limits for battery health
- Silent charging mode
- Scheduled charging for off-peak hours
- Integrates charging stations into smart home
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The WattCharge app is a unified management platform for intelligent charging devices created by Wattsaving. It enables the discovery, connection, management, and control of Wattsaving' smart charging products, facilitating interconnection between smart charging stations. WattCharge turns charging stations into part of a smart home. 【Key Features】 >> Quick pairing, shared charging One-time pairing for shared usage within the family. >> Seamless charging experience Keep Bluetooth on, plug in, and start charging instantly. >> Charging limits Users can set charging limits to preserve battery health. >> Silent mode Silent charging mode to avoid disturbing neighbors. >> Scheduled charging Charge during off-peak hours to benefit from lower electricity rates. 【Contact Us】 We greatly value your support and feedback for every step of our progress. We look forward to hearing from you through the following channels: (1) WattCharge app --> My --> Help & Feedback (2) Email us at wattcloud@wattsaving.com (3) Visit our website: www.wattsaving.com (4) Follow Wattsaving on official WeChat account, WeChat video platform, and TikTok.
Joy Audio
Manage your smart headphone charging bay with this companion app. Monitor power levels, track charging status, and receive intelligent reminders to ensure your headphones are always ready. Personalize your experience with custom themes and keep your device updated with firmware upgrades.
- Power monitoring
- Charging status updates
- Intelligent charging reminders
- Charging history statistics
- Firmware upgrades
- Personalized themes
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Joy Audio is a companion app designed for the charging bay of smart headphones. It provides comprehensive charging bin management functions, including power monitoring, device pairing, remote control, charging status update and so on. Through this APP, users can easily manage their headphone charging bay, ensuring that they have sufficient power at all times and a convenient use experience. Core functions: 1. Power monitoring: real-time display of the charging capacity of the headset, reminding users to charge in time. 2. Charging status update: Update the charging status of the headset charging compartment in real time, so that users can grasp the charging progress at any time. 3. Personalized Settings: Provide a variety of themes and interface styles to meet the personalized needs of users. Featured functions: 1. Intelligent reminder: According to the user's usage habits and headset power, intelligent reminder users to charge to avoid power exhaustion. 2. Charging record statistics: record the user's charging history to help users understand the use of headphones and charging needs. 3. Firmware upgrade: Support the online upgrade of the headset charging bay firmware to ensure that the device always maintains the best performance.
Screenshots
Verdict
The clearest difference is rating: Joy Audio at 2.3 against WattCharge's 1.8. Joy Audio also leads on ratings volume (44 vs 4). WattCharge's advantage is update cadence (weekly vs fortnightly). On price, review sentiment, ads and in-app purchases 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.
Joy Audio holds the better App Store score, 2.3 against 1.8. That said, the two scores are not equally well evidenced: Joy Audio has 44 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of WattCharge's written reviews are positive against 5% of Joy Audio's.
WattCharge ships an update weekly, Joy Audio fortnightly. The most recent releases landed on September 19, 2026 and September 22, 2026 respectively.
| Parameter | WattCharge | Joy Audio |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (4 ratings) | 2.3 (44 ratings) — better |
| Positive reviews | 0.0% of reviews | 4.5% of reviews — better |
| Number of ratings | 4 | 44 — better |
| Update frequency | Weekly — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 61 MB | 283 MB |
| Age rating | 4+ | 4+ |
| Developer | SHENZHEN WATTSAVING ELECTRICAL TECHNOLOGY CO.,LTD | 深圳市竟加技术有限公司 |
Customer experience
WattCharge
Joy Audio
In-app purchases
WattCharge
No in-app purchases
Joy Audio
No in-app purchases









