Solar Aircon vs EG4
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Solar Aircon
Monitor your air conditioner's power saving capabilities, with potential savings of 50%-100% during daytime hours. Remotely control your AC unit from any location and set timers for automated operation.
- Check power saving status
- Remote AC control
- Set operational timers
- Monitor daytime energy savings
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1. Check power saving through APP, 50%-100% in day time 2. Control air conditioner whenever and wherever you are 3. Timer: set timer to perform multiple functions
EG4
This utility app monitors your device's battery health in real-time. It displays key metrics such as current, temperature, and voltage via Bluetooth connection. Keep track of your battery's vital signs to ensure optimal performance.
- Monitor battery health
- Display current, temperature, voltage
- Bluetooth connectivity
- Real-time status updates
- Device compatibility for iPhone/iPad
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EG4 is a tool app which monitor the battery health status like currency, temperature and voltage etc using bluetooth
Screenshots
Verdict
The clearest difference is rating: Solar Aircon at 4.0 against EG4's 2.3. Solar Aircon also leads on review sentiment (67% vs 25%) and ratings volume (58 vs 12). EG4's advantage is update cadence (every 3 weeks vs every 20 months). On price, ads, in-app purchases and monetization model 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.
Solar Aircon holds the better App Store score, 4.0 against 2.3. Both are backed by a comparable volume of ratings — 58 and 12 respectively. Written reviews point the same way: 67% of Solar Aircon's written reviews are positive against 25% of EG4's.
Solar Aircon ships an update every 20 months, EG4 every 3 weeks. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.
| Parameter | Solar Aircon | EG4 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (58 ratings) — better | 2.3 (12 ratings) |
| Positive reviews | 66.7% of reviews — better | 25.0% of reviews |
| Number of ratings | 58 — better | 12 |
| Update frequency | Every 20 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 165 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Zhejiang Deye Electrical Appliances Co., Ltd. | 琼莉 吴 |
Customer experience
Solar Aircon
EG4
In-app purchases
Solar Aircon
No in-app purchases
EG4
No in-app purchases
