# SolarPower Wi vs ESS LINK

The clearest difference is review sentiment: ESS LINK at 100% against SolarPower Wi's 21%. ESS LINK also leads on rating (4.7 vs 2.5) and update cadence (every 5 weeks vs every 3 months). SolarPower Wi's advantage is ratings volume (34 vs 6) and iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ESS LINK holds the better App Store score, 4.7 against 2.5. That said, the two scores are not equally well evidenced: SolarPower Wi has 34 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 21% of SolarPower Wi's written reviews are positive against 100% of ESS LINK's.

SolarPower Wi ships an update every 3 months, ESS LINK every 5 weeks. The most recent releases landed on August 14, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | SolarPower Wi | ESS LINK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (34 ratings)](https://appshunter.io/ios/app/solarpower-wi-fi/id1491698936/reviews) | **[4.7 (6 ratings)](https://appshunter.io/ios/app/ess-link/id6449733401/reviews)** |
| Number of ratings | **34** | 6 |
| Positive reviews | 21.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 21 MB | 75 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [祥梯 孟](https://appshunter.io/developer/1070155084) | [Sinexcel Electric Co,.Ltd.](https://appshunter.io/developer/1638251236) |

## What reviewers say

### SolarPower Wi

[App page](https://appshunter.io/ios/app/solarpower-wi-fi/id1491698936)

Monitor hybrid inverters via Wi-Fi module on your iOS device. View device status, configure settings, receive notifications for warnings or alarms, and record historical data.

**Highlights:** Monitor hybrid inverters, Wi-Fi module connectivity, Display device status, Configure device settings, Warning and alarm notifications, Record device data history

**Features:** macOS Compatibility

**In-app purchases:** none


### ESS LINK

[App page](https://appshunter.io/ios/app/ess-link/id6449733401)

Monitor and control photovoltaic equipment remotely. View real-time operational data, historical performance, and fault logs. Adjust equipment settings like switches and working modes for efficient energy management.

**Highlights:** Remote data monitoring, Control photovoltaic equipment, View operational data, Access historical data, Manage equipment settings, QR code device entry

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SolarPower Wi free?

SolarPower Wi is free to download, with no in-app purchases.

### Is ESS LINK free?

ESS LINK is free to download, with no in-app purchases.

### Which has better reviews, SolarPower Wi or ESS LINK?

ESS LINK is rated higher. SolarPower Wi averages 2.5 out of 5 from 34 ratings, while ESS LINK averages 4.7 from 6 ratings.

### Do SolarPower Wi or ESS LINK have ads?

Neither SolarPower Wi nor ESS LINK shows ads.

### Which is updated more often, SolarPower Wi or ESS LINK?

SolarPower Wi ships an update every 3 months, and ESS LINK every 5 weeks. Most recently, SolarPower Wi was updated on August 14, 2026 and ESS LINK on September 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*