# SolarPower Wi vs Sunline

The clearest difference is rating: Sunline at 3.8 against SolarPower Wi's 2.5. Sunline also leads on review sentiment (50% vs 21%). SolarPower Wi's advantage is ratings volume (35 vs 6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Sunline holds the better App Store score, 3.8 against 2.5. That said, the two scores are not equally well evidenced: SolarPower Wi has 35 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 50% of Sunline's.

SolarPower Wi ships an update every 3 months, Sunline every 4 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SolarPower Wi | Sunline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (35 ratings)](https://appshunter.io/ios/app/solarpower-wi-fi/id1491698936/reviews) | **[3.8 (6 ratings)](https://appshunter.io/ios/app/sunline/id1494807667/reviews)** |
| Number of ratings | **35** | 6 |
| Positive reviews | 21.4% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 21 MB | 7 MB |
| Requires iOS | **11.0** | 11.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [祥梯 孟](https://appshunter.io/developer/1070155084) | [Drift Innovation Ltd](https://appshunter.io/developer/579007701) |

## 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


### Sunline

[App page](https://appshunter.io/ios/app/sunline/id1494807667)

This device combines inverter, solar charger, and battery charger functions for portable, uninterruptible power. Its LCD display allows easy configuration of charging current, power source priority, and input voltage.

**Highlights:** Multi-function inverter/charger, Solar charger capability, Battery charger capability, Uninterruptible power support, Comprehensive LCD display, User-configurable settings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SolarPower Wi free?

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

### Is Sunline free?

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

### Which has better reviews, SolarPower Wi or Sunline?

Sunline is rated higher. SolarPower Wi averages 2.5 out of 5 from 35 ratings, while Sunline averages 3.8 from 6 ratings.

### Do SolarPower Wi or Sunline have ads?

Neither SolarPower Wi nor Sunline shows ads.

### Which is updated more often, SolarPower Wi or Sunline?

SolarPower Wi ships an update every 3 months, and Sunline every 4 months. Most recently, SolarPower Wi was updated on October 23, 2026 and Sunline on October 24, 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.*