# SolarPower Wi vs MarsES

SolarPower Wi and MarsES are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

SolarPower Wi ships an update every 3 months, MarsES every 4 months. The most recent releases landed on August 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | SolarPower Wi | MarsES |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (34 ratings)](https://appshunter.io/ios/app/solarpower-wi-fi/id1491698936/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 21.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | — |
| Size | 21 MB | 192 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [祥梯 孟](https://appshunter.io/developer/1070155084) | [卓文 梁](https://appshunter.io/developer/1759304348) |

## 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


### MarsES

[App page](https://appshunter.io/ios/app/marses/id6578447579)

**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 MarsES free?

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

### Do SolarPower Wi or MarsES have ads?

Neither SolarPower Wi nor MarsES shows ads.

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

SolarPower Wi ships an update every 3 months, and MarsES every 4 months. Most recently, SolarPower Wi was updated on August 14, 2026 and MarsES on September 10, 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.*