# WL FLY vs MARSTEK

The clearest difference is iOS requirement: WL FLY at 8.0 against MARSTEK's 15.5. 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.

WL FLY ships an update fortnightly, MARSTEK every 2 weeks. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | WL FLY | MARSTEK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (11 ratings)](https://appshunter.io/ios/app/marstek/id6459365638/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 72.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 153 MB | 210 MB |
| Requires iOS | **8.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [元明 苏](https://appshunter.io/developer/1429356686) | [Hamedata Technology Co., Limited](https://appshunter.io/developer/589308586) |

## What reviewers say

### WL FLY

[App page](https://appshunter.io/ios/app/wl-fly/id1438714839)

**Features:** macOS Compatibility

**In-app purchases:** none


### MARSTEK

[App page](https://appshunter.io/ios/app/marstek/id6459365638)

Monitor your solar energy system in real-time. Optimize for energy independence, outage protection, or savings by setting your preferences. Control your system remotely and receive instant alerts.

**Highlights:** Real-time solar energy monitoring, Customizable optimization settings, Remote system control, Instant alerts, Energy independence focus, Outage protection settings, Savings optimization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WL FLY free?

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

### Is MARSTEK free?

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

### Do WL FLY or MARSTEK have ads?

Neither WL FLY nor MARSTEK shows ads.

### Which is updated more often, WL FLY or MARSTEK?

WL FLY ships an update fortnightly, and MARSTEK every 2 weeks. Most recently, WL FLY was updated on October 3, 2026 and MARSTEK on October 14, 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.*