# Fsolar vs KVD

The clearest difference is review sentiment: Fsolar at 47% against KVD's 0%. Fsolar also leads on rating (3.5 vs 1.0) and ratings volume (37 vs 1). KVD's advantage is update cadence (every 9 days vs monthly). 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.

Fsolar holds the better App Store score, 3.5 against 1.0. That said, the two scores are not equally well evidenced: Fsolar has 37 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 47% of Fsolar's written reviews are positive against 0% of KVD's.

Fsolar ships an update monthly, KVD every 9 days. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Fsolar | KVD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (37 ratings)](https://appshunter.io/ios/app/fsolar/id1628763284/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/kvd/id6747338543/reviews) |
| Number of ratings | **37** | 1 |
| Positive reviews | **47.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free | Free |
| Size | 79 MB | 8 MB |
| Requires iOS | 15.4 | **14** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Felicity Solar Technology Co., Ltd.](https://appshunter.io/developer/1628763286) | [家庆 胡](https://appshunter.io/developer/1854983941) |

## What reviewers say

### Fsolar

[App page](https://appshunter.io/ios/app/fsolar/id1628763284)

This intelligent cloud platform monitors photovoltaic data in real-time. It offers power station and equipment management, remote control, and intelligent alarms for efficient information management.

**Highlights:** Real-time monitoring, Power station management, Equipment management, Remote control, Intelligent alarms, Information management

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

**In-app purchases:** none


### KVD

[App page](https://appshunter.io/ios/app/kvd/id6747338543)

Control the color temperature and brightness of lights via Bluetooth connection to your devices. Adjust your lighting environment with ease.

**Highlights:** Bluetooth connectivity, Light color temperature adjustment, Brightness control, Device integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Fsolar free?

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

### Is KVD free?

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

### Which has better reviews, Fsolar or KVD?

Fsolar is rated higher. Fsolar averages 3.5 out of 5 from 37 ratings, while KVD averages 1.0 from 1 ratings.

### Do Fsolar or KVD have ads?

Neither Fsolar nor KVD shows ads.

### Which is updated more often, Fsolar or KVD?

Fsolar ships an update monthly, and KVD every 9 days. Most recently, Fsolar was updated on October 13, 2026 and KVD 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.*