# iSolar vs RuiDeng

The clearest difference is price: RuiDeng at Free against iSolar's $0.99. RuiDeng also leads on ads (none vs shown) and device support (3 vs 1). iSolar's advantage is update cadence (fortnightly vs every 3 months). On in-app purchases there is nothing between them.

RuiDeng is free to download; iSolar costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iSolar ships an update fortnightly, RuiDeng every 3 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | iSolar | RuiDeng |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/ruideng/id1550070005/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | — | Free |
| Size | 9 MB | 14 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alain Lima](https://appshunter.io/developer/789421888) | [亮亮 刘](https://appshunter.io/developer/1439150212) |

## What reviewers say

### iSolar

[App page](https://appshunter.io/ios/app/isolar-install-solar-panel/id807174941)

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

**In-app purchases:** none


### RuiDeng

[App page](https://appshunter.io/ios/app/ruideng/id1550070005)

Connect to and manage various devices wirelessly. Display device information and control them via Wi-Fi and Bluetooth. Offers a straightforward way to interact with your hardware.

**Highlights:** Wireless device communication, Device information display, Wi-Fi connectivity, Bluetooth connectivity, Device control

**In-app purchases:** none


## Frequently asked questions

### Is iSolar free?

iSolar costs $0.99, with no in-app purchases.

### Is RuiDeng free?

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

### Do iSolar or RuiDeng have ads?

iSolar shows ads; RuiDeng does not.

### Which is updated more often, iSolar or RuiDeng?

iSolar ships an update fortnightly, and RuiDeng every 3 months. Most recently, iSolar was updated on October 9, 2026 and RuiDeng on October 8, 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.*