# Solar Controller vs LTB Solar

The clearest difference is update cadence: LTB Solar at every 3 weeks against Solar Controller's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Solar Controller ships an update every 9 months, LTB Solar every 3 weeks. The most recent releases landed on April 26, 2026 and June 9, 2026 respectively.

## The numbers

| Metric | Solar Controller | LTB Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/ltb-solar/id6473835053/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 23 MB | 30 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TBB Power Co., Ltd](https://appshunter.io/developer/1089239531) | [Guangzhou Limu Electronic Science & Technology Co., Ltd.](https://appshunter.io/developer/1798913280) |

## What reviewers say

### Solar Controller

[App page](https://appshunter.io/ios/app/solar-controller/id1665008052)

**In-app purchases:** none


### LTB Solar

[App page](https://appshunter.io/ios/app/ltb-solar/id6473835053)

Control your solar power system remotely via Bluetooth. Monitor solar panel, battery, and load status, along with controller information. Adjust battery and load parameters for optimal performance.

**Highlights:** Bluetooth connectivity, Solar panel status monitoring, Battery status monitoring, Load status monitoring, Controller information display, Battery parameter adjustment, Load parameter adjustment

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solar Controller free?

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

### Is LTB Solar free?

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

### Do Solar Controller or LTB Solar have ads?

Neither Solar Controller nor LTB Solar shows ads.

### Which is updated more often, Solar Controller or LTB Solar?

Solar Controller ships an update every 9 months, and LTB Solar every 3 weeks. Most recently, Solar Controller was updated on April 26, 2026 and LTB Solar on June 9, 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.*