# Solar DMU vs TTsolar

The clearest difference is update cadence: Solar DMU at monthly against TTsolar's every 7 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 DMU ships an update monthly, TTsolar every 7 months. Both last shipped on October 16, 2026.

## The numbers

| Metric | Solar DMU | TTsolar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ttsolar-cloud/id6755569814/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Monetization | — | Free |
| Size | 117 MB | 67 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [深圳市英威腾电气股份有限公司](https://appshunter.io/developer/1012943436) | [建孟 罗](https://appshunter.io/developer/1846487648) |

## What reviewers say

### Solar DMU

[App page](https://appshunter.io/ios/app/solar-dmu/id6743460104)

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

**In-app purchases:** none


### TTsolar

[App page](https://appshunter.io/ios/app/ttsolar-cloud/id6755569814)

This platform is designed for users of the Jiamei Tianhe Yuan power station to manage and maintain their facilities. It provides a centralized system for operational oversight and upkeep.

**Highlights:** Power station maintenance, User platform, Facility management, Operational oversight, Upkeep system

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

**In-app purchases:** none


## Frequently asked questions

### Is Solar DMU free?

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

### Is TTsolar free?

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

### Do Solar DMU or TTsolar have ads?

Neither Solar DMU nor TTsolar shows ads.

### Which is updated more often, Solar DMU or TTsolar?

Solar DMU ships an update monthly, and TTsolar every 7 months. Most recently, Solar DMU was updated on October 16, 2026 and TTsolar on October 16, 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.*