# SmartHelper vs Solar DMU

The clearest difference is update cadence: Solar DMU at monthly against SmartHelper's every 4 months. SmartHelper's advantage is iOS requirement (13.0 vs 15.0). 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.

SmartHelper ships an update every 4 months, Solar DMU monthly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SmartHelper | Solar DMU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 40 MB | 117 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [祥梯 孟](https://appshunter.io/developer/1070155084) | [深圳市英威腾电气股份有限公司](https://appshunter.io/developer/1012943436) |

## What reviewers say

### SmartHelper

[App page](https://appshunter.io/ios/app/smarthelper/id1643863147)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solar DMU

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

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartHelper free?

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

### Is Solar DMU free?

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

### Do SmartHelper or Solar DMU have ads?

Neither SmartHelper nor Solar DMU shows ads.

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

SmartHelper ships an update every 4 months, and Solar DMU monthly. Most recently, SmartHelper was updated on October 27, 2026 and Solar DMU on October 28, 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.*