# HMI Smart vs EonSolar

The clearest difference is update cadence: EonSolar at fortnightly against HMI Smart's every 5 months. HMI Smart's advantage is iOS requirement (9.0 vs 11.0). 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.

HMI Smart ships an update every 5 months, EonSolar fortnightly. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | HMI Smart | EonSolar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Size | 12 MB | 48 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Wecon technology co.,Ltd](https://appshunter.io/developer/1044168609) | [Eonland Future Co.,Ltd](https://appshunter.io/developer/1743911947) |

## What reviewers say

### HMI Smart

[App page](https://appshunter.io/ios/app/hmi-smart/id1225878224)

**Features:** macOS Compatibility

**In-app purchases:** none


### EonSolar

[App page](https://appshunter.io/ios/app/eonsolar/id6450070015)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HMI Smart free?

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

### Is EonSolar free?

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

### Do HMI Smart or EonSolar have ads?

Neither HMI Smart nor EonSolar shows ads.

### Which is updated more often, HMI Smart or EonSolar?

HMI Smart ships an update every 5 months, and EonSolar fortnightly. Most recently, HMI Smart was updated on October 12, 2026 and EonSolar on October 3, 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.*