# HiiTech vs Empalux Esolar

The clearest difference is update cadence: Empalux Esolar at every 6 weeks against HiiTech's every 4 months. Empalux Esolar also leads on iOS requirement (9.0 vs 15.6). 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.

HiiTech ships an update every 4 months, Empalux Esolar every 6 weeks. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | HiiTech | Empalux Esolar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Size | 39 MB | 93 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [HubSoft](https://appshunter.io/developer/1475693267) | [Guangzhou Sanjing Electric CO., Ltd](https://appshunter.io/developer/583911149) |

## What reviewers say

### HiiTech

[App page](https://appshunter.io/ios/app/hiitech/id1581785940)

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

**In-app purchases:** none


### Empalux Esolar

[App page](https://appshunter.io/ios/app/empalux-esolar/id1641058421)

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

**In-app purchases:** none


## Frequently asked questions

### Is HiiTech free?

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

### Is Empalux Esolar free?

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

### Do HiiTech or Empalux Esolar have ads?

Neither HiiTech nor Empalux Esolar shows ads.

### Which is updated more often, HiiTech or Empalux Esolar?

HiiTech ships an update every 4 months, and Empalux Esolar every 6 weeks. Most recently, HiiTech was updated on October 13, 2026 and Empalux Esolar on October 6, 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.*