# JOYCHARGE vs HOTTECH GR SMART

The clearest difference is iOS requirement: HOTTECH GR SMART at 10.0 against JOYCHARGE's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

JOYCHARGE ships an update every 3 weeks, HOTTECH GR SMART every 5 weeks. The most recent releases landed on September 30, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | JOYCHARGE | HOTTECH GR SMART |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 34 MB | 15 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ningbo JOYSONQUIN Intelligence Technology Co.,Ltd.](https://appshunter.io/developer/1645841026) | [EuroICC d.o.o.](https://appshunter.io/developer/1362060463) |

## What reviewers say

### JOYCHARGE

[App page](https://appshunter.io/ios/app/joycharge/id1645840783)

**Features:** macOS Compatibility

**In-app purchases:** none


### HOTTECH GR SMART

[App page](https://appshunter.io/ios/app/hottech-gr-smart/id6443978639)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JOYCHARGE free?

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

### Is HOTTECH GR SMART free?

HOTTECH GR SMART is free to download, with no in-app purchases.

### Do JOYCHARGE or HOTTECH GR SMART have ads?

Neither JOYCHARGE nor HOTTECH GR SMART shows ads.

### Which is updated more often, JOYCHARGE or HOTTECH GR SMART?

JOYCHARGE ships an update every 3 weeks, and HOTTECH GR SMART every 5 weeks. Most recently, JOYCHARGE was updated on September 30, 2026 and HOTTECH GR SMART on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*