# 智能充电系统 vs OBD24K

The clearest difference is update cadence: 智能充电系统 at every 3 weeks against OBD24K's every 3 months. OBD24K's advantage is iOS requirement (13.0 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.

智能充电系统 ships an update every 3 weeks, OBD24K every 3 months. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 智能充电系统 | OBD24K |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 22 MB | 134 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Guangzhou Argion Electric Appliance Co., Ltd.](https://appshunter.io/developer/1380050776) | [思源 祝](https://appshunter.io/developer/1838597511) |

## What reviewers say

### 智能充电系统

[App page](https://appshunter.io/ios/app/id6745773837)

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

**In-app purchases:** none


### OBD24K

[App page](https://appshunter.io/ios/app/obd24k/id6754353176)

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

**In-app purchases:** none


## Frequently asked questions

### Is 智能充电系统 free?

智能充电系统 is free to download, with no in-app purchases.

### Is OBD24K free?

OBD24K is free to download, with no in-app purchases.

### Do 智能充电系统 or OBD24K have ads?

Neither 智能充电系统 nor OBD24K shows ads.

### Which is updated more often, 智能充电系统 or OBD24K?

智能充电系统 ships an update every 3 weeks, and OBD24K every 3 months. Most recently, 智能充电系统 was updated on October 9, 2026 and OBD24K on October 25, 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.*