# 凯力朗智能 vs OD Link系统

The clearest difference is update cadence: OD Link系统 at monthly against 凯力朗智能's every 5 months. 凯力朗智能's advantage is iOS requirement (8.0 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.

凯力朗智能 ships an update every 5 months, OD Link系统 monthly. The most recent releases landed on October 14, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 凯力朗智能 | OD Link系统 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Size | 49 MB | 56 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wenzhou Yunjia Network Technology Co., Ltd.](https://appshunter.io/developer/1448073059) | [ChengLu Education Technology (Hubei) Co., Ltd.](https://appshunter.io/developer/1557843667) |

## What reviewers say

### 凯力朗智能

[App page](https://appshunter.io/ios/app/id1448073060)

**Features:** macOS Compatibility

**In-app purchases:** none


### OD Link系统

[App page](https://appshunter.io/ios/app/od-link/id1633922510)

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

**In-app purchases:** none


## Frequently asked questions

### Is 凯力朗智能 free?

凯力朗智能 is free to download, with no in-app purchases.

### Is OD Link系统 free?

OD Link系统 is free to download, with no in-app purchases.

### Do 凯力朗智能 or OD Link系统 have ads?

Neither 凯力朗智能 nor OD Link系统 shows ads.

### Which is updated more often, 凯力朗智能 or OD Link系统?

凯力朗智能 ships an update every 5 months, and OD Link系统 monthly. Most recently, 凯力朗智能 was updated on October 14, 2026 and OD Link系统 on October 19, 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.*