# 记录仪助手 vs 凌度钥匙Plus

The clearest difference is update cadence: 凌度钥匙Plus at every 3 weeks against 记录仪助手's every 2 months. 记录仪助手's advantage is iOS requirement (9.0 vs 13.0). 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.

记录仪助手 ships an update every 2 months, 凌度钥匙Plus every 3 weeks. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 记录仪助手 | 凌度钥匙Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id1574139900/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 62 MB | 38 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [东莞卡卡电子科技有限公司](https://appshunter.io/developer/1140439649) | [Shenzhen Lingdu Auto Electronics Co., Ltd.](https://appshunter.io/developer/1727524224) |

## What reviewers say

### 记录仪助手

[App page](https://appshunter.io/ios/app/id1574139900)

**Features:** macOS Compatibility

**In-app purchases:** none


### 凌度钥匙Plus

[App page](https://appshunter.io/ios/app/plus/id6448126824)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 记录仪助手 free?

记录仪助手 is free to download, with no in-app purchases.

### Is 凌度钥匙Plus free?

凌度钥匙Plus is free to download, with no in-app purchases.

### Do 记录仪助手 or 凌度钥匙Plus have ads?

Neither 记录仪助手 nor 凌度钥匙Plus shows ads.

### Which is updated more often, 记录仪助手 or 凌度钥匙Plus?

记录仪助手 ships an update every 2 months, and 凌度钥匙Plus every 3 weeks. Most recently, 记录仪助手 was updated on October 13, 2026 and 凌度钥匙Plus on October 5, 2026.

---

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