# 机大侠回收商版 vs K

机大侠回收商版 and K are too close to call on the numbers: across 8 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

On the App Store both sit at effectively the same score — 5.0 for 机大侠回收商版 against 5.0 for K. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

机大侠回收商版 ships an update fortnightly, K every 2 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | 机大侠回收商版 | K |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/id1562665263/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/k-check/id1611118121/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 104 MB | 28 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [深圳市润楚科技有限公司](https://appshunter.io/developer/1478410538) | [深圳市金得源电子有限公司](https://appshunter.io/developer/1611118123) |

## What reviewers say

### 机大侠回收商版

[App page](https://appshunter.io/ios/app/id1562665263)

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

**In-app purchases:** none


### K

[App page](https://appshunter.io/ios/app/k-check/id1611118121)

This utility app helps you check the basic functionality of your mobile device. It allows you to test various hardware components to ensure they are working correctly. A simple tool for device diagnostics.

**Highlights:** Basic function testing, Hardware component check, Device diagnostics, Simple interface

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 机大侠回收商版 free?

机大侠回收商版 is free to download, with no in-app purchases.

### Is K free?

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

### Which has better reviews, 机大侠回收商版 or K?

机大侠回收商版 and K are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do 机大侠回收商版 or K have ads?

Neither 机大侠回收商版 nor K shows ads.

### Which is updated more often, 机大侠回收商版 or K?

机大侠回收商版 ships an update fortnightly, and K every 2 weeks. Most recently, 机大侠回收商版 was updated on November 3, 2026 and K on November 3, 2026.

---

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