# KYDZ vs SmartKey Box

The clearest difference is rating: SmartKey Box at 5.0 against KYDZ's 4.1. SmartKey Box also leads on iOS requirement (10.0 vs 15.0). KYDZ's advantage is ratings volume (7 vs 1). 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.

SmartKey Box holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: KYDZ has 7 ratings behind it against 1, so its average is the more settled of the two.

KYDZ ships an update every 10 days, SmartKey Box fortnightly. The most recent releases landed on September 13, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | KYDZ | SmartKey Box |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (7 ratings)](https://appshunter.io/ios/app/kydz/id1539109976/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smartkey-box/id1544208283/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Free | Free |
| Size | 403 MB | 181 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Wuxi Kaiyang Electronic Technology Co., Ltd.](https://appshunter.io/developer/1131154502) | [Shenzhen XHorse Electronics Co., Ltd.](https://appshunter.io/developer/847134173) |

## What reviewers say

### KYDZ

[App page](https://appshunter.io/ios/app/kydz/id1539109976)

This app connects automotive locksmiths to specialized hardware for generating car remotes, smart cards, and performing key profiling. It offers tools like a mechanical key ruler and VIN lookup for efficient locksmithing tasks.

**Highlights:** Car remote control generation, Smart card generation, Key profiling cutting, Mechanical key ruler, Vehicle frame number query, Bluetooth device connectivity

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

**In-app purchases:** none


### SmartKey Box

[App page](https://appshunter.io/ios/app/smartkey-box/id1544208283)

Control your car's locks, trunk, and panic functions directly from your smartphone. This app connects via Bluetooth to a smart key box, offering a convenient and customizable way to manage vehicle access with various gesture controls.

**Highlights:** Bluetooth connectivity to smart key box, Remote lock/unlock vehicle, Trunk open function, Panic alarm activation, Customizable gesture controls (single-click, double-click, press-and-hold), Multiple style options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KYDZ free?

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

### Is SmartKey Box free?

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

### Which has better reviews, KYDZ or SmartKey Box?

SmartKey Box is rated higher. KYDZ averages 4.1 out of 5 from 7 ratings, while SmartKey Box averages 5.0 from 1 ratings.

### Do KYDZ or SmartKey Box have ads?

Neither KYDZ nor SmartKey Box shows ads.

### Which is updated more often, KYDZ or SmartKey Box?

KYDZ ships an update every 10 days, and SmartKey Box fortnightly. Most recently, KYDZ was updated on September 13, 2026 and SmartKey Box on September 16, 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.*