# KYDZ vs OBDSTAR

The clearest difference is review sentiment: KYDZ at 75% against OBDSTAR's 0%. KYDZ also leads on rating (4.1 vs 1.5) and ads (none vs shown). On price, ratings volume, 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.

KYDZ holds the better App Store score, 4.1 against 1.5. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews point the same way: 75% of KYDZ's written reviews are positive against 0% of OBDSTAR's.

KYDZ ships an update every 10 days, OBDSTAR every 6 months. The most recent releases landed on September 13, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | KYDZ | OBDSTAR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (7 ratings)](https://appshunter.io/ios/app/kydz/id1539109976/reviews)** | [1.5 (4 ratings)](https://appshunter.io/ios/app/obdstar/id6447170127/reviews) |
| Number of ratings | **7** | 4 |
| Positive reviews | **75.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 6 months |
| Monetization | **Free** | Ad-supported |
| Size | 403 MB | 122 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Wuxi Kaiyang Electronic Technology Co., Ltd.](https://appshunter.io/developer/1131154502) | [深圳市轩宇车鼎科技有限公司](https://appshunter.io/developer/1680461221) |

## 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


### OBDSTAR

[App page](https://appshunter.io/ios/app/obdstar/id6447170127)

A handheld maintenance database for technicians, offering technical support, data queries, video viewing, and after-sales consultation. It provides a comprehensive database for automotive, motorcycle, and marine maintenance, aiming for efficient and professional service.

**Highlights:** Handheld maintenance database, Technical support, Data query, Video viewing, After-sales consultation, Comprehensive maintenance data

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

**In-app purchases:** none


## Frequently asked questions

### Is KYDZ free?

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

### Is OBDSTAR free?

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

### Which has better reviews, KYDZ or OBDSTAR?

KYDZ is rated higher. KYDZ averages 4.1 out of 5 from 7 ratings, while OBDSTAR averages 1.5 from 4 ratings.

### Do KYDZ or OBDSTAR have ads?

OBDSTAR shows ads; KYDZ does not.

### Which is updated more often, KYDZ or OBDSTAR?

KYDZ ships an update every 10 days, and OBDSTAR every 6 months. Most recently, KYDZ was updated on September 13, 2026 and OBDSTAR on September 22, 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.*