Key Genius vs ezInstaller
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Key Genius
Easily program new car keys at home using your smartphone. Compatible with thousands of vehicle models, this app guides you through the DIY installation process after receiving a pre-cut key.
- DIY car key pairing
- Compatible with thousands of vehicles
- Step-by-step phone instructions
- Home installation
- Pre-cut key delivery
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The Key Genius lets you easily “pair” new car keys using an app on your phone. The “do-it-yourself” installer is compatible with thousands of vehicle makes and models. Skip the dealership, add new keys to your car at home. Just purchase a key from CarKeysExpress.com/store, submit a photo of your key, and we’ll ship you the key pre-cut and ready for pairing. Then, download the app, plug the installer into your vehicle’s diagnostic port, and follow simple instructions on your phone.
ezInstaller
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ezlnstaller是一款适用于安装运营维护软件工具，根据设备型号的不同，对不同通道进行标定，提供以下功能1. 设备标定，包含ADAS标定、BSD标定、DMS标定、DSC标定，用来提供产品精确度，以及提高效率！
Screenshots
Verdict
The clearest difference is iOS requirement: Key Genius at 10.0 against ezInstaller's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Key Genius ships an update every 3 months, ezInstaller every 2 months. Both last shipped on November 3, 2026.
| Parameter | Key Genius | ezInstaller |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (74 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 74 — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 161 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Autel Intelligent Technology Co., Ltd. | Chongqing Streamax Information Technology Co., Ltd. |
Bugs and requests
Key Genius
Reported bugs
11 issues- App bounces around and has dead touch buttons
- App reports pairing 5 keys when only 2 were paired
- Device fails to pair with phone
- App shows vehicle software version mismatch when app is updated
- App crashes on iPhone 14
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- Bluetooth connection issues
- VIN not recognized or too short
- Security access failed error
- Ignition detection issues
- Serial number error with incorrect QR code scan
- App does not work on iOS 18
Requested features
6 requests- Improve app clarity and instructions
- Add option to remove keys from car's memory
- Clarify distinction between EZ Installer and Key Genius apps
- Fix app crashes on iPhone 14
- Ensure compatibility with latest iOS versions
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- Add option to remove disabled keys from memory
ezInstaller
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Key Genius
No in-app purchases
ezInstaller
No in-app purchases
