Key Genius vs CAR OBD
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.
CAR OBD
This utility app helps users manage car keys by facilitating the matching of existing keys and the addition of new ones. It supports both single key additions and batch processing for multiple keys.
- Match car keys
- Add single car key
- Batch add multiple keys
- Supports iPhone and iPad
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An App for matching car keys, adding one key or batchadding multiple keys
Screenshots
Verdict
The clearest difference is rating: CAR OBD at 5.0 against Key Genius's 2.5. Key Genius's advantage is in-app purchases (none vs 5) and review sentiment (33% vs 0%). On price, update cadence, ads and monetization model 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. CAR OBD sells 5 one-off in-app purchases. Key Genius asks for nothing beyond the download.
CAR OBD holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: Key Genius has 63 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 33% of Key Genius's written reviews are positive against 0% of CAR OBD's, so the app with the better star average is not the one people write more warmly about.
Key Genius ships an update every 3 months, CAR OBD every 6 weeks. The most recent releases landed on August 31, 2026 and August 2, 2026 respectively.
| Parameter | Key Genius | CAR OBD |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (63 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 33.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 63 — better | 1 |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 13 |
| Further details — not scored | ||
| Size | 161 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Autel Intelligent Technology Co., Ltd. | Dongguan Shendu Research Intelligent Technology Co., Ltd. |
Customer experience
Key Genius
CAR OBD
In-app purchases
Key Genius
No in-app purchases
CAR OBD
- OBD number recharge One$3.00
- OBD number recharge Two$6.00
- OBD number recharge three$9.00
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- OBD number recharge four$12.00
- OBD number recharge five$15.00
