HT200 vs Key Genius
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HT200
Access all OBDII functions for free and get one free vehicle software with your initial purchase. This app supports up to 19 specific functions like Oil Reset and EPB, with options to expand coverage via in-app purchases. It also features auto VIN identification and generates shareable repair reports.
- All OBDII functions free
- One free vehicle software
- Supports 19 specific functions
- In-app purchase for expanded coverage
- Auto VIN identification
- Generate repair reports
- Record of tested vehicles
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1. All OBDII functions are available and free 2. One free vehicle’s software with the initial purchase 3. Support up to 19 specific functions, including Oil Reset, EPB, BMS, SAS, DPF, TPMS, IMMO, etc. 4. Expand coverage with additional in-app purchase 5. Auto VIN technology identifies vehicles automatically 6. Generate repair reports of tested vehicles and support PDF format for easy sharing and printing 7. Keep records of vehicles tested previously
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.
Screenshots
Verdict
The clearest difference is rating: Key Genius at 2.5 against HT200's 1.9. Key Genius also leads on in-app purchases (none vs 10) and review sentiment (33% vs 15%). HT200's advantage is update cadence (every 6 weeks vs every 3 months) and ratings volume (303 vs 75). On price, ads, monetization model and device support 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. HT200 sells 10 one-off in-app purchases. Key Genius asks for nothing beyond the download.
Key Genius holds the better App Store score, 2.5 against 1.9. Both are backed by a comparable volume of ratings — 303 and 75 respectively. Written reviews point the same way: 15% of HT200's written reviews are positive against 33% of Key Genius's.
HT200 ships an update every 6 weeks, Key Genius every 3 months. The most recent releases landed on November 4, 2026 and November 11, 2026 respectively.
| Parameter | HT200 | Key Genius |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (303 ratings) | 2.5 (75 ratings) — better |
| Positive reviews | 15.4% of reviews | 33.3% of reviews — better |
| Number of ratings | 303 — better | 75 |
| Update frequency | Every 6 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 106 MB | 161 MB |
| Age rating | 4+ | 4+ |
| Developer | Autel Intelligent Technology Co., Ltd. | Autel Intelligent Technology Co., Ltd. |
Customer experience
HT200
Key Genius
User reviews
HT200
From 303 App Store ratingsWhat we love
- ⭐ Good device
- ⭐ Works perfectly
- ⭐ Powerful tool
- ⭐ Saved me a lot of headache
Room to improve
- 🚫 Connectivity issues
- 🚫 Rarely connects to scanner
- 🚫 Bluetooth connection problems
- 🚫 Useless, doesn't work
- 🚫 Garbage app, waste of money
Key Genius
From 75 App Store ratingsWhat we love
- 👍 Worked for specific vehicles (Mazda, Toyota, Honda, Chevy, Ford, Jeep, Camry, Prius, Liberty, Sonic, F-150)
- 💰 Saved money compared to dealerships
- ✅ Paired keys successfully for some users
- 🚀 Fast pairing for some users
- 👍 Easy to use for some users
Room to improve
- ❌ Does not work for Ford vehicles (reported)
- ❌ App is a jumbled mess, bounces around
- ❌ Instructions are confusing and unclear
- ❌ Dead touch buttons in the app
- ❌ App reports incorrect number of paired keys
Bugs and requests
HT200
Reported bugs
4 issues- App crashes on launch
- Login/registration issues
- Bluetooth sync problems
- Compatibility issues with newer devices
Requested features
4 requests- Update GM key fob programming
- Expand vehicle compatibility
- Improve Bluetooth connectivity
- Add native iPad/Mac support
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
Show 6 moreShow fewer
- 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
Show 1 moreShow fewer
- Add option to remove disabled keys from memory
In-app purchases
HT200
- Hyundai for one year$21.99
- JEEP for one year$21.99
- Dodge for one year$21.99
Show 7 moreShow fewer
- Honda for one year$21.99
- GM for one year$21.99
- Nissan for one year$21.99
- VW for one year$21.99
- Ford for one year$21.99
- Bmw for one year$21.99
- Toyota for one year$21.99
Key Genius
No in-app purchases
