Comparison

HT200 vs Key Genius

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

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.

Highlights
  • DIY car key pairing
  • Compatible with thousands of vehicles
  • Step-by-step phone instructions
  • Home installation
  • Pre-cut key delivery
Features
Read full description

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

HT2004 screens
Key Genius4 screens

Verdict

The call

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 14) and review sentiment (33% vs 15%). HT200's advantage is update cadence (every 6 weeks vs every 3 months) and ratings volume (303 vs 63). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. HT200 sells 14 one-off in-app purchases. Key Genius asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Key Genius holds the better App Store score, 2.5 against 1.9. Both are backed by a comparable volume of ratings — 303 and 63 respectively. Written reviews point the same way: 15% of HT200's written reviews are positive against 33% of Key Genius's.

UpkeepUpdate frequency

HT200 ships an update every 6 weeks, Key Genius every 3 months. The most recent releases landed on September 23, 2026 and August 31, 2026 respectively.

Scorecard6 real differences · 4 level
HT200 versus Key Genius: the parameters behind the verdict, then further details
ParameterHT200Key Genius
PriceFreeFree
Rating1.9 (303 ratings)2.5 (63 ratings) — better
Positive reviews15.4% of reviews33.3% of reviews — better
Number of ratings303 — better63
Update frequencyEvery 6 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.010.0 — better
Further details — not scored
Size106 MB161 MB
Age rating4+4+
DeveloperAutel Intelligent Technology Co., Ltd.Autel Intelligent Technology Co., Ltd.

Customer experience

HT200

All ratings303 ratings
Positive18.5%
Neutral7.9%
Negative73.6%
Written reviews91 reviews
Positive15.4%
Neutral7.7%
Negative76.9%

Key Genius

All ratings63 ratings
Positive36.5%
Neutral4.8%
Negative58.7%
Written reviews39 reviews
Positive33.3%
Neutral7.7%
Negative59.0%

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

Not enough reviews yet to summarise bugs or requests.

In-app purchases

14 purchases

HT200

One-time14
  • Hyundai for one year$21.99
  • JEEP for one year$21.99
  • Dodge for one year$21.99
Show 11 more
  • Chrysler for one year$21.99
  • 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
  • Audi for one year$21.99
  • Kia for one year$21.99
  • Benz for one year$21.99
None

Key Genius

No in-app purchases

Questions

Is HT200 free?
HT200 is free to download, with in-app purchases available.
Is Key Genius free?
Key Genius is free to download, with no in-app purchases.
Which has better reviews, HT200 or Key Genius?
Key Genius is rated higher. HT200 averages 1.9 out of 5 from 303 ratings, while Key Genius averages 2.5 from 63 ratings.
Do HT200 or Key Genius have ads?
Neither HT200 nor Key Genius shows ads.
Which is updated more often, HT200 or Key Genius?
HT200 ships an update every 6 weeks, and Key Genius every 3 months. Most recently, HT200 was updated on September 23, 2026 and Key Genius on August 31, 2026.

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