Comparison

MaxiAP vs Car Keys Express

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

Head to head
About

MaxiAP

Access comprehensive OBDII functions for free, including oil resets, EPB, and SAS. Automatically identify vehicles with VIN technology and generate shareable repair reports. Expand functionality with optional in-app purchases.

Highlights
  • All OBDII functions free
  • One free vehicle software
  • Up to 19 specific functions
  • Auto VIN technology
  • Generate repair reports
  • In-app purchase for expanded coverage
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

Car Keys Express

Duplicate your car keys from home using your phone's camera. Save money by avoiding dealership prices and get keys cut and shipped to you. Easily pair new keys with a DIY installer for compatible vehicles.

Highlights
  • Duplicate car keys with phone camera
  • Save up to 75% off dealership prices
  • Keys cut and shipped
  • DIY key pairing with EZ Installer
  • Digital spare key storage
  • Military-grade data encryption
Features
Read full description

If you can take a selfie, you can make a car key. The Car Keys Express app allows you to duplicate your car keys using the camera on your phone—all without leaving your home, while saving up to 75% off dealership pricing. It’s as easy as “pic and pair.” 1. Pic: Take pictures of your key. 2. Pair: We ship you a key, already cut and ready for pairing. Get keys for 90% of vehicles on the road. - The app cuts standard edge-cut blades and high-security laser cut keys. - Enter your vehicle’s make, model, and year in the app to determine if we can make keys for your vehicle. - Keys are typically cut within 2-3 business days. Keys for many vehicles can be paired with our do-it-yourself EZ Installer™*. - Easily pair new keys at the press of a button. - *See compatibility list at CarKeysExpress.com/app. Save a digital spare in the cloud—free of charge. - Protect yourself against future loss. - If your keys are lost or damaged, you can easily order replacements. We protect your information. - Data transmitted through our network is fully military-grade encrypted. - We securely store your personal information and key data in separate servers. - To protect against unauthorized duplication, we require you to submit proof of ownership (such as registration, insurance, or title). - We only ship keys to the address listed in the ownership documents.

Screenshots

MaxiAP4 screens
Car Keys Express4 screens

Verdict

The call

The clearest difference is rating: Car Keys Express at 2.7 against MaxiAP's 2.2. Car Keys Express also leads on in-app purchases (none vs 10) and review sentiment (50% vs 16%). MaxiAP's advantage is update cadence (every 6 weeks vs every 4 months) and ratings volume (167 vs 27). On price, ads 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. MaxiAP sells 10 one-off in-app purchases. Car Keys Express asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Car Keys Express holds the better App Store score, 2.7 against 2.2. That said, the two scores are not equally well evidenced: MaxiAP has 167 ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 16% of MaxiAP's written reviews are positive against 50% of Car Keys Express's.

UpkeepUpdate frequency

MaxiAP ships an update every 6 weeks, Car Keys Express every 4 months. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 3 level
MaxiAP versus Car Keys Express: the parameters behind the verdict, then further details
ParameterMaxiAPCar Keys Express
PriceFreeFree
Rating2.2 (167 ratings)2.7 (27 ratings) — better
Positive reviews16.3% of reviews50.0% of reviews — better
Number of ratings167 — better27
Update frequencyEvery 6 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.010.0 — better
Further details — not scored
Size102 MB92 MB
Age rating4+4+
DeveloperAutel Intelligent Technology Co., Ltd.Car Keys Express

Customer experience

MaxiAP

All ratings167 ratings
Positive25.1%
Neutral9.0%
Negative65.9%
Written reviews196 reviews
Positive16.3%
Neutral9.2%
Negative74.5%

Car Keys Express

All ratings23 ratings
Positive43.5%
Neutral4.3%
Negative52.2%
Written reviews12 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Bugs and requests

MaxiAP

Reported bugs

4 issues
  • App crashes after firmware updates
  • Service functions not working as expected
  • Login and account issues
  • Diagnostic system initialization freezes

Requested features

4 requests
  • Update vehicle coverage more frequently
  • Improve app stability and reduce crashes
  • Provide offline mode for diagnostics
  • Dedicated iPad app with better UI

Car Keys Express

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

MaxiAP

One-time10
  • Dodge for one year$21.99
  • JEEP for one year$21.99
  • Honda for one year$21.99
Show 7 more
  • 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
  • Benz for one year$21.99
None

Car Keys Express

No in-app purchases

Questions

Is MaxiAP free?
MaxiAP is free to download, with in-app purchases available.
Is Car Keys Express free?
Car Keys Express is free to download, with no in-app purchases.
Which has better reviews, MaxiAP or Car Keys Express?
Car Keys Express is rated higher. MaxiAP averages 2.2 out of 5 from 167 ratings, while Car Keys Express averages 2.7 from 27 ratings.
Do MaxiAP or Car Keys Express have ads?
Neither MaxiAP nor Car Keys Express shows ads.
Which is updated more often, MaxiAP or Car Keys Express?
MaxiAP ships an update every 6 weeks, and Car Keys Express every 4 months. Most recently, MaxiAP was updated on November 11, 2026 and Car Keys Express on November 3, 2026.

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