Autel Comparison Chart: Autel Key Programming Tools

This is the final part of our Autel scanner comparison chart. In previous comparison charts, we introduced Autel scanning tools from different series, including the Autel 900 series, MaxiSys series, Ultra series, and more. Today, we will mainly compare Autel key programming tools, using a comparison chart to help you better choose the Autel key programmer that suits your needs.

Autel Key Programming List at a Glance

• Price is from our obdprice online store, an Autel authorized dealer.
• The "S" and "Pro II" versions are the latest upgrades and often replace older models. The newer versions typically have improved hardware (faster processors, more RAM, and updated operating systems) and expanded vehicle coverage, especially for newer vehicles.

Overview of Autel Key Programming Tools

1.Autel MaxiIM KM100 Key Programming Tool

The Autel MaxiIM KM100 (2025) takes automotive key programming to the next level with its smart Android tablet design. It offers advanced transponder cloning, IMMO coding, and smart key replacement for 700+ vehicle models. Perfect for programming your car key fobs, and also first choice for locksmiths and technicians. Despite being just a fraction of the price of full-sized tablets, the KM100 delivers impressive functionality and high value.

Top Key Features:

✔ Key Generation in 60 Seconds

✔ Free Lifetime Online Update

✔ Key Learning via OBD for 90% Vehicles

✔ Program Keys for 700+ Vehicles

Autel KM100 Key Features

2. Autel IM508 S Key Programmer

The Autel IM508S is a tablet-based tool that offers essential diagnostic functions along with basic IMMO and key programming features. It’s ideal for smaller workshops or technicians who don’t need full advanced IMMO functions

Top Key Features:

✔ Advanced IMMO Level

✔ All Systems Diagnostic

✔ Smart & Expert Modes

✔ 3000+ Bi-Directional Active Tests

$660 OFF

Autel MaxiIM IM508S

$939.00

$1599.00

[2-Year Free Update] Key Fob Programming Tool with XP200 Programmer, All System Diagnostic Scan, Bi-Directional Control, 40+ Service, Upgrade of IM508/KM100

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3. Autel IM508S Pro

The Autel MaxiIM IM508S PRO gives you powerful key programming and IMMO functions at a more affordable price. With wide vehicle coverage and built-in diagnostics, it’s the perfect balance of performance and value for technicians and locksmiths. This immo IM508 diagnosis level = MX808 device.

Top Key Features:

✔ Top-Tier IMMO Level

✔ 2 Years Updates — $350 Saved

✔ Get the XP400 PRO Kit — $569 Saved

✔ Upgraded From 28+ to 40+ Services

4. Autel MaxiIM IM608ProⅡ/IM608SⅡ OBD2 Scanner with Key Programming

This IM608 Pro II OBD2 scanner with key programming, it gets diagnostics and programming done up to 2x faster with Autel’s new Ultra-Top hardware, built on Android 10.0 and powered by a Snapdragon 660 chip.

The MaxiIM IM608 PRO II is IMMO key FOB programming tool, advanced ECU Coding, upgrade of IM608 PRO/IM608/IM508S. If you demand maximum power, vehicle coverage, and advanced diagnostics, the IM608S II / IM608 PRO II is the tool for you.

$2211 OFF

Autel MaxiIM IM608S II

$2788.00

$4999.00

[2 Years Free Update] Same as IM608 PRO II | Automotive All-In-One Key Programming Tool, Top IMMO Functions, Advanced ECU Coding, No IP Limitation, Upgrade of Autel IM608 PRO/IM608/IM508S

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Autel Comparison Chart: Autel Key Programming Tools

Image
Item	Autel KM100	IM508S	IM508S Pro	IM608 Pro II Same As IM608S II
Hardware
Connection	Blutetooth	OBD Cable	OBD Cable	Bluetooth(JVCI+)
Processor	PX30 4x ARM Cortex-A35	Cortex-A55 processor	Cortex-A55 processor	Qualcomm SDM660 Octa-core
Screen	5.5-inch	7-inch	7-inch	10.1-inch
System	Android 9.0	Android 11.0	Android 11.0	Android 10.0
Memory	2GB+64GB	4GB+64GB	4GB+64GB	4GB+128GB
Battery	4950mAh	5000mAh	5000mAh	15000mAh
Multimedia	✘	✘	✘	✔
Progammer Functions
Auto Scan	✔	✔	✔	✔
Universal Key Generation	✔	✔	✔	✔
Transponder Generation	✔(in 60 seconds)	✔	✔	✔
Transponder Reading & Editing & Cloning	✔	✔	✔	✔
Transponder Simulation(Chip: ID46, ID47, ID48, ID49, ID4A, ID8A)	✔	✔(Via APB112)	✔(Via APB112)	✔(Via APB112)
Frequency Detection	✔	✔	✔	✔
Ignition Coil Detection	✔	✔	✔	✔
IMMO Functions
IMMO Scan	✔	✔	✔	✔
Key/Remote Learning	✔(Limited via OBD)	✔	✔	✔
Retrieve/Backup/Restore/IMMO Data	✘	✔	✔	✔
IMMO ECU Reset/Adaptation/Refresh/Coding	✘	✔	✔	✔
Key Programmer	/	XP200	XP400 Pro	XP400 Pro
Reading/Writing EEPROM	✘	✔	✔	✔
Reading/Writing MCU	✘	✔(Basic)	✔(3000+)	✔(3000+)
Reading/Writing IMMO ECU	✘	✔(Only Reading)	✔	✔
Remote Frequency Detect & Support PC	✘	✘	✔	✔
IC CARD &MC9S12 Encryption Chip Read/Write	✘	✘	✔	✔
Diagnostic Functions
Diagnostic Level	✘	Medium	Medium	High(Comparable to MS908)
Auto Scan	✘	✔	✔	✔
Reading/Erasing codes	✘	✔	✔	✔
Read Live Data	✘	✔	✔	✔
Read Freeze Data	✘	✔	✔	✔
Bi-directional Control	✘	✔	✔	✔
Report Manage	✘	✔	✔	✔
Maintenance Service	✘	✔(28+)	✔(40+)	✔(40+)
Reading/Writing Engine ECU	✘	Only Reading	Only Reading	✔
Online Coding	✘	✘	✘	✔(Mercedes-Benz✘)
Offline Coding	✘	✘	✘	✔
Guided Function	✘	✘	✘	✔(Mercedes, BMW, JLR✘)
Other Functions
Remote Desk	✔	✔	✔	✔
In-Vehicle Network(IVN)	✘	CAN FD(Adapters Required)(Except NA)	CAN FD(Adapters Required)(Except NA)	D-PDU/RP1210/DOIP/CAN FD
Remote Expert	✘	✘	✘	✔

Autel KM100 VS IM508S VS IM508S Pro VS IM608S II: How To Choose?

• KM100: Ideal for new locksmiths, mobile work, or budget-conscious users.
• IM508S: Great for small workshops or technicians needing basic IMMO & diagnostics.
• IM508S PRO: A solid middle ground with more key programming power—without the cost of the IM608 series.
• IM608S II / IM608 PRO II: Best for professionals who need full-featured IMMO and advanced OE-level diagnostics. The most powerful models available.

You can also refer to the summary of the configuration features below to choose the key programmer that best suits your needs:

Conclusion

By now, you’ve explored the key differences between the IM608 PRO II, IM608S II, IM508S, and KM100 — and hopefully found the perfect tool that fits your needs and budget.