Comparison

AutoTech vs Partsbond

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

Head to head

About

AutoTech

This automotive calculator provides quick computations for over 45 formulas across various vehicle systems. It supports both U.S. and metric units, making it a versatile tool for mechanics, technicians, and enthusiasts.

Highlights

45+ automotive formulas
Aerodynamics calculations
Chassis calculations
Drivetrain calculations
Engine calculations
Performance calculations
Suspension calculations
Tire calculations

Features

Read full description

AutoTech is an automotive calculator that offers the mechanic, technician or enthusiast quick computation of 45+ formulas in the areas of aerodynamics, chassis, drivetrain, engine, performance, suspension, and tires. Supports both U.S. and metric units.

About

Partsbond

Features

Read full description

Partsbond, accurate auto parts query tool.providing users with accurate, instant and comprehensive suto parts information of various automobile makes. At present, we covers 33 brands, including ALFA ROMEO, AUDI, BENTLEY, BMW, BUICK, CADILLAC, CHEVROLET, CHRYSLER, DODGE, FERRARI, FIAT, FORD, HYUNDAI, JAGUAR, JEEP, KIA, LAMBORGHINI, LAND ROVER, LEXUS, MAYBACH, MCLAREN, MERCEDES-BENZ, MINI, MUSTANG, PORSCHE, ROLLS-ROYCE, SEAT, SKODA, SMART, TESLA, TOYOTA, VOLVO,VOLKSWAGEN.

Screenshots

AutoTech4 screens

Partsbond4 screens

Verdict

The call

The clearest difference is price: Partsbond at Free against AutoTech's $1.99. Partsbond also leads on update cadence (every 2 months vs every 32 months). AutoTech's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement 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

Partsbond is free to download; AutoTech costs $1.99 up front. Partsbond sells 2 one-off in-app purchases. AutoTech asks for nothing beyond the download.

UpkeepUpdate frequency

AutoTech ships an update every 32 months, Partsbond every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 5 level

AutoTech versus Partsbond: the parameters behind the verdict, then further details
Parameter	AutoTech	Partsbond
Price	$1.99	Free — better
Positive reviews	100.0% of reviews	—
Update frequency	Every 32 months	Every 2 months — better
Ads	No	No
In-app purchases	No — better	Yes
Monetization	Paid	—
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	15.6	15.6
Further details — not scored
Size	2 MB	99 MB
Age rating	4+	4+
Developer	Steven Clarner	杭州云汽配配科技有限公司

In-app purchases

None

AutoTech

No in-app purchases

2 purchases

Partsbond

One-time2

Monthly membership$59.99
Yearly membership$599.99

Questions

Is AutoTech free?

AutoTech costs $1.99, with no in-app purchases.

Is Partsbond free?

Partsbond is free to download, with in-app purchases available.

Do AutoTech or Partsbond have ads?

Neither AutoTech nor Partsbond shows ads.

Which is updated more often, AutoTech or Partsbond?

AutoTech ships an update every 32 months, and Partsbond every 2 months. Most recently, AutoTech was updated on November 1, 2026 and Partsbond on November 3, 2026.