Comparison

Auto AI Diagnostics vs Grip OBD

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

Head to head
About

Auto AI Diagnostics

Features
Read full description

Your check engine light is on. Now what? Auto AI Diagnostics turns your iPhone into an AI-powered car diagnostic tool. Plug a Bluetooth OBD2 adapter into the port under your dash, tap scan, and AXEL — your AI shop foreman — reads the fault codes straight from your car's computer and explains what's going on in plain English or Spanish: what's happening, how serious it is, whether it's a DIY fix or a shop job, and what to do next. FEATURES: • Real fault codes pulled straight from your car's computer — engine and control modules • Automatic VIN read directly from your vehicle's ECU • AI-powered diagnosis with evidence and an action plan — not just a code definition • Fault code descriptions verified against the web for accuracy • View Conditions: see the mileage, battery voltage, and speed recorded when each fault set • Live engine data — RPM, coolant temp, battery voltage, throttle, and more • Odometer tracking with every scan • Scan history so you can track issues over time • DIY repair guidance and YouTube repair video suggestions for your exact vehicle • Ask AXEL follow-up questions about your specific car • Works with older, pre-2008 (K-line) vehicles too • The entire app in English or Spanish — including AXEL's AI diagnosis. Switch anytime. WHAT YOU NEED: A Bluetooth OBD2 adapter (ELM327-compatible, sold separately). It plugs into the OBD port under the dashboard on the driver's side — and on iPhone there's no pairing needed, the app finds it automatically. Works with most gas-powered cars and light trucks sold since 1996 (OBD2), including many pre-2008 K-line vehicles. Auto AI Diagnostics helps you understand your car and make informed decisions — it's information and guidance, not a substitute for a professional inspection when safety is on the line.

About

Grip OBD

Features
Read full description

Grip turns your iPhone into a real in-car instrument cluster and diagnostic tool. Pair a standard ELM327 OBD-II Bluetooth adapter and watch your engine come alive with a premium, tach-grade dashboard. LIVE DASHBOARD • Fast, beautiful radial gauges — RPM, speed, throttle, engine load, coolant, battery voltage and more • 17 live parameters, fully customizable — choose which gauges and tiles you see • Metric or imperial, your call PERFORMANCE TIMER • Time a full-throttle pull straight off your car's speed signal • 0–60 mph, 0–100 km/h, eighth and quarter mile with trap speed, and top speed • Live splits, a speed-vs-time graph, and saved runs with personal-best tracking TRIP LOGGING • Record every channel while you drive • Review RPM and speed graphs, session peaks, distance • Export any trip to CSV to dig in on your computer TROUBLE CODES • Read the diagnostic trouble codes behind your check-engine light (Mode 03) • Plain-language descriptions for common codes • Read-only and safe — Grip never clears or writes anything to your car OBD CONSOLE • Send raw ELM327/OBD-II commands and see the responses • Great for tinkering and learning the protocol TRY IT WITH NO HARDWARE • Demo mode emulates a live ECU, so the entire app works before your adapter arrives Everything runs on your device. Grip collects no data and transmits nothing to the internet. Compatible with common ELM327 Bluetooth adapters (OBD, ELM, Vgate, Viecar, VLink and similar).

Screenshots

Auto AI Diagnostics4 screens
Grip OBD4 screens

Verdict

The call

The clearest difference is iOS requirement: Auto AI Diagnostics at 15.1 against Grip OBD's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference Ā· 5 level
Auto AI Diagnostics versus Grip OBD: the parameters behind the verdict, then further details
ParameterAuto AI DiagnosticsGrip OBD
PriceFreeFree
Update frequencyWeekly—
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size84 MB1 MB
Age rating4+4+
DeveloperMatthew SheafferNEKTARIOS SIGALAS

In-app purchases

None

Auto AI Diagnostics

No in-app purchases

None

Grip OBD

No in-app purchases

Questions

Is Auto AI Diagnostics free?
Auto AI Diagnostics is free to download, with no in-app purchases.
Is Grip OBD free?
Grip OBD is free to download, with no in-app purchases.
Do Auto AI Diagnostics or Grip OBD have ads?
Neither Auto AI Diagnostics nor Grip OBD shows ads.

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