# CARAPP vs OBDocker

The clearest difference is review sentiment: OBDocker at 47% against CARAPP's 0%. OBDocker also leads on rating (3.9 vs 1.5) and update cadence (fortnightly vs monthly). CARAPP's advantage is in-app purchases (none vs 7) and iOS requirement (6.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. OBDocker sells 7 in-app purchases, starting at $2.99 per month. CARAPP asks for nothing beyond the download.

OBDocker holds the better App Store score, 3.9 against 1.5. That said, the two scores are not equally well evidenced: OBDocker has 17 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of CARAPP's written reviews are positive against 47% of OBDocker's.

CARAPP ships an update monthly, OBDocker fortnightly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CARAPP | OBDocker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/carapp/id650286646/reviews) | **[3.9 (17 ratings)](https://appshunter.io/ios/app/obdocker-obd2-car-scanner/id6466999549/reviews)** |
| Number of ratings | 2 | **17** |
| Positive reviews | 0.0% of reviews | **46.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Size | 43 MB | 238 MB |
| Requires iOS | **6.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Autophix Tech Co., Ltd](https://appshunter.io/developer/650288249) | [Motorsure. Inc](https://appshunter.io/developer/1707281085) |

## What reviewers say

### CARAPP

[App page](https://appshunter.io/ios/app/carapp/id650286646)

This utility app connects to your car's hardware to retrieve diagnostic trouble codes and security information. It displays real-time data like oil consumption and provides alerts for malfunctions, temperature, speed, and maintenance reminders, helping car owners manage costs.

**Highlights:** Retrieve diagnostic trouble codes, Display real-time oil consumption, Clear trouble code information, Vehicle malfunction alerts, Maintenance and shift reminders, Real-time vehicle security information

**Features:** macOS Compatibility

**In-app purchases:** none


### OBDocker

[App page](https://appshunter.io/ios/app/obdocker-obd2-car-scanner/id6466999549)

This app acts as a professional OBD2 car scanner, enabling users to diagnose, service, and customize their vehicles. It offers comprehensive diagnostic modes, real-time data monitoring, and various service functions like oil resets and battery registration.

**Highlights:** Triple-mode diagnostics (Full-Systems, Multi-Systems, Quick Scan), Triple-mode live data monitoring (Health, Engine, Dash), Full-cycle service functions (Emissions Pre-Check, Control Tests, Oil Reset, Battery Registration), One-click car setting adjustments and retrofits, Supports a wide range of car brands and models

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OBD Pro (Monthly) | $2.99 | per month |
| OBD Pro Max (Monthly) | $7.99 | per month |
| OBD2 Pro (6 Months) | $14.99 | per 6 months |
| OBD Pro (Annual) | $17.99 | per year |
| Mechanic Access (Quarterly) | $19.99 | per 3 months |
| OBD Pro Max (Annual) | $47.99 | per year |
| OBD Pro Max (Permanent) | $119.99 | one-time |


## Frequently asked questions

### Is CARAPP free?

CARAPP is free to download, with no in-app purchases.

### Is OBDocker free?

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

### Which has better reviews, CARAPP or OBDocker?

OBDocker is rated higher. CARAPP averages 1.5 out of 5 from 2 ratings, while OBDocker averages 3.9 from 17 ratings.

### Do CARAPP or OBDocker have ads?

Neither CARAPP nor OBDocker shows ads.

### Which is updated more often, CARAPP or OBDocker?

CARAPP ships an update monthly, and OBDocker fortnightly. Most recently, CARAPP was updated on November 1, 2026 and OBDocker on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*