# OBDMap GM Service vs OBDocker

The clearest difference is in-app purchases: OBDMap GM Service at none against OBDocker's 7. OBDocker's advantage is device support. On price and iOS requirement there is nothing between them.

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

## The numbers

| Metric | OBDMap GM Service | OBDocker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (17 ratings)](https://appshunter.io/ios/app/obdocker-obd2-car-scanner/id6466999549/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 46.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Fortnightly |
| Monetization | — | Freemium |
| Size | 26 MB | 238 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chiptronic Eletronica do Brasil Ltda](https://appshunter.io/developer/1098176482) | [Motorsure. Inc](https://appshunter.io/developer/1707281085) |

## What reviewers say

### OBDMap GM Service

[App page](https://appshunter.io/ios/app/obdmap-gm-service/id1665213620)

**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 OBDMap GM Service free?

OBDMap GM Service is free to download, with no in-app purchases.

### Is OBDocker free?

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

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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.*