# G.Smart 4.0 vs OBDMap GM Service

The clearest difference is device support: G.Smart 4.0 at 2 against OBDMap GM Service's —. On price, in-app purchases and iOS requirement there is nothing between them.

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

## The numbers

| Metric | G.Smart 4.0 | OBDMap GM Service |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 20 months | — |
| Size | 173 MB | 26 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Garen Automacao SA](https://appshunter.io/developer/1439140467) | [Chiptronic Eletronica do Brasil Ltda](https://appshunter.io/developer/1098176482) |

## What reviewers say

### G.Smart 4.0

[App page](https://appshunter.io/ios/app/gsmart-40/id1626288093)

**Features:** macOS Compatibility

**In-app purchases:** none


### OBDMap GM Service

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

**In-app purchases:** none


## Frequently asked questions

### Is G.Smart 4.0 free?

G.Smart 4.0 is free to download, with no in-app purchases.

### Is OBDMap GM Service free?

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

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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.*