# OBDII Scanner ELM327 OBD2 vs ClockSync Pro

The clearest difference is in-app purchases: ClockSync Pro at none against OBDII Scanner ELM327 OBD2's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. OBDII Scanner ELM327 OBD2 sells 1 one-off in-app purchase. ClockSync Pro asks for nothing beyond the download.

## The numbers

| Metric | OBDII Scanner ELM327 OBD2 | ClockSync Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (8 ratings)](https://appshunter.io/ios/app/obdii-scanner-elm327-obd2/id6450936937/reviews)** | — |
| Number of ratings | **8** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 1 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [paul moore](https://appshunter.io/developer/1655343480) | [春演 余](https://appshunter.io/developer/1886758083) |

## What reviewers say

### OBDII Scanner ELM327 OBD2

[App page](https://appshunter.io/ios/app/obdii-scanner-elm327-obd2/id6450936937)

This app allows you to scan your car's trouble codes and view live data using an OBD2 Bluetooth adapter. It logs statistics and freeze frames for future reference, storing all diagnostic trouble codes (DTCs) on a server.

**Highlights:** Scan car trouble codes, View live data, Log live statistics, Log freeze frame data, Store DTCs on server, Bluetooth and WiFi support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UK | $1.99 | one-time |


### ClockSync Pro

[App page](https://appshunter.io/ios/app/clocksync-pro/id6814334818)

**In-app purchases:** none


## Frequently asked questions

### Is OBDII Scanner ELM327 OBD2 free?

OBDII Scanner ELM327 OBD2 is free to download, with in-app purchases available.

### Is ClockSync Pro free?

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

### Do OBDII Scanner ELM327 OBD2 or ClockSync Pro have ads?

Neither OBDII Scanner ELM327 OBD2 nor ClockSync Pro shows ads.

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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.*