# AIOBD13 vs BAS2 RRC

The clearest difference is review sentiment: BAS2 RRC at 100% against AIOBD13's 50%. AIOBD13's advantage is update cadence (every 2 months vs every 47 months) and iOS requirement (7.0 vs 9.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

AIOBD13 ships an update every 2 months, BAS2 RRC every 47 months. The most recent releases landed on June 1, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | AIOBD13 | BAS2 RRC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/aiobd13/id958457297/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 47 months |
| Monetization | Free | Free |
| Size | 52 MB | 25 MB |
| Requires iOS | **7.0** | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Yunjia Intelligence Technology Co., Ltd.](https://appshunter.io/developer/528881861) | [Bell Auto Services Ltd](https://appshunter.io/developer/791753350) |

## What reviewers say

### AIOBD13

[App page](https://appshunter.io/ios/app/aiobd13/id958457297)

Connects to your vehicle's diagnostic system via Bluetooth to read and log engine data on iOS devices. Monitor your car's performance and driving habits to improve MPG and maintain optimal operation.

**Highlights:** Bluetooth diagnostic system connection, Reads and logs engine data, Monitors vehicle conditions, Improves MPG tracking, Tracks driving habits, Supports OBDII/EOBD compliant vehicles since 1996

**Features:** macOS Compatibility

**In-app purchases:** none


### BAS2 RRC

[App page](https://appshunter.io/ios/app/bas2-rrc/id994176921)

Control an engine diagnostic tool for CAN-based cars. Read and clear fault codes, view live engine data graphically or numerically, and perform ECU service tests. Access ECU information and more through your iPhone or iPad.

**Highlights:** Fault code reading and clearing, Engine live data (numerical/graphical), ECU service tests, ECU information, Bluetooth Smart control

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AIOBD13 free?

AIOBD13 is free to download, with no in-app purchases.

### Is BAS2 RRC free?

BAS2 RRC is free to download, with no in-app purchases.

### Do AIOBD13 or BAS2 RRC have ads?

Neither AIOBD13 nor BAS2 RRC shows ads.

### Which is updated more often, AIOBD13 or BAS2 RRC?

AIOBD13 ships an update every 2 months, and BAS2 RRC every 47 months. Most recently, AIOBD13 was updated on June 1, 2026 and BAS2 RRC on September 19, 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.*