# BAS2 RRC vs Diagnose AI

The clearest difference is in-app purchases: BAS2 RRC at none against Diagnose AI's 2. BAS2 RRC also leads on iOS requirement (9.0 vs 15.0). Diagnose AI's advantage is update cadence (every 4 months vs every 47 months). On price, ads and device support there is nothing between them.

Both are free to download. Diagnose AI sells 2 in-app purchases, starting at $2.99 per month. BAS2 RRC asks for nothing beyond the download.

BAS2 RRC ships an update every 47 months, Diagnose AI every 4 months. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | BAS2 RRC | Diagnose AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/diagnose-ai/id6773086171/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 47 months | **Every 4 months** |
| Monetization | **Free** | Freemium |
| Size | 25 MB | 44 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bell Auto Services Ltd](https://appshunter.io/developer/791753350) | [Shivansh Chhhabra](https://appshunter.io/developer/6773086173) |

## What reviewers say

### 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


### Diagnose AI

[App page](https://appshunter.io/ios/app/diagnose-ai/id6773086171)

This app transforms your phone into an automotive health assistant. It connects to your car's OBD-II system via Bluetooth to translate fault codes into plain English, offering AI-powered diagnostics and DIY action plans. Manage multiple vehicles and review scan history for informed repairs.

**Highlights:** AI-powered plain-English diagnostics, One-tap Bluetooth OBD-II scanning, DIY action plans and guidance, Multi-vehicle garage management, Full scan history, Premium dark automotive interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is BAS2 RRC free?

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

### Is Diagnose AI free?

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

### Do BAS2 RRC or Diagnose AI have ads?

Neither BAS2 RRC nor Diagnose AI shows ads.

### Which is updated more often, BAS2 RRC or Diagnose AI?

BAS2 RRC ships an update every 47 months, and Diagnose AI every 4 months. Most recently, BAS2 RRC was updated on November 1, 2026 and Diagnose AI on October 31, 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.*