# OBD2 Scanner | OBD Auto Doctor vs LD Mobile(CanDo)

The clearest difference is in-app purchases: LD Mobile(CanDo) at none against OBD2 Scanner | OBD Auto Doctor's 9. LD Mobile(CanDo) also leads on iOS requirement (12.0 vs 17.0). OBD2 Scanner | OBD Auto Doctor's advantage is rating (4.4 vs 4.0) and ratings volume (6.2K vs 4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. OBD2 Scanner | OBD Auto Doctor sells 9 in-app purchases, starting at $4.99 per month. LD Mobile(CanDo) asks for nothing beyond the download.

OBD2 Scanner | OBD Auto Doctor holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: OBD2 Scanner | OBD Auto Doctor has 6.2K ratings behind it against 4, so its average is the more settled of the two.

OBD2 Scanner | OBD Auto Doctor ships an update every 3 weeks, LD Mobile(CanDo) every 4 weeks. The most recent releases landed on November 1, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | OBD2 Scanner | OBD Auto Doctor | LD Mobile(CanDo) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (6.2K ratings)](https://appshunter.io/ios/app/obd2-scanner-obd-auto-doctor/id908897183/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/ld-mobilecando/id1484898701/reviews) |
| Number of ratings | **6.2K** | 4 |
| Positive reviews | 30.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 19 MB | 25 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Creosys](https://appshunter.io/developer/908897186) | [Cando International Inc.](https://appshunter.io/developer/1208370212) |

## What reviewers say

### OBD2 Scanner | OBD Auto Doctor

[App page](https://appshunter.io/ios/app/obd2-scanner-obd-auto-doctor/id908897183)

Diagnose your car's engine light issues and monitor real-time performance data. This app allows you to read and clear diagnostic trouble codes, track fuel consumption, and view sensor data. It's a comprehensive tool for understanding your vehicle's health.

**Highlights:** Read and clear OBD2 diagnostic trouble codes (DTC), Reset Check Engine Light, Monitor real-time vehicle data and sensor readings, Track fuel consumption, Read readiness monitor status for emissions testing, Initiate service routines, Send diagnostic data via email

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly (legacy) | $4.99 | per month |
| Personal, monthly | $4.99 | per month |
| Premium, monthly | $5.99 | per month |
| Professional, monthly | $6.99 | per month |
| Yearly (legacy) | $23.99 | per year |
| Personal, yearly | $23.99 | per year |
| Professional, yearly | $29.99 | per year |
| Premium, annual | $29.99 | per year |
| OBD Auto Doctor Pro (legacy) | $29.99 | one-time |

**What reviewers like**

- 🚀 Works great
- 👍 Easy to use
- 🚀 Accurate diagnostics
- 🚀 Extensive adapter support
- 👍 Helpful for DIY mechanics

**What reviewers complain about**

- 🔒 Requires subscription for full functionality
- 🐛 Connection issues
- 🐛 Inconsistent performance
- 🐛 Doesn't work with all vehicles
- 💰 Expensive subscription

**Reported bugs**

- App crashes on launch
- Fails to detect existing fault codes
- Subscription issues and inability to cancel
- Incompatible with certain OBD2 adapters

**Requested features**

- Add support for more vehicle makes and models
- Improve Bluetooth/WiFi connectivity
- Provide more detailed diagnostic information
- Allow clearing of error codes without subscription
- Add live data dashboards and graphs


### LD Mobile(CanDo)

[App page](https://appshunter.io/ios/app/ld-mobilecando/id1484898701)

This utility app turns your iOS device into a diagnostic tool for light duty trucks. It supports major brands like Ford, Chevy, and Dodge, offering features like code reading, live data graphing, and DPF regeneration.

**Highlights:** Code scanner for light duty trucks, DPF reset and regeneration, Live data with graphing, Access to Engine, Transmission, ABS, SRS modules, Supports Ford, Chevy, Dodge, Toyota, Nissan, Honda

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OBD2 Scanner | OBD Auto Doctor free?

OBD2 Scanner | OBD Auto Doctor is free to download, with in-app purchases available.

### Is LD Mobile(CanDo) free?

LD Mobile(CanDo) is free to download, with no in-app purchases.

### Which has better reviews, OBD2 Scanner | OBD Auto Doctor or LD Mobile(CanDo)?

OBD2 Scanner | OBD Auto Doctor is rated higher. OBD2 Scanner | OBD Auto Doctor averages 4.4 out of 5 from 6.2K ratings, while LD Mobile(CanDo) averages 4.0 from 4 ratings.

### Do OBD2 Scanner | OBD Auto Doctor or LD Mobile(CanDo) have ads?

Neither OBD2 Scanner | OBD Auto Doctor nor LD Mobile(CanDo) shows ads.

### Which is updated more often, OBD2 Scanner | OBD Auto Doctor or LD Mobile(CanDo)?

OBD2 Scanner | OBD Auto Doctor ships an update every 3 weeks, and LD Mobile(CanDo) every 4 weeks. Most recently, OBD2 Scanner | OBD Auto Doctor was updated on November 1, 2026 and LD Mobile(CanDo) on October 15, 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.*