# OBD2 Scanner | OBD Auto Doctor vs Live Spec

The clearest difference is price: OBD2 Scanner | OBD Auto Doctor at Free against Live Spec's $9.99. OBD2 Scanner | OBD Auto Doctor also leads on rating (4.4 vs 3.9) and review sentiment (30% vs 0%). Live Spec's advantage is in-app purchases (none vs 9) and iOS requirement (10.0 vs 17.0). On update cadence, ads and device support there is nothing between them.

OBD2 Scanner | OBD Auto Doctor is free to download; Live Spec costs $9.99 up front. OBD2 Scanner | OBD Auto Doctor sells 9 in-app purchases, starting at $4.99 per month. Live Spec asks for nothing beyond the download.

OBD2 Scanner | OBD Auto Doctor holds the better App Store score, 4.4 against 3.9. That said, the two scores are not equally well evidenced: OBD2 Scanner | OBD Auto Doctor has 6.2K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 30% of OBD2 Scanner | OBD Auto Doctor's written reviews are positive against 0% of Live Spec's.

OBD2 Scanner | OBD Auto Doctor ships an update every 3 weeks, Live Spec monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | OBD2 Scanner | OBD Auto Doctor | Live Spec |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.4 (6.2K ratings)](https://appshunter.io/ios/app/obd2-scanner-obd-auto-doctor/id908897183/reviews)** | [3.9 (8 ratings)](https://appshunter.io/ios/app/live-spec/id1546303457/reviews) |
| Number of ratings | **6.2K** | 8 |
| Positive reviews | **30.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 19 MB | 10 MB |
| Requires iOS | 17.0 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Creosys](https://appshunter.io/developer/908897186) | [Alphabit Software Inc.](https://appshunter.io/developer/702178534) |

## 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


### Live Spec

[App page](https://appshunter.io/ios/app/live-spec/id1546303457)

Transform your phone into a real-time car performance tracker and diagnostic tool. Monitor vital sensors, troubleshoot engine codes, and track fuel economy to save money. Features include customizable gauges, graphing, and race track data analysis.

**Highlights:** Real-time sensor tracking, Read and clear trouble codes, Fuel economy tracking, Customizable gauges and graphs, Race track data analysis, Speed limit warnings, HUD mode for night driving

**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 Live Spec free?

Live Spec costs $9.99, with no in-app purchases.

### Which has better reviews, OBD2 Scanner | OBD Auto Doctor or Live Spec?

OBD2 Scanner | OBD Auto Doctor is rated higher. OBD2 Scanner | OBD Auto Doctor averages 4.4 out of 5 from 6.2K ratings, while Live Spec averages 3.9 from 8 ratings.

### Do OBD2 Scanner | OBD Auto Doctor or Live Spec have ads?

Neither OBD2 Scanner | OBD Auto Doctor nor Live Spec shows ads.

### Which is updated more often, OBD2 Scanner | OBD Auto Doctor or Live Spec?

OBD2 Scanner | OBD Auto Doctor ships an update every 3 weeks, and Live Spec monthly. Most recently, OBD2 Scanner | OBD Auto Doctor was updated on October 24, 2026 and Live Spec on October 24, 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.*