# OBD2 Scanner | OBD Auto Doctor vs TeCar

The clearest difference is rating: OBD2 Scanner | OBD Auto Doctor at 4.4 against TeCar's 2.0. OBD2 Scanner | OBD Auto Doctor also leads on review sentiment (30% vs 4%) and ratings volume (6.2K vs 4). TeCar's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and monetization model 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 and TeCar sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

OBD2 Scanner | OBD Auto Doctor holds the better App Store score, 4.4 against 2.0. 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. Written reviews point the same way: 30% of OBD2 Scanner | OBD Auto Doctor's written reviews are positive against 4% of TeCar's.

OBD2 Scanner | OBD Auto Doctor ships an update every 3 weeks, TeCar every 2 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | OBD2 Scanner | OBD Auto Doctor | TeCar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (6.2K ratings)](https://appshunter.io/ios/app/obd2-scanner-obd-auto-doctor/id908897183/reviews)** | [2.0 (4 ratings)](https://appshunter.io/ios/app/tecar/id1467162467/reviews) |
| Number of ratings | **6.2K** | 4 |
| Positive reviews | **30.3% of reviews** | 4.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Freemium | Free with in-app purchases |
| Size | 19 MB | 143 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Creosys](https://appshunter.io/developer/908897186) | [ROADMASTER INTERNATIONAL TRADING L.L.C](https://appshunter.io/developer/1426268861) |

## What reviewers say

### OBD2 Scanner | OBD Auto Doctor

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

Transform your iPhone into a car diagnostic tool. Read and clear engine trouble codes, monitor live engine data, and check emissions readiness with a compatible OBD2 dongle.

**Highlights:** Read and clear diagnostic trouble codes (DTCs), Monitor live engine data, Check emissions readiness, View freeze-frame data, Create custom sensor dashboards, Works with compatible OBD2 dongles

**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


### TeCar

[App page](https://appshunter.io/ios/app/tecar/id1467162467)

This service transforms vehicles into smart cars with a plug-and-play device for enhanced maintenance and fleet management. It offers affordable solutions to optimize time and cost for the automotive industry.

**Highlights:** Vehicle maintenance tracking, Smart vehicle conversion, Fleet management, Real-time monitoring, OBDII device integration, Cost and time optimization

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 GB Subscription | $1.99 | per month |
| 10 GB Subscription | $2.99 | per month |
| 50 GB Subscription | $14.99 | per month |
| 100 GB Subscription | $25.99 | per month |


## 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 TeCar free?

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

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

OBD2 Scanner | OBD Auto Doctor is rated higher. OBD2 Scanner | OBD Auto Doctor averages 4.4 out of 5 from 6.2K ratings, while TeCar averages 2.0 from 4 ratings.

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

Neither OBD2 Scanner | OBD Auto Doctor nor TeCar shows ads.

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

OBD2 Scanner | OBD Auto Doctor ships an update every 3 weeks, and TeCar every 2 months. Most recently, OBD2 Scanner | OBD Auto Doctor was updated on November 6, 2026 and TeCar on November 6, 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.*