# OBD2 Scanner vs TPMS LINK

The clearest difference is in-app purchases: TPMS LINK at none against OBD2 Scanner's 6. TPMS LINK also leads on ads (none vs shown) and update cadence (every 2 weeks vs monthly). On price and device support there is nothing between them.

Both are free to download. OBD2 Scanner sells 6 in-app purchases, starting at $6.99 per 7 days. TPMS LINK asks for nothing beyond the download.

OBD2 Scanner ships an update monthly, TPMS LINK every 2 weeks. The most recent releases landed on October 27, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | OBD2 Scanner | TPMS LINK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/obd2-scanner-torque-elm-327/id6477899127/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 22.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 102 MB | 146 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Phong Pham](https://appshunter.io/developer/1731047500) | [祖策 谢](https://appshunter.io/developer/983519195) |

## What reviewers say

### OBD2 Scanner

[App page](https://appshunter.io/ios/app/obd2-scanner-torque-elm-327/id6477899127)

Transform your smartphone into a powerful car diagnostic tool. Monitor real-time engine data, read and clear trouble codes, and track your vehicle's performance. Customize your dashboard and access repair manuals to understand and fix issues.

**Highlights:** Real-time engine data monitoring, Read and clear trouble codes, Performance tracking, Customizable dashboards, Repair manual database, Compatibility with OBD2 ELM327 adapters

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium weeky freetrial | $6.99 | per 7 days |
| Premium Weekly | $7.99 | per 7 days |
| Premium Monthly | $14.99 | per month |
| Premium Monthly | $17.99 | per month |
| Premium Yearly | $59.99 | per year |
| Lifetime Premium | $69.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use setup
- ✅ Works well for some vehicle models
- ⭐ Useful for basic OBD2 scanning

**What reviewers complain about**

- 💰 Expensive pricing for limited functionality
- 🐛 Bluetooth connection drops frequently
- ❌ Poor compatibility with many vehicle models
- 📱 Deceptive UI with hidden exit menus
- 🔒 Security concerns and unauthorized charges

**Reported bugs**

- Bluetooth connection drops and requires reboot
- App fails to connect to OBD2 devices
- Sensors display N/A values in paid version
- Cannot select vehicle profile
- App crashes or becomes unresponsive

**Requested features**

- Oil temperature and transmission data
- Wheel sensor information
- Pending DTC display
- Permanent check engine light clearing
- Module-specific scanning selection


### TPMS LINK

[App page](https://appshunter.io/ios/app/tpms-link/id6749755655)

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

**In-app purchases:** none


## Frequently asked questions

### Is OBD2 Scanner free?

OBD2 Scanner is free to download, with in-app purchases available.

### Is TPMS LINK free?

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

### Do OBD2 Scanner or TPMS LINK have ads?

OBD2 Scanner shows ads; TPMS LINK does not.

### Which is updated more often, OBD2 Scanner or TPMS LINK?

OBD2 Scanner ships an update monthly, and TPMS LINK every 2 weeks. Most recently, OBD2 Scanner was updated on October 27, 2026 and TPMS LINK on October 7, 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.*