# Xtool FleX vs OBD2 Scanner ELM327

The clearest difference is rating: Xtool FleX at 5.0 against OBD2 Scanner ELM327's 4.3. Xtool FleX also leads on in-app purchases (none vs 24) and iOS requirement (8.0 vs 12.0). OBD2 Scanner ELM327's advantage is ratings volume (25 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. OBD2 Scanner ELM327 sells 23 in-app purchases, starting at $4.99 per year. Xtool FleX asks for nothing beyond the download.

Xtool FleX holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: OBD2 Scanner ELM327 has 25 ratings behind it against 1, so its average is the more settled of the two.

Xtool FleX ships an update every 5 weeks, OBD2 Scanner ELM327 every 3 weeks. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Xtool FleX | OBD2 Scanner ELM327 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/xtool-flex/id1469679560/reviews)** | [4.3 (25 ratings)](https://appshunter.io/ios/app/obd2-scanner-elm327-garagepro/id1488423694/reviews) |
| Number of ratings | 1 | **25** |
| Positive reviews | — | 46.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 500 MB | 65 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [翔宇 金](https://appshunter.io/developer/528881861) | [Zymbia Interactive Technologies Private Limited](https://appshunter.io/developer/1488423693) |

## What reviewers say

### Xtool FleX

[App page](https://appshunter.io/ios/app/xtool-flex/id1469679560)

This diagnostic system connects to your iPhone or iPad to provide comprehensive vehicle coverage and full system diagnosis. It offers various special functions and features a small, portable design with a Bluetooth wireless connection.

**Highlights:** Comprehensive vehicle coverage, Full system diagnosis, Special functions, Portable design, Bluetooth wireless connection

**Features:** macOS Compatibility

**In-app purchases:** none


### OBD2 Scanner ELM327

[App page](https://appshunter.io/ios/app/obd2-scanner-elm327-garagepro/id1488423694)

This app provides comprehensive OBD scanning for vehicles, allowing users to read and clear fault codes from various ECUs, monitor live sensor data, and perform special functions like DPF regeneration and injector coding. It supports over 100 vehicle makes and offers detailed reports and diagnostic assistance.

**Highlights:** Read and delete fault codes from any ECU, Monitor over 200 live sensor data points, Perform special OBD functions, Generate shareable PDF diagnostic reports, Check SMOG status for emission tests, Reset service/oil lights, Track 0-60 and 0-100 timing

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

**In-app purchases (23)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Scan Summary (Yearly) | $4.99 | per year |
| Standard - Yearly | $9.49 | per year |
| Personal Plan | $9.99 | per year |
| Lite - Yearly | $9.99 | per year |
| Standard - Yearly | $19.99 | per year |
| Advanced - Yearly | $23.99 | per year |
| Advanced + AI Summary - Yearly | $28.99 | per year |
| Premium - Yearly | $32.99 | per year |
| Standard - Yearly | $34.99 | per year |
| Advanced - Yearly | $71.99 | per year |
| Advanced - Yearly | $99.99 | per year |
| Lite - Perpetual | $17.99 | one-time |
| Lite - Perpetual | $21.99 | one-time |
| Standard - Perpetual | $34.99 | one-time |
| Standard - Perpetual | $37.99 | one-time |
| Standard - Perpetual | $54.99 | one-time |
| Lifetime Subsciption | $69.99 | one-time |
| Standard - Perpetual | $69.99 | one-time |
| Advanced - Perpetual | $99.99 | one-time |
| Advanced - Perpetual | $109.99 | one-time |
| Advanced - Perpetual | $129.99 | one-time |
| Advanced - Perpetual | $159.99 | one-time |
| Advanced - Perpetual | $199.99 | one-time |

**What reviewers like**

- ✅ Clears trouble codes
- ✅ Scans vehicle quickly
- ✅ Provides real-time data
- ✅ User-friendly interface
- ✅ Saves money on repairs

**What reviewers complain about**

- ❌ App crashes frequently
- ❌ Does not load past splash screen
- ❌ Not responding properly on iPhone
- ❌ Cannot select new vehicle after changing cars
- ❌ Fails to buy subscription

**Reported bugs**

- App stops working
- App does not load past splash screen
- App is not responding properly
- App crashes when trying to buy subscription
- App starts crashing after a few days

**Requested features**

- DPF REGEN feature
- Ability to select new vehicle easily
- Reactivate perpetual license without reinstalling
- List of approved scanner devices
- Support for WiFi adapters on iOS


## Frequently asked questions

### Is Xtool FleX free?

Xtool FleX is free to download, with no in-app purchases.

### Is OBD2 Scanner ELM327 free?

OBD2 Scanner ELM327 is free to download, with in-app purchases available.

### Which has better reviews, Xtool FleX or OBD2 Scanner ELM327?

Xtool FleX is rated higher. Xtool FleX averages 5.0 out of 5 from 1 ratings, while OBD2 Scanner ELM327 averages 4.3 from 25 ratings.

### Do Xtool FleX or OBD2 Scanner ELM327 have ads?

Neither Xtool FleX nor OBD2 Scanner ELM327 shows ads.

### Which is updated more often, Xtool FleX or OBD2 Scanner ELM327?

Xtool FleX ships an update every 5 weeks, and OBD2 Scanner ELM327 every 3 weeks. Most recently, Xtool FleX was updated on October 20, 2026 and OBD2 Scanner ELM327 on October 22, 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.*