# Advancer AD20 vs OBD Home

The clearest difference is rating: OBD Home at 2.9 against Advancer AD20's 2.4. OBD Home also leads on review sentiment (32% vs 14%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OBD Home holds the better App Store score, 2.9 against 2.4. Both are backed by a comparable volume of ratings — 65 and 51 respectively. Written reviews point the same way: 14% of Advancer AD20's written reviews are positive against 32% of OBD Home's.

Advancer AD20 ships an update monthly, OBD Home every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Advancer AD20 | OBD Home |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (65 ratings)](https://appshunter.io/ios/app/advancer-ad20/id6444664990/reviews) | **[2.9 (51 ratings)](https://appshunter.io/ios/app/obd-home/id6478903325/reviews)** |
| Number of ratings | **65** | 51 |
| Positive reviews | 13.9% of reviews | **31.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 533 MB | 84 MB |
| Requires iOS | 13.0 | 13 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [深圳市云伽未来智能技术有限公司](https://appshunter.io/developer/1638728786) | [Shenzhen Chaoyue Technology Development Co.,Ltd](https://appshunter.io/developer/1223781320) |

## What reviewers say

### Advancer AD20

[App page](https://appshunter.io/ios/app/advancer-ad20/id6444664990)

This app connects to a smart OBD dongle to provide vehicle health checks, diagnosis, and real-time monitoring. It helps identify fault codes, analyze driving habits, and offers maintenance reminders for enhanced driving safety.

**Highlights:** OBD-II Diagnosis, In-depth system check, Live vehicle data monitoring, Maintenance light reset, Trip recorder, Driving habits analysis

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy installation and pairing
- 👍 Straightforward iPad pairing
- 👍 Full diagnostic capabilities
- 👍 Satisfied with results
- 👍 Works as expected for some users

**What reviewers complain about**

- 🐛 Cannot connect to device
- 🐛 Scanner tied to another account
- 🐛 Required account creation
- 🐛 Invalid email for account creation
- 🐛 Does not connect to specific car models

**Reported bugs**

- Cannot connect to scanner
- Scanner tied to another account
- Account creation issues (invalid email)
- Device stops working after registration
- Login timeouts

**Requested features**

- Add more languages, including Chinese
- Improve information availability for various car models
- Fix issues with iOS updates
- Improve app layout and navigation
- Increase text size and contrast


### OBD Home

[App page](https://appshunter.io/ios/app/obd-home/id6478903325)

This application connects to your vehicle via Bluetooth to provide diagnostic and monitoring functions. It allows for fault code reading and clearing, performance testing, and travel analysis, offering a comprehensive view of your car's health and driving habits.

**Highlights:** Fault code reading and clearing, Instrument panel monitoring, Performance testing, Travel analysis, Bluetooth 4.0/5.0 support, High-speed data transmission

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

**In-app purchases:** none


## Frequently asked questions

### Is Advancer AD20 free?

Advancer AD20 is free to download, with no in-app purchases.

### Is OBD Home free?

OBD Home is free to download, with no in-app purchases.

### Which has better reviews, Advancer AD20 or OBD Home?

OBD Home is rated higher. Advancer AD20 averages 2.4 out of 5 from 65 ratings, while OBD Home averages 2.9 from 51 ratings.

### Do Advancer AD20 or OBD Home have ads?

Neither Advancer AD20 nor OBD Home shows ads.

### Which is updated more often, Advancer AD20 or OBD Home?

Advancer AD20 ships an update monthly, and OBD Home every 3 weeks. Most recently, Advancer AD20 was updated on November 3, 2026 and OBD Home on November 4, 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.*