# Advancer AD20 vs Roonzie

The clearest difference is rating: Roonzie at 5.0 against Advancer AD20's 2.4. Advancer AD20's advantage is ratings volume (65 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Roonzie holds the better App Store score, 5.0 against 2.4. That said, the two scores are not equally well evidenced: Advancer AD20 has 65 ratings behind it against 3, so its average is the more settled of the two.

## The numbers

| Metric | Advancer AD20 | Roonzie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (65 ratings)](https://appshunter.io/ios/app/advancer-ad20/id6444664990/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/roonzie/id6657973712/reviews)** |
| Number of ratings | **65** | 3 |
| Positive reviews | 13.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | Free |
| Size | 533 MB | 22 MB |
| Requires iOS | **13.0** | 13.4 |
| 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) | [Roonzie LLC](https://appshunter.io/developer/1502102845) |

## 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


### Roonzie

[App page](https://appshunter.io/ios/app/roonzie/id6657973712)

Discover unique, indie skincare brands and receive personalized product recommendations directly from them. Break free from mainstream marketing and connect with brands eager to meet your specific skincare needs.

**Highlights:** Discover unique indie skincare brands, Personalized product recommendations, Direct brand communication, Break free from paid influencers, No rush, stress-free experience, Start and stop offers anytime

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Advancer AD20 free?

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

### Is Roonzie free?

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

### Which has better reviews, Advancer AD20 or Roonzie?

Roonzie is rated higher. Advancer AD20 averages 2.4 out of 5 from 65 ratings, while Roonzie averages 5.0 from 3 ratings.

### Do Advancer AD20 or Roonzie have ads?

Neither Advancer AD20 nor Roonzie shows ads.

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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.*