# Advancer AD20 vs CanvassLocal

The clearest difference is update cadence: CanvassLocal at every 3 days against Advancer AD20's monthly. Advancer AD20's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

Advancer AD20 ships an update monthly, CanvassLocal every 3 days. The most recent releases landed on October 23, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Advancer AD20 | CanvassLocal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (64 ratings)](https://appshunter.io/ios/app/advancer-ad20/id6444664990/reviews)** | — |
| Number of ratings | **64** | — |
| Positive reviews | 13.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | — |
| Size | 496 MB | 33 MB |
| Requires iOS | **12.0** | 15.1 |
| 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) | [John Edwards](https://appshunter.io/developer/6780629887) |

## 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

**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


### CanvassLocal

[App page](https://appshunter.io/ios/app/canvasslocal/id6780629885)

**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 CanvassLocal free?

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

### Do Advancer AD20 or CanvassLocal have ads?

Neither Advancer AD20 nor CanvassLocal shows ads.

### Which is updated more often, Advancer AD20 or CanvassLocal?

Advancer AD20 ships an update monthly, and CanvassLocal every 3 days. Most recently, Advancer AD20 was updated on October 23, 2026 and CanvassLocal on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*