# Advancer AD20 vs Abo Calculator

The clearest difference is update cadence: Advancer AD20 at monthly against Abo Calculator's every 26 months. Advancer AD20 also leads on iOS requirement (12.0 vs 17.2). 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, Abo Calculator every 26 months. The most recent releases landed on October 23, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Advancer AD20 | Abo Calculator |
| --- | --- | --- |
| 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 26 months |
| Monetization | Free | — |
| Size | 496 MB | 3 MB |
| Requires iOS | **12.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| 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) | [Daniel Palma](https://appshunter.io/developer/1717035273) |

## 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


### Abo Calculator

[App page](https://appshunter.io/ios/app/abo-calculator/id6478010582)

**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 Abo Calculator free?

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

### Do Advancer AD20 or Abo Calculator have ads?

Neither Advancer AD20 nor Abo Calculator shows ads.

### Which is updated more often, Advancer AD20 or Abo Calculator?

Advancer AD20 ships an update monthly, and Abo Calculator every 26 months. Most recently, Advancer AD20 was updated on October 23, 2026 and Abo Calculator on October 8, 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.*