# MasterPro Định Vị vs eCA Mechanic

The clearest difference is update cadence: eCA Mechanic at every 6 weeks against MasterPro Định Vị's every 12 months. 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.

MasterPro Định Vị ships an update every 12 months, eCA Mechanic every 6 weeks. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MasterPro Định Vị | eCA Mechanic |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 weeks** |
| Size | 38 MB | 66 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HOSCO VIETNAM JOINT STOCK COMPANY](https://appshunter.io/developer/1301056666) | [eCarAid Joint Stock Company](https://appshunter.io/developer/1557200670) |

## What reviewers say

### MasterPro Định Vị

[App page](https://appshunter.io/ios/app/masterpro-inh-vi/id1662438976)

**Features:** macOS Compatibility

**In-app purchases:** none


### eCA Mechanic

[App page](https://appshunter.io/ios/app/eca-mechanic/id6748024952)

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

**In-app purchases:** none


## Frequently asked questions

### Is MasterPro Định Vị free?

MasterPro Định Vị is free to download, with no in-app purchases.

### Is eCA Mechanic free?

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

### Do MasterPro Định Vị or eCA Mechanic have ads?

Neither MasterPro Định Vị nor eCA Mechanic shows ads.

### Which is updated more often, MasterPro Định Vị or eCA Mechanic?

MasterPro Định Vị ships an update every 12 months, and eCA Mechanic every 6 weeks. Most recently, MasterPro Định Vị was updated on November 7, 2026 and eCA Mechanic on October 30, 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.*