# eTaşın eDefter vs Castrol Drivermeter

The clearest difference is update cadence: eTaşın eDefter at every 3 weeks against Castrol Drivermeter's every 7 months. eTaşın eDefter also leads on iOS requirement (13.4 vs 15.6). 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.

eTaşın eDefter ships an update every 3 weeks, Castrol Drivermeter every 7 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | eTaşın eDefter | Castrol Drivermeter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Size | 54 MB | 31 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [ETASIN TEKNOLOJI ANONIM SIRKETI](https://appshunter.io/developer/1721131630) | [Mobiliz Bilgi Ve Iletisim Teknolojileri AS](https://appshunter.io/developer/526407098) |

## What reviewers say

### eTaşın eDefter

[App page](https://appshunter.io/ios/app/etasn-edefter/id6474242096)

**Features:** macOS Compatibility

**In-app purchases:** none


### Castrol Drivermeter

[App page](https://appshunter.io/ios/app/castrol-drivermeter/id6689519303)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is eTaşın eDefter free?

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

### Is Castrol Drivermeter free?

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

### Do eTaşın eDefter or Castrol Drivermeter have ads?

Neither eTaşın eDefter nor Castrol Drivermeter shows ads.

### Which is updated more often, eTaşın eDefter or Castrol Drivermeter?

eTaşın eDefter ships an update every 3 weeks, and Castrol Drivermeter every 7 months. Most recently, eTaşın eDefter was updated on October 27, 2026 and Castrol Drivermeter on October 27, 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.*