# eCarSharing vs Sync Rentals

The clearest difference is update cadence: Sync Rentals at weekly against eCarSharing's every 3 months. eCarSharing's advantage is iOS requirement (11.0 vs 16.4). 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.

eCarSharing ships an update every 3 months, Sync Rentals weekly. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | eCarSharing | Sync Rentals |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 54 MB | 132 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Brainbox Technology LTD](https://appshunter.io/developer/917669385) | [Sync Technologies S.A.](https://appshunter.io/developer/1551922752) |

## What reviewers say

### eCarSharing

[App page](https://appshunter.io/ios/app/ecarsharing/id1557472994)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sync Rentals

[App page](https://appshunter.io/ios/app/sync-rentals/id6504419741)

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

**In-app purchases:** none


## Frequently asked questions

### Is eCarSharing free?

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

### Is Sync Rentals free?

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

### Do eCarSharing or Sync Rentals have ads?

Neither eCarSharing nor Sync Rentals shows ads.

### Which is updated more often, eCarSharing or Sync Rentals?

eCarSharing ships an update every 3 months, and Sync Rentals weekly. Most recently, eCarSharing was updated on November 7, 2026 and Sync Rentals on November 4, 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.*