# Smart Screens vs eCall C

The clearest difference is update cadence: Smart Screens at weekly against eCall C's every 3 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.

Smart Screens ships an update weekly, eCall C every 3 months. The most recent releases landed on October 5, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Smart Screens | eCall C |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Size | 38 MB | 34 MB |
| Requires iOS | **11.2** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [BAB TECHNOLOGIE GmbH](https://appshunter.io/developer/911817892) | [Otis High Rise Elevator (Shanghai) Co.,Ltd.](https://appshunter.io/developer/1404205720) |

## What reviewers say

### Smart Screens

[App page](https://appshunter.io/ios/app/smart-screens/id1446574176)

**Features:** macOS Compatibility

**In-app purchases:** none


### eCall C

[App page](https://appshunter.io/ios/app/ecall-c/id6460589258)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart Screens free?

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

### Is eCall C free?

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

### Do Smart Screens or eCall C have ads?

Neither Smart Screens nor eCall C shows ads.

### Which is updated more often, Smart Screens or eCall C?

Smart Screens ships an update weekly, and eCall C every 3 months. Most recently, Smart Screens was updated on October 5, 2026 and eCall C 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.*