# ETC App vs Sinatec

The clearest difference is update cadence: Sinatec at every 10 days against ETC App's every 3 months. ETC App's advantage is iOS requirement (13.0 vs 17). 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.

ETC App ships an update every 3 months, Sinatec every 10 days. The most recent releases landed on September 11, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | ETC App | Sinatec |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Size | 4 MB | 51 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Autodidact BV](https://appshunter.io/developer/349096100) | [Sinatec Europe](https://appshunter.io/developer/6774486468) |

## What reviewers say

### ETC App

[App page](https://appshunter.io/ios/app/etc-app/id1464144641)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sinatec

[App page](https://appshunter.io/ios/app/sinatec/id6499527202)

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

**In-app purchases:** none


## Frequently asked questions

### Is ETC App free?

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

### Is Sinatec free?

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

### Do ETC App or Sinatec have ads?

Neither ETC App nor Sinatec shows ads.

### Which is updated more often, ETC App or Sinatec?

ETC App ships an update every 3 months, and Sinatec every 10 days. Most recently, ETC App was updated on September 11, 2026 and Sinatec on September 16, 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.*