# Sinclair Tech Help vs ERA Control

The clearest difference is update cadence: ERA Control at every 2 days against Sinclair Tech Help's every 2 weeks. ERA Control also leads on iOS requirement (12.0 vs 15.1). 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.

Sinclair Tech Help ships an update every 2 weeks, ERA Control every 2 days. The most recent releases landed on September 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Sinclair Tech Help | ERA Control |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 35 MB | 48 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Avager s.r.o.](https://appshunter.io/developer/913137823) | [Guangdong Mitela Electrical Appliances Technology Co., Ltd.](https://appshunter.io/developer/1536735895) |

## What reviewers say

### Sinclair Tech Help

[App page](https://appshunter.io/ios/app/sinclair-tech-help/id1488791997)

**Features:** macOS Compatibility

**In-app purchases:** none


### ERA Control

[App page](https://appshunter.io/ios/app/era-control/id6756764661)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sinclair Tech Help free?

Sinclair Tech Help is free to download, with no in-app purchases.

### Is ERA Control free?

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

### Do Sinclair Tech Help or ERA Control have ads?

Neither Sinclair Tech Help nor ERA Control shows ads.

### Which is updated more often, Sinclair Tech Help or ERA Control?

Sinclair Tech Help ships an update every 2 weeks, and ERA Control every 2 days. Most recently, Sinclair Tech Help was updated on September 25, 2026 and ERA Control on September 21, 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.*