# SControl vs Author BT Update

The clearest difference is update cadence: Author BT Update at monthly against SControl's every 20 months. SControl's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SControl ships an update every 20 months, Author BT Update monthly. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SControl | Author BT Update |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Monthly** |
| Size | 14 MB | 4 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SMART WORKPLACE SYSTEM PTE LTD](https://appshunter.io/developer/1373260735) | [AUTHOR-ALARM](https://appshunter.io/developer/1344731145) |

## What reviewers say

### SControl

[App page](https://appshunter.io/ios/app/scontrol/id1373260736)

**Features:** macOS Compatibility

**In-app purchases:** none


### Author BT Update

[App page](https://appshunter.io/ios/app/author-bt-update/id6475983875)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SControl free?

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

### Is Author BT Update free?

Author BT Update is free to download, with no in-app purchases.

### Do SControl or Author BT Update have ads?

Neither SControl nor Author BT Update shows ads.

### Which is updated more often, SControl or Author BT Update?

SControl ships an update every 20 months, and Author BT Update monthly. Most recently, SControl was updated on October 3, 2026 and Author BT Update on October 10, 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.*