# Shoulder vs Constructrol

The clearest difference is iOS requirement: Constructrol at 15.1 against Shoulder's 18.0. On price, update cadence, 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.

Shoulder ships an update every 11 days, Constructrol weekly. The most recent releases landed on October 31, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Shoulder | Constructrol |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Weekly** |
| Size | 6 MB | 33 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Brad Coughlin](https://appshunter.io/developer/1884094688) | [Hemerson Silva](https://appshunter.io/developer/6788800824) |

## What reviewers say

### Shoulder

[App page](https://appshunter.io/ios/app/shoulder-screen-to-ai/id6786434876)

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

**In-app purchases:** none


### Constructrol

[App page](https://appshunter.io/ios/app/constructrol/id6788800822)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shoulder free?

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

### Is Constructrol free?

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

### Do Shoulder or Constructrol have ads?

Neither Shoulder nor Constructrol shows ads.

### Which is updated more often, Shoulder or Constructrol?

Shoulder ships an update every 11 days, and Constructrol weekly. Most recently, Shoulder was updated on October 31, 2026 and Constructrol on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*