# Alpha Smart Control Unit vs Yarn

The clearest difference is in-app purchases: Alpha Smart Control Unit at none against Yarn's 2. Alpha Smart Control Unit also leads on ads (none vs shown) and iOS requirement (8.0 vs 13.0). Yarn's advantage is update cadence (every 3 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Yarn sells 2 in-app purchases, starting at $3.99 per month. Alpha Smart Control Unit asks for nothing beyond the download.

Alpha Smart Control Unit ships an update every 2 months, Yarn every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Alpha Smart Control Unit | Yarn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (34 ratings)](https://appshunter.io/ios/app/yarn-ask-to-understand/id6446889441/reviews)** |
| Number of ratings | — | **34** |
| Positive reviews | — | 84.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 31 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Teranovo](https://appshunter.io/developer/1250774924) | [Nimish Gounder](https://appshunter.io/developer/1679532939) |

## What reviewers say

### Alpha Smart Control Unit

[App page](https://appshunter.io/ios/app/alpha-smart-control-unit/id1081722956)

**Features:** macOS Compatibility

**In-app purchases:** none


### Yarn

[App page](https://appshunter.io/ios/app/yarn-ask-to-understand/id6446889441)

Facilitate deep and meaningful conversations with a variety of question prompts. Connect with friends, family, or a date on a deeper level, moving beyond surface-level chat. Designed for authentic interactions in a comfortable, engaging environment.

**Highlights:** Curated question prompts, Multiple conversation categories, Facilitates deep connections, Engaging user interface, Reduces social awkwardness

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Annually Subscription | $49.99 | per year |


## Frequently asked questions

### Is Alpha Smart Control Unit free?

Alpha Smart Control Unit is free to download, with no in-app purchases.

### Is Yarn free?

Yarn is free to download, with in-app purchases available.

### Do Alpha Smart Control Unit or Yarn have ads?

Yarn shows ads; Alpha Smart Control Unit does not.

### Which is updated more often, Alpha Smart Control Unit or Yarn?

Alpha Smart Control Unit ships an update every 2 months, and Yarn every 3 weeks. Most recently, Alpha Smart Control Unit was updated on November 2, 2026 and Yarn on November 3, 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.*