# W/Y expert vs SQQuantum

The clearest difference is price: SQQuantum at Free against W/Y expert's $0.99. SQQuantum also leads on update cadence (every 2 days vs fortnightly). W/Y expert's advantage is chart position (#22 vs unranked) and iOS requirement (15.1 vs 26.2). On ads, in-app purchases and device support there is nothing between them.

SQQuantum is free to download; W/Y expert costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

W/Y expert ships an update fortnightly, SQQuantum every 2 days. The most recent releases landed on September 8, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | W/Y expert | SQQuantum |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Best chart rank | **#22** | — |
| Size | 28 MB | 3 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Gionata Brunel](https://appshunter.io/developer/1627817730) | [Menelaos Malaxianakis](https://appshunter.io/developer/1882200704) |

## What reviewers say

### W/Y expert

[App page](https://appshunter.io/ios/app/wy-expert/id6446455557)

**Currently charting:** #22 Top Paid · Developer Tools (US App Store)

**Features:** macOS Compatibility

**In-app purchases:** none


### SQQuantum

[App page](https://appshunter.io/ios/app/sqquantum/id6760438986)

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

**In-app purchases:** none


## Frequently asked questions

### Is W/Y expert free?

W/Y expert costs $0.99, with no in-app purchases.

### Is SQQuantum free?

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

### Do W/Y expert or SQQuantum have ads?

Neither W/Y expert nor SQQuantum shows ads.

### Which is updated more often, W/Y expert or SQQuantum?

W/Y expert ships an update fortnightly, and SQQuantum every 2 days. Most recently, W/Y expert was updated on September 8, 2026 and SQQuantum on September 26, 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.*