# Y+ Calculator vs Dquarters

The clearest difference is device support: Y+ Calculator at 3 against Dquarters's 1. Y+ Calculator also leads on iOS requirement (9.0 vs 17.0). 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.

Y+ Calculator ships an update every 8 months, Dquarters every 5 months. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Y+ Calculator | Dquarters |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/y-plus-calculator/id650011524/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 18 MB | 29 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cadence Design Systems, Inc.](https://appshunter.io/developer/1318385448) | [Dquarters](https://appshunter.io/developer/1609620091) |

## What reviewers say

### Y+ Calculator

[App page](https://appshunter.io/ios/app/y-plus-calculator/id650011524)

This app calculates the necessary grid spacing for computational fluid dynamics (CFD) simulations. It helps engineers determine near-wall cell height for accurate viscous flow computations. Supports both SI and Imperial units.

**Highlights:** Calculate grid spacing for target y+ values, Supports viscous CFD computations, Works in SI or Imperial units, Resets to sea-level conditions, Based on established fluid mechanics theory

**Features:** macOS Compatibility

**In-app purchases:** none


### Dquarters

[App page](https://appshunter.io/ios/app/dquarters/id1609620089)

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

**In-app purchases:** none


## Frequently asked questions

### Is Y+ Calculator free?

Y+ Calculator is free to download, with no in-app purchases.

### Is Dquarters free?

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

### Do Y+ Calculator or Dquarters have ads?

Neither Y+ Calculator nor Dquarters shows ads.

### Which is updated more often, Y+ Calculator or Dquarters?

Y+ Calculator ships an update every 8 months, and Dquarters every 5 months. Most recently, Y+ Calculator was updated on October 4, 2026 and Dquarters on October 5, 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.*