# NHSales+ vs Dual

The clearest difference is update cadence: NHSales+ at every 3 weeks against Dual's every 28 months. NHSales+ also leads on iOS requirement (11.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

NHSales+ ships an update every 3 weeks, Dual every 28 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | NHSales+ | Dual |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/nhsales-plus/id1439505355/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 28 months |
| Monetization | Free | — |
| Size | 11 MB | 4 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ROLAND NAIRNSEY](https://appshunter.io/developer/1439505354) | [Chih-Hao Chen](https://appshunter.io/developer/618207820) |

## What reviewers say

### NHSales+

[App page](https://appshunter.io/ios/app/nhsales-plus/id1439505355)

This app helps real estate buyers and sellers quickly calculate mortgage affordability and potential costs. It offers tools to determine how much home a buyer can afford based on payment, or calculate monthly payments based on home price. Advanced options include taxes, insurance, and HOA fees.

**Highlights:** Calculate home affordability from monthly payment, Calculate monthly payment from home price, Simple and advanced calculation options, Include taxes, insurance, and HOA fees, Estimate cost of waiting for interest rate changes, Visualize daily cost differences

**Features:** macOS Compatibility

**In-app purchases:** none


### Dual

[App page](https://appshunter.io/ios/app/dual-calculator/id6479655030)

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

**In-app purchases:** none


## Frequently asked questions

### Is NHSales+ free?

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

### Is Dual free?

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

### Do NHSales+ or Dual have ads?

Neither NHSales+ nor Dual shows ads.

### Which is updated more often, NHSales+ or Dual?

NHSales+ ships an update every 3 weeks, and Dual every 28 months. Most recently, NHSales+ was updated on November 2, 2026 and Dual on November 4, 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.*