# Smart Calculator· vs Mattex DWSS

The clearest difference is update cadence: Mattex DWSS at every 9 days against Smart Calculator·'s every 7 months. Mattex DWSS also leads on iOS requirement (12.0 vs 15.0). 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.

Smart Calculator· ships an update every 7 months, Mattex DWSS every 9 days. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Smart Calculator· | Mattex DWSS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smart-calculator/id6480170210/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 4 MB | 39 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [瑞媚 杨](https://appshunter.io/developer/1731046721) | [DBC Software Limited](https://appshunter.io/developer/1566491817) |

## What reviewers say

### Smart Calculator·

[App page](https://appshunter.io/ios/app/smart-calculator/id6480170210)

This app offers a comprehensive suite of mathematical calculation tools, from basic arithmetic to advanced calculus and matrix operations. It also includes unit conversions and saves your calculation history for easy review. Personalize your experience with themes and night mode.

**Highlights:** Comprehensive calculation functions, Advanced mathematical operations, Unit conversion, Calculation history, Personalized themes and night mode

**Features:** macOS Compatibility

**In-app purchases:** none


### Mattex DWSS

[App page](https://appshunter.io/ios/app/mattex-dwss/id6745933321)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart Calculator· free?

Smart Calculator· is free to download, with no in-app purchases.

### Is Mattex DWSS free?

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

### Do Smart Calculator· or Mattex DWSS have ads?

Neither Smart Calculator· nor Mattex DWSS shows ads.

### Which is updated more often, Smart Calculator· or Mattex DWSS?

Smart Calculator· ships an update every 7 months, and Mattex DWSS every 9 days. Most recently, Smart Calculator· was updated on September 20, 2026 and Mattex DWSS on September 10, 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.*