# Calculator H vs Simmerix

The clearest difference is in-app purchases: Simmerix at none against Calculator H's 5. Simmerix also leads on update cadence (daily vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Calculator H sells 3 in-app purchases, starting at $2.99 per year. Simmerix asks for nothing beyond the download.

Calculator H ships an update weekly, Simmerix daily. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Calculator H | Simmerix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (28 ratings)](https://appshunter.io/ios/app/calculator-h/id6760459201/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Free | — |
| Size | 47 MB | 88 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Cold Technology Co., Ltd](https://appshunter.io/developer/1873882906) | [Duran Veysel KALE](https://appshunter.io/developer/6778686914) |

## What reviewers say

### Calculator H

[App page](https://appshunter.io/ios/app/calculator-h/id6760459201)

This app offers a robust calculator with history and editable equations. It includes specialized calculators for mortgage calculations, interest rates, and currency conversions with real-time updates.

**Highlights:** Editable calculation history, Mortgage calculator (fixed, LPR, provident fund), Interest rate comparison, Currency converter with real-time rates, Save and compare mortgage data

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一年会员 | $2.99 | per year |
| 打赏 | $0.99 | one-time |
| 打赏 | $1.99 | one-time |


### Simmerix

[App page](https://appshunter.io/ios/app/simmerix/id6778686912)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator H free?

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

### Is Simmerix free?

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

### Do Calculator H or Simmerix have ads?

Neither Calculator H nor Simmerix shows ads.

### Which is updated more often, Calculator H or Simmerix?

Calculator H ships an update weekly, and Simmerix daily. Most recently, Calculator H was updated on October 25, 2026 and Simmerix on October 28, 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.*