# Calculator vs 泽信云销售

The clearest difference is in-app purchases: 泽信云销售 at none against Calculator's 3. 泽信云销售 also leads on update cadence (daily vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Calculator sells 3 in-app purchases, starting at $3.99 per 7 days. 泽信云销售 asks for nothing beyond the download.

Calculator ships an update every 3 weeks, 泽信云销售 daily. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Calculator | 泽信云销售 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/calculatormath-solver/id6450890807/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 45.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Freemium | — |
| Size | 18 MB | 120 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 17+ |
| Developer | [文婷 冯](https://appshunter.io/developer/1862330871) | [北京泽信融智科技有限公司](https://appshunter.io/developer/966763391) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculatormath-solver/id6450890807)

This app offers a comprehensive suite of calculation tools, including basic, scientific, and currency conversion functions. It also features historical record storage and note-taking capabilities for convenient daily computing.

**Highlights:** Basic calculations, Scientific calculations, Currency conversion, Historical record storage, Note-taking functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zhou Member | $3.99 | per 7 days |
| Monthly membership | $4.99 | per month |
| Annual membership | $14.99 | per year |


### 泽信云销售

[App page](https://appshunter.io/ios/app/id6809652182)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator free?

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

### Is 泽信云销售 free?

泽信云销售 is free to download, with no in-app purchases.

### Do Calculator or 泽信云销售 have ads?

Neither Calculator nor 泽信云销售 shows ads.

### Which is updated more often, Calculator or 泽信云销售?

Calculator ships an update every 3 weeks, and 泽信云销售 daily. Most recently, Calculator was updated on October 30, 2026 and 泽信云销售 on October 29, 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.*