# Calculator PanecalST vs PDF转换器

The clearest difference is in-app purchases: Calculator PanecalST at none against PDF转换器's 3. PDF转换器's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF转换器 sells 3 in-app purchases, starting at $3.99 per 7 days. Calculator PanecalST asks for nothing beyond the download.

Calculator PanecalST ships an update every 3 months, PDF转换器 every 2 weeks. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Calculator PanecalST | PDF转换器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (97 ratings)](https://appshunter.io/ios/app/calculator-panecalst/id702821889/reviews)** | — |
| Number of ratings | **97** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 33 MB | 34 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Noriyasu Kutsuzawa](https://appshunter.io/developer/668500806) | [鑫鑫 陈](https://appshunter.io/developer/1647351343) |

## What reviewers say

### Calculator PanecalST

[App page](https://appshunter.io/ios/app/calculator-panecalst/id702821889)

This calculator allows you to view and edit complex formulas with ease. It prevents errors by letting you check entries as you type and reuse past calculations by modifying values. Navigate and edit expressions quickly with a cursor and intuitive controls.

**Highlights:** Edit formulas as you type, Reuse past calculations, Navigate and edit with cursor, Cut, copy, and paste expressions, Time and tax calculations, History of expressions and answers

**Features:** Vision Pro support

**In-app purchases:** none


### PDF转换器

[App page](https://appshunter.io/ios/app/pdf/id1659370888)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pdf转换器周订阅 | $3.99 | per 7 days |
| pdf转换器月订阅 | $12.99 | per month |
| pdf转换器季度订阅 | $19.99 | per 3 months |


## Frequently asked questions

### Is Calculator PanecalST free?

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

### Is PDF转换器 free?

PDF转换器 is free to download, with in-app purchases available.

### Do Calculator PanecalST or PDF转换器 have ads?

Calculator PanecalST shows ads; PDF转换器 does not.

### Which is updated more often, Calculator PanecalST or PDF转换器?

Calculator PanecalST ships an update every 3 months, and PDF转换器 every 2 weeks. Most recently, Calculator PanecalST was updated on October 24, 2026 and PDF转换器 on October 7, 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.*