# Calculator PanecalST vs BOSS计时器

The clearest difference is in-app purchases: Calculator PanecalST at none against BOSS计时器's 3. BOSS计时器's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. BOSS计时器 sells 3 in-app purchases, starting at $0.99 per month. Calculator PanecalST asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Calculator PanecalST | BOSS计时器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (98 ratings)](https://appshunter.io/ios/app/calculator-panecalst/id702821889/reviews)** | — |
| Number of ratings | **98** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 33 MB | 4 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Noriyasu Kutsuzawa](https://appshunter.io/developer/668500806) | [Changsha Junren Network Technology Co Ltd](https://appshunter.io/developer/1705381150) |

## 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


### BOSS计时器

[App page](https://appshunter.io/ios/app/boss/id6475070696)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 自动续费月度会员 | $0.99 | per month |
| 自动续费年度订阅 | $2.99 | per year |
| boss计时器永久会员 | $9.99 | one-time |


## Frequently asked questions

### Is Calculator PanecalST free?

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

### Is BOSS计时器 free?

BOSS计时器 is free to download, with in-app purchases available.

### Do Calculator PanecalST or BOSS计时器 have ads?

Calculator PanecalST shows ads; BOSS计时器 does not.

### Which is updated more often, Calculator PanecalST or BOSS计时器?

Calculator PanecalST ships an update every 3 months, and BOSS计时器 every 3 months. Most recently, Calculator PanecalST was updated on November 6, 2026 and BOSS计时器 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.*