# 最牛计算器 vs Calendar Clock

The clearest difference is review sentiment: 最牛计算器 at 100% against Calendar Clock's 0%. 最牛计算器 also leads on price (Free vs $0.99) and update cadence (every 10 months vs every 41 months). On ads, in-app purchases and device support there is nothing between them.

最牛计算器 is free to download; Calendar Clock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

最牛计算器 ships an update every 10 months, Calendar Clock every 41 months. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 最牛计算器 | Calendar Clock |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.8 (15 ratings)](https://appshunter.io/ios/app/calculator/id1161975388/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 41 months |
| Monetization | **Free** | Paid |
| Size | 24 MB | 4 MB |
| Requires iOS | **8.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [继红 王](https://appshunter.io/developer/1017182979) | [Systemiko Inc.](https://appshunter.io/developer/680630947) |

## What reviewers say

### 最牛计算器

[App page](https://appshunter.io/ios/app/calculator/id1161975388)

This utility app offers a comprehensive set of basic and scientific calculation functions. It includes operations like addition, subtraction, multiplication, division, percentages, square roots, and decimal handling. The interface is designed for quick and easy use with a clear layout.

**Highlights:** Basic arithmetic operations, Percentage calculations, Square root function, Decimal point handling, Clear and delete functions, Mute switch

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

**In-app purchases:** none


### Calendar Clock

[App page](https://appshunter.io/ios/app/calendar-clock/id1451445740)

This app displays the current year, month, week, and time on a single screen with a clean design. It offers customizable theme colors and functions as a desk clock. The app disables device sleep mode while active.

**Highlights:** All-in-one screen display, Year, month, week, day, hour, minute, second, Switchable theme colors (dark, light, green, blue), Disables device sleep mode, Acts as a desk clock

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 最牛计算器 free?

最牛计算器 is free to download, with no in-app purchases.

### Is Calendar Clock free?

Calendar Clock costs $0.99, with no in-app purchases.

### Do 最牛计算器 or Calendar Clock have ads?

Neither 最牛计算器 nor Calendar Clock shows ads.

### Which is updated more often, 最牛计算器 or Calendar Clock?

最牛计算器 ships an update every 10 months, and Calendar Clock every 41 months. Most recently, 最牛计算器 was updated on October 8, 2026 and Calendar Clock on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*