# 最牛计算器 vs EcarPTT

The clearest difference is update cadence: 最牛计算器 at every 10 months against EcarPTT's every 32 months. 最牛计算器 also leads on iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

最牛计算器 ships an update every 10 months, EcarPTT every 32 months. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 最牛计算器 | EcarPTT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (15 ratings)](https://appshunter.io/ios/app/calculator/id1161975388/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 32 months |
| Monetization | Free | — |
| Size | 24 MB | 40 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [继红 王](https://appshunter.io/developer/1017182979) | [IENTC S. de R.L. de C.V.](https://appshunter.io/developer/1361980579) |

## 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


### EcarPTT

[App page](https://appshunter.io/ios/app/ecarptt/id1457317339)

**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 EcarPTT free?

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

### Do 最牛计算器 or EcarPTT have ads?

Neither 最牛计算器 nor EcarPTT shows ads.

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

最牛计算器 ships an update every 10 months, and EcarPTT every 32 months. Most recently, 最牛计算器 was updated on October 8, 2026 and EcarPTT on October 10, 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.*