# 计算器 vs NextCode Authenticator

The clearest difference is ads: NextCode Authenticator at none against 计算器's shown. NextCode Authenticator also leads on update cadence (every 2 weeks vs every 2 months). 计算器's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. 计算器 sells 2 one-off in-app purchases and NextCode Authenticator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

计算器 ships an update every 2 months, NextCode Authenticator every 2 weeks. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | 计算器 | NextCode Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (828 ratings)](https://appshunter.io/ios/app/id1265739545/reviews)** | — |
| Number of ratings | **828** | — |
| Positive reviews | 35.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 110 MB | 3 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [清龙 李](https://appshunter.io/developer/1226266031) | [Zhe Wu](https://appshunter.io/developer/1821356459) |

## What reviewers say

### 计算器

[App page](https://appshunter.io/ios/app/id1265739545)

This comprehensive calculator app offers a wide range of tools, including basic and scientific calculations, currency conversion, loan and tax calculators, and unit conversions. It simplifies complex calculations and conversions with an intuitive interface and voice input support.

**Highlights:** Basic and scientific calculator with voice input, Real-time currency conversion for over 160 countries, Loan calculator for commercial, provident fund, and combined loans, Tax calculator for salary, year-end bonuses, and labor remuneration, Date and unit conversion tools, Number system conversion (binary, octal, decimal, hexadecimal)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 赞助去广告 | $3.99 | one-time |
| 赞助 | $14.99 | one-time |

**What reviewers like**

- 🚀 Efficient and fast
- 💡 Useful features
- 👍 Good user experience

**What reviewers complain about**

- 🐛 Bugs and glitches
- 🔍 Difficult to find ad close buttons
- 🔋 High ad frequency

**Reported bugs**

- Inaccurate real-time exchange rates
- Calculation errors for large numbers
- Sudden disappearance of split mode

**Requested features**

- Add option to disable ads for paid users
- Improve historical calculation record feature
- Add support for traditional Chinese language


### NextCode Authenticator

[App page](https://appshunter.io/ios/app/nextcode-authenticator/id6787331495)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NextCode Premium | $9.99 | one-time |


## Frequently asked questions

### Is 计算器 free?

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

### Is NextCode Authenticator free?

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

### Do 计算器 or NextCode Authenticator have ads?

计算器 shows ads; NextCode Authenticator does not.

### Which is updated more often, 计算器 or NextCode Authenticator?

计算器 ships an update every 2 months, and NextCode Authenticator every 2 weeks. Most recently, 计算器 was updated on November 11, 2026 and NextCode Authenticator on November 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.*