# 计算器 vs Firefly

The clearest difference is ads: Firefly at none against 计算器's shown. Firefly also leads on update cadence (fortnightly vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 计算器 sells 2 one-off in-app purchases and Firefly sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

计算器 ships an update every 2 months, Firefly fortnightly. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 计算器 | Firefly |
| --- | --- | --- |
| 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 | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 110 MB | 172 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [清龙 李](https://appshunter.io/developer/1226266031) | [tangwenshengshicolimited](https://appshunter.io/developer/1784230840) |

## 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


### Firefly

[App page](https://appshunter.io/ios/app/firefly/id6751474833)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 新用户体验 | $1.99 | per 7 days |
| 月付会员 | $3.99 | per month |
| 年付会员 | $14.99 | per year |


## Frequently asked questions

### Is 计算器 free?

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

### Is Firefly free?

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

### Do 计算器 or Firefly have ads?

计算器 shows ads; Firefly does not.

### Which is updated more often, 计算器 or Firefly?

计算器 ships an update every 2 months, and Firefly fortnightly. Most recently, 计算器 was updated on October 24, 2026 and Firefly on October 13, 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.*