# 四谐码计算器 vs 问先生

The clearest difference is price: 问先生 at Free against 四谐码计算器's $94.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

问先生 is free to download; 四谐码计算器 costs $94.99 up front. 四谐码计算器 sells 1 one-off in-app purchase and 问先生 sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

四谐码计算器 ships an update every 2 months, 问先生 every 5 weeks. The most recent releases landed on October 31, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 四谐码计算器 | 问先生 |
| --- | --- | --- |
| Price | $94.99 | **Free** |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/id6448441204/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 7 MB | 45 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [长远 崔](https://appshunter.io/developer/502860495) | [金才 杨](https://appshunter.io/developer/1623331767) |

## What reviewers say

### 四谐码计算器

[App page](https://appshunter.io/ios/app/id505775030)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 四谐码计算器专业版 | $46.99 | one-time |


### 问先生

[App page](https://appshunter.io/ios/app/id6448441204)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 充值128个元宝 | $19.99 | one-time |
| 充值198个元宝 | $29.99 | one-time |
| 充值288个元宝 | $39.99 | one-time |
| 充值398个元宝 | $59.99 | one-time |
| 充值598个元宝 | $89.99 | one-time |
| 充值698个元宝 | $99.99 | one-time |


## Frequently asked questions

### Is 四谐码计算器 free?

四谐码计算器 costs $94.99, and also offers in-app purchases.

### Is 问先生 free?

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

### Do 四谐码计算器 or 问先生 have ads?

Neither 四谐码计算器 nor 问先生 shows ads.

### Which is updated more often, 四谐码计算器 or 问先生?

四谐码计算器 ships an update every 2 months, and 问先生 every 5 weeks. Most recently, 四谐码计算器 was updated on October 31, 2026 and 问先生 on October 21, 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.*