# Duochang vs 麻将运势测算

The clearest difference is in-app purchases: Duochang at none against 麻将运势测算's 6. Duochang also leads on iOS requirement (10.0 vs 13.0). 麻将运势测算's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. 麻将运势测算 sells 6 in-app purchases, starting at $2.99 per month. Duochang asks for nothing beyond the download.

Duochang ships an update every 3 months, 麻将运势测算 every 2 weeks. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Duochang | 麻将运势测算 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (6 ratings)](https://appshunter.io/ios/app/duochang/id1481190850/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 50 MB | 99 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fujian Star-net eVideo Information Systems Co.,Ltd.](https://appshunter.io/developer/462036507) | [UP DEVLABS PTE. LTD.](https://appshunter.io/developer/1613901725) |

## What reviewers say

### Duochang

[App page](https://appshunter.io/ios/app/duochang/id1481190850)

This app simplifies singing by allowing easy searching of songs by artist, title, or playlist. Users can control playback, volume, and song selection directly from their device, making the karaoke experience more convenient.

**Highlights:** Search by singer, song title, or playlist, Convenient song selection, Playback controls (pause, play, skip), Volume adjustment, Simple operation

**Features:** macOS Compatibility

**In-app purchases:** none


### 麻将运势测算

[App page](https://appshunter.io/ios/app/id6745542083)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续月贡 | $2.99 | per month |
| 连续季贡 | $7.99 | per 3 months |
| 连续年贡 | $29.99 | per year |
| 月贡 | $3.99 | one-time |
| 季贡 | $9.99 | one-time |
| 年贡 | $34.99 | one-time |


## Frequently asked questions

### Is Duochang free?

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

### Is 麻将运势测算 free?

麻将运势测算 is free to download, with in-app purchases available.

### Do Duochang or 麻将运势测算 have ads?

Neither Duochang nor 麻将运势测算 shows ads.

### Which is updated more often, Duochang or 麻将运势测算?

Duochang ships an update every 3 months, and 麻将运势测算 every 2 weeks. Most recently, Duochang was updated on October 17, 2026 and 麻将运势测算 on October 25, 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.*