# 三姑六婆 Pro vs iClass One

The clearest difference is price: iClass One at Free against 三姑六婆 Pro's $1.99. iClass One also leads on update cadence (weekly vs every 13 months). 三姑六婆 Pro's advantage is iOS requirement (15.1 vs 17.5). On ads, in-app purchases and device support there is nothing between them.

iClass One is free to download; 三姑六婆 Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

三姑六婆 Pro ships an update every 13 months, iClass One weekly. The most recent releases landed on September 26, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 三姑六婆 Pro | iClass One |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pro/id982102012/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Weekly** |
| Monetization | Paid | — |
| Size | 20 MB | 47 MB |
| Requires iOS | **15.1** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LessLoop Limited](https://appshunter.io/developer/1079915937) | [IT Wake](https://appshunter.io/developer/534087841) |

## What reviewers say

### 三姑六婆 Pro

[App page](https://appshunter.io/ios/app/pro/id982102012)

This app simplifies calculating complex Chinese kinship terms. Input relationships like a calculator to quickly find the correct way to address relatives. The Pro version offers an ad-free experience and a unique reverse lookup feature.

**Highlights:** Calculate kinship terms, Reverse lookup feature, Ad-free experience, Calculator-style interface, Continuous data updates

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

**In-app purchases:** none


### iClass One

[App page](https://appshunter.io/ios/app/iclass-one/id1666422208)

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

**In-app purchases:** none


## Frequently asked questions

### Is 三姑六婆 Pro free?

三姑六婆 Pro costs $1.99, with no in-app purchases.

### Is iClass One free?

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

### Do 三姑六婆 Pro or iClass One have ads?

Neither 三姑六婆 Pro nor iClass One shows ads.

### Which is updated more often, 三姑六婆 Pro or iClass One?

三姑六婆 Pro ships an update every 13 months, and iClass One weekly. Most recently, 三姑六婆 Pro was updated on September 26, 2026 and iClass One on October 14, 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.*