# Hutong vs Equation Loop

The clearest difference is in-app purchases: Hutong at none against Equation Loop's 2. Hutong also leads on update cadence (every 9 days vs every 3 weeks). Equation Loop's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.6). On price and ads there is nothing between them.

Both are free to download. Equation Loop sells 2 in-app purchases, starting at $3.99 per month. Hutong asks for nothing beyond the download.

Hutong ships an update every 9 days, Equation Loop every 3 weeks. The most recent releases landed on October 19, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Hutong | Equation Loop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/hutong-learn-chinese/id6743445645/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 210 MB | 45 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Christopher O'Neil](https://appshunter.io/developer/727466141) | [Monad Functor](https://appshunter.io/developer/1853984151) |

## What reviewers say

### Hutong

[App page](https://appshunter.io/ios/app/hutong-learn-chinese/id6743445645)

This app helps you learn Chinese by providing character-by-character translations and breakdowns. It offers bidirectional translation and allows you to capture text from photos. A personal dictionary tracks your translated words for review.

**Highlights:** Character-by-character translation, Bidirectional translation (CN-EN, EN-CN), Photo text translation, Grammar breakdown, Personal dictionary, LLM-based translations

**Features:** macOS Compatibility

**In-app purchases:** none


### Equation Loop

[App page](https://appshunter.io/ios/app/equation-loop/id6755448699)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $3.99 | per month |
| Unlock Forever | $9.99 | one-time |


## Frequently asked questions

### Is Hutong free?

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

### Is Equation Loop free?

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

### Do Hutong or Equation Loop have ads?

Neither Hutong nor Equation Loop shows ads.

### Which is updated more often, Hutong or Equation Loop?

Hutong ships an update every 9 days, and Equation Loop every 3 weeks. Most recently, Hutong was updated on October 19, 2026 and Equation Loop 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.*