# Debate Coach vs Koucai

The clearest difference is update cadence: Koucai at every 2 days against Debate Coach's every 9 days. Debate Coach's advantage is iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Debate Coach sells 2 in-app purchases, starting at $6.99 per month and Koucai sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Debate Coach ships an update every 9 days, Koucai every 2 days. The most recent releases landed on November 6, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Debate Coach | Koucai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/koucai/id6815500983/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 46 MB | 12 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Asadbek Alisherovich](https://appshunter.io/developer/1856634148) | [Wende Li](https://appshunter.io/developer/6815500985) |

## What reviewers say

### Debate Coach

[App page](https://appshunter.io/ios/app/debate-coach-win-arguments/id6799650120)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $6.99 | per month |
| Premium Yearly | $33.99 | per year |


### Koucai

[App page](https://appshunter.io/ios/app/koucai/id6815500983)

Practice speaking clearly and confidently by retelling short passages in your own words. Choose from 800 practices across eight topics, available in English or Chinese. Your recordings and transcripts are stored privately on your device.

**Highlights:** Retell passages in own words, 800 practices in 8 topics, English and Chinese language support, Voice journaling with transcripts, Progress tracking and streaks, Offline practice text, Private by design, no ads or tracking

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Life Package | $9.99 | one-time |
| Workplace Package | $9.99 | one-time |
| History Package | $9.99 | one-time |
| Science Package | $9.99 | one-time |
| Math Package | $9.99 | one-time |
| Logic Package | $9.99 | one-time |
| Classroom Package | $9.99 | one-time |


## Frequently asked questions

### Is Debate Coach free?

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

### Is Koucai free?

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

### Do Debate Coach or Koucai have ads?

Neither Debate Coach nor Koucai shows ads.

### Which is updated more often, Debate Coach or Koucai?

Debate Coach ships an update every 9 days, and Koucai every 2 days. Most recently, Debate Coach was updated on November 6, 2026 and Koucai on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*