# 句问 vs PolyEcho

The clearest difference is update cadence: PolyEcho at every 5 days against 句问's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 句问 sells 1 one-off in-app purchase and PolyEcho sells 4 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

句问 ships an update fortnightly, PolyEcho every 5 days. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 句问 | PolyEcho |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Size | 23 MB | 207 MB |
| Requires iOS | 14.4 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [增宝 王](https://appshunter.io/developer/827650044) | [楷博 尚](https://appshunter.io/developer/1801785390) |

## What reviewers say

### 句问

[App page](https://appshunter.io/ios/app/id6458589662)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 120 | $0.99 | one-time |


### PolyEcho

[App page](https://appshunter.io/ios/app/polyecho/id6743313316)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $12.99 | per month |
| Semi-Annual Subscription | $59.99 | per 6 months |
| Annual Subscription | $99.99 | per year |
| 5-Time Conversation Credit | $2.99 | one-time |


## Frequently asked questions

### Is 句问 free?

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

### Is PolyEcho free?

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

### Do 句问 or PolyEcho have ads?

Neither 句问 nor PolyEcho shows ads.

### Which is updated more often, 句问 or PolyEcho?

句问 ships an update fortnightly, and PolyEcho every 5 days. Most recently, 句问 was updated on October 8, 2026 and PolyEcho on September 30, 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.*