# 演算写字板 vs Hi Echo 虚拟人口语私教

The clearest difference is in-app purchases: 演算写字板 at none against Hi Echo 虚拟人口语私教's 33. 演算写字板 also leads on iOS requirement (9.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Hi Echo 虚拟人口语私教 sells 30 in-app purchases, starting at $9.99 per month. 演算写字板 asks for nothing beyond the download.

演算写字板 ships an update every 10 days, Hi Echo 虚拟人口语私教 fortnightly. The most recent releases landed on September 10, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 演算写字板 | Hi Echo 虚拟人口语私教 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (144 ratings)](https://appshunter.io/ios/app/hi-echo/id6454838455/reviews)** |
| Number of ratings | — | **144** |
| Positive reviews | — | 59.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 12 MB | 195 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [志化 彭](https://appshunter.io/developer/1226811775) | [Beijing NetEase Youdao Computer System Co.,Ltd](https://appshunter.io/developer/840227969) |

## What reviewers say

### 演算写字板

[App page](https://appshunter.io/ios/app/whiteboard/id1616507212)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hi Echo 虚拟人口语私教

[App page](https://appshunter.io/ios/app/hi-echo/id6454838455)

Practice English conversation anytime, anywhere with an AI tutor. Get instant feedback on your speaking, grammar, and vocabulary. Ideal for improving fluency and confidence in various real-life scenarios.

**Highlights:** AI-powered one-on-one conversation practice, 24/7 availability, Covers 10 scenarios and 88 topics, Provides speaking scores and detailed reports, Offers optimization suggestions for grammar and vocabulary, Simulates real-life dialogue

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

**In-app purchases (30)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hi Echo 连续包月服务 | $9.99 | per month |
| 3天免费+包月套餐 | $9.99 | per month |
| VIP包月服务 | $24.99 | per month |
| TalkEase VIP 3天试用+连续包月服务 | $28.99 | per month |
| TalkEase VIP连续包月服务 | $28.99 | per month |
| Hi Echo 雅思臻享连续包月服务 | $34.99 | per month |
| TalkEase 3天免费试用+连续包季套餐 | $39.99 | per 3 months |
| TalkEase VIP连续包季套餐服务 | $39.99 | per 3 months |
| SVIP包月服务 | $39.99 | per month |
| SVIP包月服务 | $49.99 | per month |
| Hi Echo 连续包年服务 | $69.99 | per year |
| 会员年卡 | $69.99 | per year |
| Hi Echo连续包年服务 | $69.99 | per year |
| TalkEase VIP连续包年套餐服务 | $89.99 | per year |
| Hi Echo 雅思臻享连续包年服务 | $149.99 | per year |
| SVIP包年服务（优惠200元） | $149.99 | per year |
| SVIP包年服务（优惠300元） | $149.99 | per year |
| SVIP包年服务（优惠400元） | $149.99 | per year |
| Hi Echo 10小时加量包 | $8.99 | one-time |
| Hi Echo 30小时加量包 | $17.99 | one-time |
| Hi Echo 60小时加量包 | $19.99 | one-time |
| Hi Echo 雅思臻享月度会员服务 | $34.99 | one-time |
| Hi Echo 雅思臻享季度会员服务 | $44.99 | one-time |
| Hi Echo 雅思专属60小时加量包 | $49.99 | one-time |
| Hi Echo 雅思臻享季度会员服务 | $49.99 | one-time |
| Hi Echo VIP年度会员 | $59.99 | one-time |
| Hi Echo 年度会员服务 | $69.99 | one-time |
| SVIP季度服务 | $89.99 | one-time |
| Hi Echo 订阅1年 | $99.99 | one-time |
| Hi Echo 雅思臻享年度会员服务 | $179.99 | one-time |


## Frequently asked questions

### Is 演算写字板 free?

演算写字板 is free to download, with no in-app purchases.

### Is Hi Echo 虚拟人口语私教 free?

Hi Echo 虚拟人口语私教 is free to download, with in-app purchases available.

### Do 演算写字板 or Hi Echo 虚拟人口语私教 have ads?

Neither 演算写字板 nor Hi Echo 虚拟人口语私教 shows ads.

### Which is updated more often, 演算写字板 or Hi Echo 虚拟人口语私教?

演算写字板 ships an update every 10 days, and Hi Echo 虚拟人口语私教 fortnightly. Most recently, 演算写字板 was updated on September 10, 2026 and Hi Echo 虚拟人口语私教 on September 26, 2026.

---

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