# 十万个为什么3 vs TalkAI

The clearest difference is in-app purchases: 十万个为什么3 at none against TalkAI's 21. 十万个为什么3 also leads on iOS requirement (10.0 vs 16.0). TalkAI's advantage is ads (none vs shown) and update cadence (every 8 days vs every 4 months). On price, rating and device support there is nothing between them.

Both are free to download. TalkAI sells 21 in-app purchases, starting at $12.99 per month. 十万个为什么3 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for 十万个为什么3 against 4.8 for TalkAI. That said, the two scores are not equally well evidenced: TalkAI has 2.4K ratings behind it against 16, so its average is the more settled of the two. Written reviews are what separate them: 80% of 十万个为什么3's written reviews are positive against 93% of TalkAI's.

十万个为什么3 ships an update every 4 months, TalkAI every 8 days. The most recent releases landed on September 29, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 十万个为什么3 | TalkAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (16 ratings)](https://appshunter.io/ios/app/3/id1313195907/reviews)** | [4.8 (2.4K ratings)](https://appshunter.io/ios/app/talkai-language-speaking/id6447748874/reviews) |
| Number of ratings | 16 | **2.4K** |
| Positive reviews | 80.0% of reviews | **92.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 8 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 83 MB | 190 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [昌庭 周](https://appshunter.io/developer/1063627234) | [Shenzhen Xiaojingtan Technology Company Limited](https://appshunter.io/developer/1742092854) |

## What reviewers say

### 十万个为什么3

[App page](https://appshunter.io/ios/app/3/id1313195907)

This educational app offers a comprehensive encyclopedia covering science, history, culture, and more. It explains complex topics with engaging text and visuals, designed to spark curiosity and broaden young readers' horizons.

**Highlights:** Covers astronomy, geography, biology, math, physics, chemistry, Explains 'why' questions with vivid text, Systematic and scientific knowledge organization, Engaging and lively page design, Enhances creativity and imagination, Interactive Q&A format

**Features:** macOS Compatibility

**In-app purchases:** none


### TalkAI

[App page](https://appshunter.io/ios/app/talkai-language-speaking/id6447748874)

Practice spoken language with an AI tutor that offers live video calls, chat practice, and real-time grammar correction. Access an intelligent vocabulary book and learn over 60 languages with adjustable speech speeds and conversation difficulty levels.

**Highlights:** AI live video call practice, AI chat for language learning, Real-time AI grammar correction, Intelligent vocabulary book, Supports 60+ foreign languages, Adjustable speech speed and difficulty

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

**In-app purchases (21)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度折扣订阅VIP | $12.99 | per month |
| 口语练习7天会员 | $17.99 | per 7 days |
| 月度会员 | $22.00 | per month |
| Monthly Plan | $28.99 | per month |
| Quarterly Plan | $38.99 | per 3 months |
| 年度折扣订阅VIP | $39.99 | per year |
| 口语练习季度会员 | $40.00 | per 3 months |
| 连续包年会员 | $49.99 | per year |
| 口语练习年度会员 | $68.00 | per year |
| Yearly Plan | $68.99 | per year |
| 零基础英语口语入门课 | Free | one-time |
| 6 币 | $0.99 | one-time |
| 口语练习AI币套餐2 | $14.99 | one-time |
| 零基础英语口语入门课 | $24.99 | one-time |
| 口语练习AI币套餐3 | $39.99 | one-time |
| TalkAI练口语2年会员 | $69.99 | one-time |
| TalkAI永久会员 | $79.99 | one-time |
| TalkAI练口语3年会员 | $89.99 | one-time |
| TalkAI练口语终身会员 | $99.99 | one-time |
| TalkAI终身会员 | $117.99 | one-time |
| 口语练习终身会员 | $118.99 | one-time |

**What reviewers like**

- 🚀 Great app for practicing language skills
- 👍 Helpful AI feedback and corrections
- 💡 Supports multiple languages
- 👍 Engaging and interactive experience
- 👍 Useful for improving speaking proficiency

**What reviewers complain about**

- 🐛 Language feedback sometimes in wrong language
- 🐛 Occasional technical issues and app crashes
- 💰 Concerns about pricing and subscription model

**Reported bugs**

- Language feedback sometimes in wrong language
- App crashes or becomes unresponsive

**Requested features**

- Option to customize language feedback language
- Expand language support to more languages
- Improve app stability and reduce technical issues


## Frequently asked questions

### Is 十万个为什么3 free?

十万个为什么3 is free to download, with no in-app purchases.

### Is TalkAI free?

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

### Which has better reviews, 十万个为什么3 or TalkAI?

十万个为什么3 is rated higher. 十万个为什么3 averages 4.9 out of 5 from 16 ratings, while TalkAI averages 4.8 from 2.4K ratings.

### Do 十万个为什么3 or TalkAI have ads?

十万个为什么3 shows ads; TalkAI does not.

### Which is updated more often, 十万个为什么3 or TalkAI?

十万个为什么3 ships an update every 4 months, and TalkAI every 8 days. Most recently, 十万个为什么3 was updated on September 29, 2026 and TalkAI on October 18, 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.*