# 度量衡換算+ vs TalkAI

The clearest difference is in-app purchases: 度量衡換算+ at none against TalkAI's 21. 度量衡換算+ also leads on iOS requirement (12.3 vs 16.0). TalkAI's advantage is ads (none vs shown) and ratings volume (2.4K vs 184). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. TalkAI sells 21 in-app purchases, starting at $12.99 per month. 度量衡換算+ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for 度量衡換算+ against 4.8 for TalkAI. That said, the two scores are not equally well evidenced: TalkAI has 2.4K ratings behind it against 184, so its average is the more settled of the two. Written reviews are what separate them: 91% of 度量衡換算+'s written reviews are positive against 94% of TalkAI's.

度量衡換算+ ships an update every 2 weeks, TalkAI every 8 days. Both last shipped on October 13, 2026.

## The numbers

| Metric | 度量衡換算+ | TalkAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (184 ratings)](https://appshunter.io/ios/app/plus/id573539093/reviews) | [4.8 (2.4K ratings)](https://appshunter.io/ios/app/talkai-language-speaking/id6447748874/reviews) |
| Number of ratings | 184 | **2.4K** |
| Positive reviews | 90.9% of reviews | **93.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 9 MB | 190 MB |
| Requires iOS | **12.3** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [109700](https://appshunter.io/developer/573519108) | [Shenzhen Xiaojingtan Technology Company Limited](https://appshunter.io/developer/1742092854) |

## What reviewers say

### 度量衡換算+

[App page](https://appshunter.io/ios/app/plus/id573539093)

Easily convert between metric, imperial, and traditional Chinese and Taiwanese units for weight, length, area, volume, and temperature. This app bridges the gap between different measurement systems used in Hong Kong, mainland China, and Taiwan.

**Highlights:** Metric to imperial conversion, Traditional Chinese/Taiwanese unit conversion, Weight, length, area, volume, temperature, Bilingual display (Chinese/English), Covers various regional systems

**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 度量衡換算+ free?

度量衡換算+ 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, 度量衡換算+ or TalkAI?

度量衡換算+ and TalkAI are both rated 4.8 out of 5 on the App Store, from 184 and 2.4K ratings respectively.

### Do 度量衡換算+ or TalkAI have ads?

度量衡換算+ shows ads; TalkAI does not.

### Which is updated more often, 度量衡換算+ or TalkAI?

度量衡換算+ ships an update every 2 weeks, and TalkAI every 8 days. Most recently, 度量衡換算+ was updated on October 13, 2026 and TalkAI on October 13, 2026.

---

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