# 电牙 vs 龙虾出行

The clearest difference is in-app purchases: 龙虾出行 at none against 电牙's 3. 电牙's advantage is iOS requirement (15.6 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 电牙 sells 3 one-off in-app purchases. 龙虾出行 asks for nothing beyond the download.

电牙 ships an update weekly, 龙虾出行 every 6 days. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 电牙 | 龙虾出行 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai/id6761365591/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | — | Subscription |
| Size | 45 MB | 69 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Change the World (Shenzhen) Artificial Intelligence Technology Co., Ltd](https://appshunter.io/developer/1824623538) | [深圳市乐途宝网络科技有限公司](https://appshunter.io/developer/1057883019) |

## What reviewers say

### 电牙

[App page](https://appshunter.io/ios/app/id6748213733)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10小时转写时长包 | $3.99 | one-time |
| 30小时转写时长包 | $9.99 | one-time |
| 100小时转写时长包 | $29.99 | one-time |


### 龙虾出行

[App page](https://appshunter.io/ios/app/ai/id6761365591)

This AI-powered assistant redefines travel by offering complete solutions from planning to execution. It handles everything from booking flights and hotels to arranging rides, automating the entire process for a seamless experience.

**Highlights:** AI-powered trip planning, One-click itinerary generation, Automated flight and hotel booking, Real-time ride-hailing integration, Zero commission pricing, Annual membership model

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

**In-app purchases:** none


## Frequently asked questions

### Is 电牙 free?

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

### Is 龙虾出行 free?

龙虾出行 is free to download, with no in-app purchases.

### Do 电牙 or 龙虾出行 have ads?

Neither 电牙 nor 龙虾出行 shows ads.

### Which is updated more often, 电牙 or 龙虾出行?

电牙 ships an update weekly, and 龙虾出行 every 6 days. Most recently, 电牙 was updated on October 14, 2026 and 龙虾出行 on October 16, 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.*