# 换机迁移 vs 闻道天佑

The clearest difference is in-app purchases: 闻道天佑 at none against 换机迁移's 3. 闻道天佑 also leads on update cadence (every 11 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 换机迁移 sells 3 in-app purchases, starting at $2.99 per month. 闻道天佑 asks for nothing beyond the download.

换机迁移 ships an update every 2 months, 闻道天佑 every 11 days. The most recent releases landed on August 29, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 换机迁移 | 闻道天佑 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | Freemium | — |
| Size | 133 MB | 67 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [铭楷 杨](https://appshunter.io/developer/1787282515) | [北京道佑律师事务所](https://appshunter.io/developer/1674121337) |

## What reviewers say

### 换机迁移

[App page](https://appshunter.io/ios/app/id1594290535)

This utility app helps sales professionals manage their contact lists. It offers features like number recognition from images, customer notes, and call history categorization to streamline sales activities.

**Highlights:** Number recognition from images, Customer notes and reminders, Categorized call history, Convenient dialing, Contact list management

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月会员 | $2.99 | per month |
| 连续包季会员 | $5.99 | per 3 months |
| 连续包年会员 | $14.99 | per year |


### 闻道天佑

[App page](https://appshunter.io/ios/app/id6445840340)

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

**In-app purchases:** none


## Frequently asked questions

### Is 换机迁移 free?

换机迁移 is free to download, with in-app purchases available.

### Is 闻道天佑 free?

闻道天佑 is free to download, with no in-app purchases.

### Do 换机迁移 or 闻道天佑 have ads?

Neither 换机迁移 nor 闻道天佑 shows ads.

### Which is updated more often, 换机迁移 or 闻道天佑?

换机迁移 ships an update every 2 months, and 闻道天佑 every 11 days. Most recently, 换机迁移 was updated on August 29, 2026 and 闻道天佑 on September 23, 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.*