# 139邮箱 vs IP数据云

The clearest difference is monetization model: 139邮箱 at free against IP数据云's free with in-app purchases. 139邮箱 also leads on ratings volume (95 vs 1). IP数据云's advantage is rating (5.0 vs 4.7) and iOS requirement (12.0 vs 14.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IP数据云 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: 139邮箱 has 95 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 23, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | 139邮箱 | IP数据云 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (95 ratings)](https://appshunter.io/ios/app/139/id474433226/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ip/id1623741917/reviews)** |
| Number of ratings | **95** | 1 |
| Positive reviews | 88.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 187 MB | 68 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [China Mobile Internet Company Limited](https://appshunter.io/developer/1612019289) | [伟伟 豆](https://appshunter.io/developer/1623339932) |

## What reviewers say

### 139邮箱

[App page](https://appshunter.io/ios/app/139/id474433226)

This app offers a comprehensive email and cloud storage solution, allowing users to send and receive emails, back up phone data, and utilize AI-powered tools for enhanced productivity. It provides secure cloud storage, voice-to-text notes, and convenient bill checking.

**Highlights:** Email and cloud storage integration, AI-powered writing and summarization, Secure cloud backup for files and photos, Voice-to-text note-taking, Multi-account email management, One-click passwordless login, Bill and invoice management

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

**In-app purchases:** none


### IP数据云

[App page](https://appshunter.io/ios/app/ip/id1623741917)

This platform offers a comprehensive global IP address database for precise location tracking. It utilizes advanced AI algorithms and extensive network monitoring to provide highly accurate IP geolocation data, with options for custom interface development.

**Highlights:** Global IP address database (4.3 billion IPs), High-accuracy IP geolocation (>99.8%), AI-powered location algorithms, Real-time IP data updates (24h), MAC and public IP address detection, Customizable API and offline database options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 139邮箱 free?

139邮箱 is free to download, with no in-app purchases.

### Is IP数据云 free?

IP数据云 is free to download, with no in-app purchases.

### Which has better reviews, 139邮箱 or IP数据云?

IP数据云 is rated higher. 139邮箱 averages 4.7 out of 5 from 95 ratings, while IP数据云 averages 5.0 from 1 ratings.

### Do 139邮箱 or IP数据云 have ads?

Neither 139邮箱 nor IP数据云 shows ads.

### Which is updated more often, 139邮箱 or IP数据云?

139邮箱 ships an update monthly, and IP数据云 monthly. Most recently, 139邮箱 was updated on September 23, 2026 and IP数据云 on June 5, 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.*