# 139邮箱 vs Calculator H

The clearest difference is update cadence: Calculator H at every 5 days against 139邮箱's monthly. Calculator H also leads on rating (4.9 vs 4.6) and review sentiment (100% vs 89%). 139邮箱's advantage is ratings volume (103 vs 25). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Calculator H holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 103 and 25 respectively. Written reviews point the same way: 89% of 139邮箱's written reviews are positive against 100% of Calculator H's.

139邮箱 ships an update monthly, Calculator H every 5 days. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 139邮箱 | Calculator H |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (103 ratings)](https://appshunter.io/ios/app/139/id474433226/reviews) | **[4.9 (25 ratings)](https://appshunter.io/ios/app/calculator-h/id6760459201/reviews)** |
| Number of ratings | **103** | 25 |
| Positive reviews | 88.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free | Free |
| Size | 187 MB | 47 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [China Mobile Internet Company Limited](https://appshunter.io/developer/1612019289) | [Chengdu Cold Technology Co., Ltd](https://appshunter.io/developer/1873882906) |

## 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


### Calculator H

[App page](https://appshunter.io/ios/app/calculator-h/id6760459201)

This app offers a robust calculator with history and editable equations. It includes specialized calculators for mortgage calculations, interest rates, and currency conversions with real-time updates.

**Highlights:** Editable calculation history, Mortgage calculator (fixed, LPR, provident fund), Interest rate comparison, Currency converter with real-time rates, Save and compare mortgage data

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

**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 Calculator H free?

Calculator H is free to download, with no in-app purchases.

### Which has better reviews, 139邮箱 or Calculator H?

Calculator H is rated higher. 139邮箱 averages 4.6 out of 5 from 103 ratings, while Calculator H averages 4.9 from 25 ratings.

### Do 139邮箱 or Calculator H have ads?

Neither 139邮箱 nor Calculator H shows ads.

### Which is updated more often, 139邮箱 or Calculator H?

139邮箱 ships an update monthly, and Calculator H every 5 days. Most recently, 139邮箱 was updated on October 21, 2026 and Calculator H on October 7, 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.*