# Spacemail vs Mailbux

The clearest difference is ratings volume: Spacemail at 251 against Mailbux's 1. Mailbux's advantage is rating (5.0 vs 4.7) and iOS requirement (15.1 vs 18.0). 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.

Mailbux holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Spacemail has 251 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on September 26, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Spacemail | Mailbux |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (251 ratings)](https://appshunter.io/ios/app/spacemail/id6754387443/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mailbux/id6755738754/reviews)** |
| Number of ratings | **251** | 1 |
| Positive reviews | 53.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Free | Free |
| Size | 160 MB | 24 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Namecheap, Inc](https://appshunter.io/developer/482604035) | [CloudWish LLC](https://appshunter.io/developer/1778325497) |

## What reviewers say

### Spacemail

[App page](https://appshunter.io/ios/app/spacemail/id6754387443)

Manage your business email efficiently with this app. It offers a fast, intuitive interface with instant syncing across devices. Enjoy smart security features like 2FA and data encryption in an ad-free environment.

**Highlights:** Seamless business email management, Smart security with 2FA and encryption, Intuitive design and instant sync, Intelligent dark mode, Ad-free inbox

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

**In-app purchases:** none


### Mailbux

[App page](https://appshunter.io/ios/app/mailbux/id6755738754)

A fast, secure, and beautifully designed email client for managing multiple accounts. It offers free business email hosting with professional features like custom domains, contacts, calendar, and cloud storage.

**Highlights:** Free business email hosting, Unified inbox for multiple accounts, Real-time notifications, Powerful search functionality, Customizable folders and labels, Seamless cross-device sync

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

**In-app purchases:** none


## Frequently asked questions

### Is Spacemail free?

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

### Is Mailbux free?

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

### Which has better reviews, Spacemail or Mailbux?

Mailbux is rated higher. Spacemail averages 4.7 out of 5 from 251 ratings, while Mailbux averages 5.0 from 1 ratings.

### Do Spacemail or Mailbux have ads?

Neither Spacemail nor Mailbux shows ads.

### Which is updated more often, Spacemail or Mailbux?

Spacemail ships an update every 5 days, and Mailbux every 5 days. Most recently, Spacemail was updated on September 26, 2026 and Mailbux on September 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.*