# Spacemail vs Cal.com

The clearest difference is update cadence: Spacemail at every 5 days against Cal.com's every 3 weeks. Cal.com's advantage is iOS requirement (15.1 vs 18.0). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.7 for Spacemail against 4.8 for Cal.com. Both are backed by a comparable volume of ratings — 251 and 126 respectively. Written reviews are what separate them: 53% of Spacemail's written reviews are positive against 55% of Cal.com's.

Spacemail ships an update every 5 days, Cal.com every 3 weeks. The most recent releases landed on September 30, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Spacemail | Cal.com |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (251 ratings)](https://appshunter.io/ios/app/spacemail/id6754387443/reviews) | **[4.8 (126 ratings)](https://appshunter.io/ios/app/calcom/id6757157271/reviews)** |
| Number of ratings | **251** | 126 |
| Positive reviews | 53.3% of reviews | **54.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 160 MB | 41 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Namecheap, Inc](https://appshunter.io/developer/482604035) | [Cal.com, Inc.](https://appshunter.io/developer/1864941554) |

## 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


### Cal.com

[App page](https://appshunter.io/ios/app/calcom/id6757157271)

This mobile app simplifies meeting scheduling on the go. It allows users to book, reschedule, and cancel appointments with ease, syncing with their existing calendars and providing real-time availability. Smart notifications help users stay organized with upcoming events.

**Highlights:** Instant scheduling on mobile, Real-time calendar sync, Smart event notifications, Seamless integration with tools, Reschedule and cancel meetings

**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 Cal.com free?

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

### Which has better reviews, Spacemail or Cal.com?

Cal.com is rated higher. Spacemail averages 4.7 out of 5 from 251 ratings, while Cal.com averages 4.8 from 126 ratings.

### Do Spacemail or Cal.com have ads?

Neither Spacemail nor Cal.com shows ads.

### Which is updated more often, Spacemail or Cal.com?

Spacemail ships an update every 5 days, and Cal.com every 3 weeks. Most recently, Spacemail was updated on September 30, 2026 and Cal.com on September 28, 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.*