# CalToDo vs XServer メール

The clearest difference is update cadence: XServer メール at every 5 days against CalToDo's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

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

CalToDo ships an update fortnightly, XServer メール every 5 days. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | CalToDo | XServer メール |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 18.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | — | Free |
| Size | 1 MB | 42 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuichiro Nakano](https://appshunter.io/developer/1881945078) | [XServer Inc.](https://appshunter.io/developer/973021207) |

## What reviewers say

### CalToDo

[App page](https://appshunter.io/ios/app/caltodo/id6760019258)

**Features:** macOS Compatibility

**In-app purchases:** none


### XServer メール

[App page](https://appshunter.io/ios/app/xserver/id6760635327)

Access and manage your XServer webmail accounts directly from your smartphone. Enjoy a streamlined experience with swipe gestures, automatic login, and efficient organization using folders and labels. Supports multiple email addresses and syncs seamlessly across devices.

**Highlights:** Optimized swipe gestures for mail management, One-time login for easy access, Folder and label organization, Support for multiple email accounts, Automatic synchronization with webmail, Browser-free email access

**In-app purchases:** none


## Frequently asked questions

### Is CalToDo free?

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

### Is XServer メール free?

XServer メール is free to download, with no in-app purchases.

### Do CalToDo or XServer メール have ads?

Neither CalToDo nor XServer メール shows ads.

### Which is updated more often, CalToDo or XServer メール?

CalToDo ships an update fortnightly, and XServer メール every 5 days. Most recently, CalToDo was updated on October 15, 2026 and XServer メール on October 12, 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.*