# Email.cz vs RJ DataSMS

The clearest difference is update cadence: Email.cz at monthly against RJ DataSMS's every 3 months. 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.

Email.cz ships an update monthly, RJ DataSMS every 3 months. The most recent releases landed on October 23, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Email.cz | RJ DataSMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (58 ratings)](https://appshunter.io/ios/app/emailcz/id965773009/reviews)** | — |
| Number of ratings | **58** | — |
| Positive reviews | 13.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | — |
| Size | 27 MB | 31 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Seznam.cz a.s.](https://appshunter.io/developer/323858901) | [Student Agency, k. s.](https://appshunter.io/developer/706033018) |

## What reviewers say

### Email.cz

[App page](https://appshunter.io/ios/app/emailcz/id965773009)

Manage all your email accounts from one place with this app. Access your folders, search old messages, and send emails even when offline. It adapts to your device's dark or light mode and offers enhanced security.

**Highlights:** Unified inbox for multiple accounts, Offline email access and sending, Quick search for older messages, Dark/Light mode adaptation, Enhanced security features, Folder management

**Features:** Vision Pro support

**In-app purchases:** none


### RJ DataSMS

[App page](https://appshunter.io/ios/app/rj-datasms/id1488314121)

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

**In-app purchases:** none


## Frequently asked questions

### Is Email.cz free?

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

### Is RJ DataSMS free?

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

### Do Email.cz or RJ DataSMS have ads?

Neither Email.cz nor RJ DataSMS shows ads.

### Which is updated more often, Email.cz or RJ DataSMS?

Email.cz ships an update monthly, and RJ DataSMS every 3 months. Most recently, Email.cz was updated on October 23, 2026 and RJ DataSMS on October 6, 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.*