# Mailrelay.kz vs WOWING

The clearest difference is update cadence: WOWING at every 6 weeks against Mailrelay.kz's every 7 months. Mailrelay.kz's advantage is iOS requirement (10.0 vs 15.6). 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.

Mailrelay.kz ships an update every 7 months, WOWING every 6 weeks. The most recent releases landed on November 6, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Mailrelay.kz | WOWING |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Size | 17 MB | 40 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bharat Sync Technologies Pvt. Ltd.](https://appshunter.io/developer/454144939) | [PSP Pauli Services & Products GmbH](https://appshunter.io/developer/927497638) |

## What reviewers say

### Mailrelay.kz

[App page](https://appshunter.io/ios/app/mailrelaykz/id1453153829)

**In-app purchases:** none


### WOWING

[App page](https://appshunter.io/ios/app/wowing/id1477197926)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mailrelay.kz free?

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

### Is WOWING free?

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

### Do Mailrelay.kz or WOWING have ads?

Neither Mailrelay.kz nor WOWING shows ads.

### Which is updated more often, Mailrelay.kz or WOWING?

Mailrelay.kz ships an update every 7 months, and WOWING every 6 weeks. Most recently, Mailrelay.kz was updated on November 6, 2026 and WOWING on October 29, 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.*