# Post SMTP vs KyberQ

The clearest difference is ads: Post SMTP at none against KyberQ's shown. Post SMTP also leads on iOS requirement (13.4 vs 15.0). KyberQ's advantage is update cadence (every 2 days vs every 6 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Post SMTP sells 2 in-app purchases, starting at $4.99 per month and KyberQ sells 2 in-app purchases, starting at $5.09 per month. Whichever you choose, the download price is not the number that matters.

Post SMTP ships an update every 6 weeks, KyberQ every 2 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Post SMTP | KyberQ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 23 MB | 57 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ahmed ElDin](https://appshunter.io/developer/516932416) | [Muhammad Ahmad](https://appshunter.io/developer/6771895672) |

## What reviewers say

### Post SMTP

[App page](https://appshunter.io/ios/app/post-smtp/id6473368559)

Monitor WordPress email delivery and troubleshoot failures from your mobile device. Get instant notifications for issues, preview email content, and resend failed messages with ease. Connect to multiple WordPress sites and various SMTP services.

**Highlights:** Email delivery monitoring, Failure notifications, Resend failed emails, Email content preview, Multiple site support, SMTP service integration

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Access | $4.99 | per month |
| Annual Pro Access | $39.99 | per year |


### KyberQ

[App page](https://appshunter.io/ios/app/kyberq/id6772250439)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.09 | per month |
| Yearly | $60.00 | per year |


## Frequently asked questions

### Is Post SMTP free?

Post SMTP is free to download, with in-app purchases available.

### Is KyberQ free?

KyberQ is free to download, with in-app purchases available.

### Do Post SMTP or KyberQ have ads?

KyberQ shows ads; Post SMTP does not.

### Which is updated more often, Post SMTP or KyberQ?

Post SMTP ships an update every 6 weeks, and KyberQ every 2 days. Most recently, Post SMTP was updated on October 27, 2026 and KyberQ on October 31, 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.*