# Sender vs Post SMTP

The clearest difference is in-app purchases: Sender at none against Post SMTP's 2. Post SMTP's advantage is iOS requirement (13.4 vs 17). On price, update cadence, ads 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. Sender asks for nothing beyond the download.

Sender ships an update monthly, Post SMTP every 6 weeks. The most recent releases landed on September 8, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Sender | Post SMTP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/sender-send-only-email/id6453167537/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | **Free** | Freemium |
| Size | 13 MB | 23 MB |
| Requires iOS | 17 | **13.4** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Serhii Pryimachuk](https://appshunter.io/developer/1675875796) | [Ahmed ElDin](https://appshunter.io/developer/516932416) |

## What reviewers say

### Sender

[App page](https://appshunter.io/ios/app/sender-send-only-email/id6453167537)

This app provides a focused way to send emails without the distraction of an inbox. It utilizes SMTP to send messages, allowing you to connect your preferred email provider. Ideal for quick dispatches when you need to avoid the complexities of a traditional email client.

**Highlights:** Send emails only, No inbox or distractions, SMTP protocol support, Connect your email provider, Create specific app passwords, Inbox-stressless phone experience

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Sender free?

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

### Is Post SMTP free?

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

### Do Sender or Post SMTP have ads?

Neither Sender nor Post SMTP shows ads.

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

Sender ships an update monthly, and Post SMTP every 6 weeks. Most recently, Sender was updated on September 8, 2026 and Post SMTP on June 4, 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.*