# eM Client vs Post SMTP

The clearest difference is review sentiment: eM Client at 48% against Post SMTP's 0%. eM Client also leads on in-app purchases (none vs 2) and update cadence (every 10 days vs every 6 weeks). Post SMTP's advantage is iOS requirement (13.4 vs 15.0). On price, 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. eM Client asks for nothing beyond the download.

eM Client ships an update every 10 days, Post SMTP every 6 weeks. The most recent releases landed on October 9, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | eM Client | Post SMTP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (47 ratings)](https://appshunter.io/ios/app/em-client/id1561166404/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | **48.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 6 weeks |
| Monetization | **Free** | Freemium |
| Size | 178 MB | 23 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [eM Client](https://appshunter.io/developer/1561166526) | [Ahmed ElDin](https://appshunter.io/developer/516932416) |

## What reviewers say

### eM Client

[App page](https://appshunter.io/ios/app/em-client/id1561166404)

This app unifies email, calendar, tasks, contacts, and notes into a single, AI-enhanced platform. It offers advanced features typically found on desktop, including instant message translation and robust encryption, for seamless management of multiple accounts on your iPhone and iPad.

**Highlights:** AI-enhanced email drafting and replies, Unified inbox for email, calendar, tasks, contacts, and notes, Instant message translation, PGP and S/MIME encryption, Quick import from desktop app, Mail-tracking pixel detection, Snooze and Undo Send features

**In-app purchases:** none

**What reviewers like**

- 🚀 Reliable and customizable
- 🔒 Great privacy and security features
- 👍 Clean and intuitive interface
- 🚀 Smooth and fast performance
- 👍 Seamless sync between desktop and mobile

**What reviewers complain about**

- 🐛 Slow email sync and loading issues
- 🐛 Unreliable push notifications and badge counts
- 🐛 Inconsistent behavior compared to other email apps
- 🐛 Bugs and glitches, especially in the initial release
- 🔋 High battery consumption

**Reported bugs**

- Emails not sending immediately
- Drafts not visible or editable
- Inconsistent behavior when switching between folders
- Trouble signing in to multiple Google accounts

**Requested features**

- Calendar integration
- Improved background refresh and sync
- Custom notification sounds
- Ability to sort emails by sender
- More customization options


### 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 eM Client free?

eM Client 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 eM Client or Post SMTP have ads?

Neither eM Client nor Post SMTP shows ads.

### Which is updated more often, eM Client or Post SMTP?

eM Client ships an update every 10 days, and Post SMTP every 6 weeks. Most recently, eM Client was updated on October 9, 2026 and Post SMTP on September 26, 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.*