# eM Client vs ICOS PLS

eM Client and ICOS PLS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

eM Client ships an update every 10 days, ICOS PLS every 5 days. The most recent releases landed on October 27, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | eM Client | ICOS PLS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (48 ratings)](https://appshunter.io/ios/app/em-client/id1561166404/reviews)** | — |
| Number of ratings | **48** | — |
| Positive reviews | 48.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | Free | — |
| Size | 178 MB | 29 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [eM Client](https://appshunter.io/developer/1561166526) | [at.pls.icos](https://appshunter.io/developer/1877618076) |

## 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


### ICOS PLS

[App page](https://appshunter.io/ios/app/icos-pls/id6759241174)

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

**In-app purchases:** none


## Frequently asked questions

### Is eM Client free?

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

### Is ICOS PLS free?

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

### Do eM Client or ICOS PLS have ads?

Neither eM Client nor ICOS PLS shows ads.

### Which is updated more often, eM Client or ICOS PLS?

eM Client ships an update every 10 days, and ICOS PLS every 5 days. Most recently, eM Client was updated on October 27, 2026 and ICOS PLS on October 22, 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.*