# eM Client vs OVB Multi Factor Authenticator

The clearest difference is update cadence: eM Client at weekly against OVB Multi Factor Authenticator's every 9 months. eM Client also leads on iOS requirement (15.0 vs 17.5). 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.

eM Client ships an update weekly, OVB Multi Factor Authenticator every 9 months. The most recent releases landed on September 22, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | eM Client | OVB Multi Factor Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (42 ratings)](https://appshunter.io/ios/app/em-client/id1561166404/reviews)** | — |
| Number of ratings | **42** | — |
| Positive reviews | 48.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 months |
| Monetization | Free | — |
| Size | 124 MB | 57 MB |
| Requires iOS | **15.0** | 17.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [eM Client](https://appshunter.io/developer/1561166526) | [OVB Holding AG](https://appshunter.io/developer/935220572) |

## 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


### OVB Multi Factor Authenticator

[App page](https://appshunter.io/ios/app/ovb-multi-factor-authenticator/id6471665948)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is eM Client free?

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

### Is OVB Multi Factor Authenticator free?

OVB Multi Factor Authenticator is free to download, with no in-app purchases.

### Do eM Client or OVB Multi Factor Authenticator have ads?

Neither eM Client nor OVB Multi Factor Authenticator shows ads.

### Which is updated more often, eM Client or OVB Multi Factor Authenticator?

eM Client ships an update weekly, and OVB Multi Factor Authenticator every 9 months. Most recently, eM Client was updated on September 22, 2026 and OVB Multi Factor Authenticator on September 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*