# Mailbutler mobile vs E M Sergeant

The clearest difference is in-app purchases: E M Sergeant at none against Mailbutler mobile's 6. E M Sergeant also leads on iOS requirement (8.0 vs 15.0). Mailbutler mobile's advantage is update cadence (fortnightly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Mailbutler mobile sells 6 in-app purchases, starting at $8.49 per month. E M Sergeant asks for nothing beyond the download.

Mailbutler mobile ships an update fortnightly, E M Sergeant every 2 months. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Mailbutler mobile | E M Sergeant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (126 ratings)](https://appshunter.io/ios/app/mailbutler-mobile/id1461320466/reviews)** | — |
| Number of ratings | **126** | — |
| Positive reviews | 78.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 99 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mailbutler GmbH](https://appshunter.io/developer/1172825979) | [Blue Cow Software, Inc.](https://appshunter.io/developer/1352476536) |

## What reviewers say

### Mailbutler mobile

[App page](https://appshunter.io/ios/app/mailbutler-mobile/id1461320466)

Enhance your email productivity on the go with this app. Track email opens, manage contacts, and organize tasks and notes. Collaborate with your team by sharing essential information.

**Highlights:** Email Tracking, Contact Management, Task Management, Note Taking, Team Collaboration, Email Insights

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional (Monthly) | $8.49 | per month |
| Professional+ (Monthly) | $14.99 | per month |
| Business (Monthly) | $31.99 | per month |
| Professional (Yearly) | $86.99 | per year |
| Professional+ (Yearly) | $149.99 | per year |
| Business (Yearly) | $329.99 | per year |

**What reviewers like**

- 💡 Great app for business development
- 🚀 Tremendous help for workflow and email management
- 👍 Excellent email tracking and signature features
- 👍 Reliable and has never let users down
- 👍 Helps understand open rates and engagement

**What reviewers complain about**

- 🐛 Constant log-off issues on iOS
- 🐛 Doesn't work properly on iOS with Gmail
- 🐛 Flashing/blinking screen on iOS
- 🐛 Doesn't work anymore on iOS or Mac
- 🐛 Poor responsiveness on iOS

**Reported bugs**

- Constant login issues on iOS
- Flashing/blinking screen on iOS
- Doesn't work properly with Gmail on iOS
- Doesn't work anymore on iOS or Mac

**Requested features**

- Split screen functionality on iPad
- Ability to set reminders for incoming emails
- Full integration with iOS Mail app
- Ability to send tracked emails from iOS
- More a-la-carte feature options


### E M Sergeant

[App page](https://appshunter.io/ios/app/e-m-sergeant/id1619341337)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mailbutler mobile free?

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

### Is E M Sergeant free?

E M Sergeant is free to download, with no in-app purchases.

### Do Mailbutler mobile or E M Sergeant have ads?

Neither Mailbutler mobile nor E M Sergeant shows ads.

### Which is updated more often, Mailbutler mobile or E M Sergeant?

Mailbutler mobile ships an update fortnightly, and E M Sergeant every 2 months. Most recently, Mailbutler mobile was updated on October 15, 2026 and E M Sergeant on October 6, 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.*