# Mailbutler mobile vs OnlyCheckboxes

The clearest difference is update cadence: OnlyCheckboxes at every 4 days against Mailbutler mobile's fortnightly. On price, ads, in-app purchases 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 and OnlyCheckboxes sells 2 in-app purchases, starting at $12.00 per month. Whichever you choose, the download price is not the number that matters.

Mailbutler mobile ships an update fortnightly, OnlyCheckboxes every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mailbutler mobile | OnlyCheckboxes |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 61 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mailbutler GmbH](https://appshunter.io/developer/1172825979) | [Andrew Byrd](https://appshunter.io/developer/6790197342) |

## What reviewers say

### Mailbutler mobile

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

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

**Highlights:** Email Tracking, Contact Management, Task Attachment, Note Taking, Team Collaboration, Signature Templates

**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


### OnlyCheckboxes

[App page](https://appshunter.io/ios/app/onlycheckboxes/id6790197340)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OnlyCheckboxes Monthly | $12.00 | per month |
| OnlyCheckboxes Yearly | $99.00 | per year |


## Frequently asked questions

### Is Mailbutler mobile free?

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

### Is OnlyCheckboxes free?

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

### Do Mailbutler mobile or OnlyCheckboxes have ads?

Neither Mailbutler mobile nor OnlyCheckboxes shows ads.

### Which is updated more often, Mailbutler mobile or OnlyCheckboxes?

Mailbutler mobile ships an update fortnightly, and OnlyCheckboxes every 4 days. Most recently, Mailbutler mobile was updated on November 3, 2026 and OnlyCheckboxes on October 31, 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.*