Comparison

Mailbutler mobile vs OnlyCheckboxes

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Mailbutler mobile

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
Read full description

This is Mailbutler, the companion app to our popular email extension which makes your inbox smarter. Mailbutler gives you everything you need to maximize your productivity and keep your email on point. It offers a multitude of useful, productivity-boosting features, and with our companion app, you can use our features on the go, never missing a trick. An extension of our desktop email app, it brings all of your tracking and insights features to your mobile, meaning you can send emails on your desktop and follow their progress on your phone. Features include: • Email Tracking: More information needed? Send tracked emails from your mobile phone and use the app to find out when, where, and how often your email or link was opened • Contacts: See all information about your contacts in the same place. Get essential insights into your contacts to maintain peak customer communication • Tasks: Always remember to take action. Attach to-do items to your contacts and emails. • Notes: Add notes to your emails and contacts so you never forget any information. • Collaborators: Be consistent. Share contacts, notes, tasks, signatures, templates and more across your whole team === Who is Mailbutler for? === • Freelancers, independent professionals, and marketers • Businesses, marketing teams, and sales teams which prioritise direct client communication • Teams which need clear, easy, and productive internal communication • Productivity-lovers who want to achieve more with emails and reach Inbox Zero! === Why Mailbutler? === • Focus on important projects and improve time management without distractions • Includes a wide range of useful features and our desktop version has affordable plans for every business’s needs • Mailbutler never accesses or reads your emails • Ensures your emails are the best they can possibly be • Helps you to improve your customer communication and build new prospects, clients and contacts === Testimonials === “Without a doubt, I recommend Mailbutler. It’s revolutionized my inbox.” Hollie Barac, Accountability and Productivity Partner “Mailbutler’s support feels personal and it’s what sets them apart from so many other companies.” Craig Bowman, President of Common Ground Consulting “With Email Tracking I can focus my energy on serving clients instead of chasing emails.” Charlene Brown, Owner of Bklyn Custom Designs “The ability to add notes and tasks directly in my email client is very helpful and I’ve never seen another program that offers this feature in such an integrated way.” Jeff Sanders, Productivity Coach === Why wait? Get Mailbutler right now === The Mailbutler mobile app is free, but you need to have the desktop version of Mailbutler to be able to use it. All new Mailbutler users get a 14-day free trial so they can try out all our features and decide which plan is the best for them, and we don’t require any credit cards details until you subscribe to a plan, so you can opt out at any time! Mailbutler Tracking Plan - Basic email and link tracking for people who just want to track their emails - €3,95 per month/€39,50 per year Mailbutler Professional Plan - For professionals who want to better organize their inbox – €7,95 per month/€79,50 per year Mailbutler Smart Plan - For heavy email users who need advanced inbox features - €12,95 per month/€129,50 per year Mailbutler Business Plan - The full package for teams that want the definitive email productivity extension – €29,95 per month/€299,50 per year Privacy Policy: https://www.mailbutler.io/privacy-policy/ Terms of Service: https://www.mailbutler.io/terms-and-conditions/ === Got questions? === Contact us anytime at support@mailbutler.io === Connect with us! === Facebook: https://www.facebook.com/mailbutler/ Twitter: https://twitter.com/mailbutler LinkedIn: https://www.linkedin.com/company/mailbutler-gmbh/

About

OnlyCheckboxes

Features
Read full description

Know what needs doing. Know what got done. OnlyCheckboxes gives you one clear place for work, home, routines, errands, and projects. Start with a simple checklist. Add notes, dates, sub-checkboxes, tags, and attachments only when the work needs more detail. WHY YOU'LL LOVE ONLYCHECKBOXES KEEP UP WITH EVERYTHING See overdue, due-soon, active, and recurring lists together so the next thing never hides in another app or notebook. MAKE EVERY STEP CLEAR Give each checkbox its own notes, smaller steps, tags, dates, and files. The list stays simple until you need more. REPEAT WHAT WORKS Turn any useful list into a template. Schedule it to come back on the dates that fit your life. WORK WITH AI WITHOUT LOSING THE RECORD Supported AI assistants can create lists and work through steps with you. Their progress lands in the same checklist you can inspect later. FIND ANYTHING FAST Search across lists and checkboxes when you need to pick up old work or check what happened. FEATURES • Simple personal checklists • A dashboard for overdue, due-soon, active, and recurring work • Reusable templates • Recurring schedules • Due dates and date ranges • Notes and sub-checkboxes • Tags and search • File attachments • Support for connected AI assistants • Light and dark modes OnlyCheckboxes keeps what needs doing and what got done in one clear place—without turning your life into a project-management system. Download OnlyCheckboxes and start with one list. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Mailbutler mobile1 screens
OnlyCheckboxes4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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

Scorecard1 real difference · 9 level
Mailbutler mobile versus OnlyCheckboxes: the parameters behind the verdict, then further details
ParameterMailbutler mobileOnlyCheckboxes
PriceFreeFree
Rating3.8 (126 ratings) — better—
Positive reviews78.1% of reviews—
Number of ratings126 — better—
Update frequencyFortnightlyEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.4
Further details — not scored
Size19 MB61 MB
Age rating4+4+
DeveloperMailbutler GmbHAndrew Byrd

Bugs and requests

Mailbutler mobile

Reported bugs

4 issues
  • 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

6 requests
  • 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
Show 1 more
  • Better iPad optimization

OnlyCheckboxes

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Mailbutler mobile

Subscriptions6
  • Professional (Monthly)$8.491 Month
  • Professional+ (Monthly)$14.991 Month
  • Business (Monthly)$31.991 Month
Show 3 more
  • Professional (Yearly)$86.991 Year
  • Professional+ (Yearly)$149.991 Year
  • Business (Yearly)$329.991 Year
2 purchases

OnlyCheckboxes

Subscriptions2
  • OnlyCheckboxes Monthly$12.001 Month
  • OnlyCheckboxes Yearly$99.001 Year

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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