Comparison

Chaptr vs Mailbutler mobile

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

Head to head
About

Chaptr

Easily create chapter marks for audio productions on your iPhone or Apple Watch. Import audio files, add marks with simple clicks, and export them in various podcast-friendly formats. Adjust mark timing and listening speed for efficient workflow.

Highlights
  • Create chapter marks on iPhone and Apple Watch
  • Import audio from cloud services or web
  • Add marks with simple earbud clicks
  • Edit mark timecodes
  • Adjust playback speed
  • Export to multiple podcast formats
Features
Read full description

Create chapter marks for your audio production with your iPhone on the Go! Import your audio files from all document providing Apps like Dropbox or iCloud Drive or download them directly from the web. Add marks while listening: Click two or three times with your Apple EarPods to add marks while your iPhone is locked. You can also configure your AirPods to work with Chaptr. Chaptr is also available on your Apple Watch! Create marks from your wrist while you listen to your audio productions! Add edit marks at positions where your production needs improvement. Adjust the timecode of already created marks and move them to their exact position. Choose your favorite listening speed to work faster. Export the marks you created to * Podigee * mp4chaps file format (compatible with Reaper, Auphonic) * Reaper specific chapter marks file format (supports mark colors) * Podlove Simple Chapters Supported audio formats: MP3 und M4A

About

Mailbutler mobile

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
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/

Screenshots

Chaptr4 screens
Mailbutler mobile1 screens

Verdict

The call

The clearest difference is price: Mailbutler mobile at Free against Chaptr's $2.99. Mailbutler mobile also leads on ratings volume (125 vs 2) and update cadence (fortnightly vs every 6 weeks). Chaptr's advantage is rating (4.5 vs 3.9) and in-app purchases (none vs 6). On ads, device support and iOS requirement 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

Mailbutler mobile is free to download; Chaptr costs $2.99 up front. Mailbutler mobile sells 6 in-app purchases, starting at $8.49 per month. Chaptr asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Chaptr holds the better App Store score, 4.5 against 3.9. That said, the two scores are not equally well evidenced: Mailbutler mobile has 125 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Chaptr's written reviews are positive against 78% of Mailbutler mobile's.

UpkeepUpdate frequency

Chaptr ships an update every 6 weeks, Mailbutler mobile fortnightly. The most recent releases landed on September 16, 2026 and September 24, 2026 respectively.

Scorecard7 real differences · 3 level
Chaptr versus Mailbutler mobile: the parameters behind the verdict, then further details
ParameterChaptrMailbutler mobile
Price$2.99Free — better
Rating4.5 (2 ratings) — better3.9 (125 ratings)
Positive reviews100.0% of reviews — better78.1% of reviews
Number of ratings2125 — better
Update frequencyEvery 6 weeksFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS16.015.0 — better
Further details — not scored
Size2 MB18 MB
Age rating4+4+
DeveloperStefan TrauthMailbutler GmbH

Customer experience

Chaptr

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Mailbutler mobile

All ratings125 ratings
Positive67.2%
Neutral12.0%
Negative20.8%
Written reviews251 reviews
Positive78.1%
Neutral6.4%
Negative15.5%

Bugs and requests

Chaptr

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

Chaptr

No 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

Questions

Is Chaptr free?
Chaptr costs $2.99, with no in-app purchases.
Is Mailbutler mobile free?
Mailbutler mobile is free to download, with in-app purchases available.
Which has better reviews, Chaptr or Mailbutler mobile?
Chaptr is rated higher. Chaptr averages 4.5 out of 5 from 2 ratings, while Mailbutler mobile averages 3.9 from 125 ratings.
Do Chaptr or Mailbutler mobile have ads?
Neither Chaptr nor Mailbutler mobile shows ads.
Which is updated more often, Chaptr or Mailbutler mobile?
Chaptr ships an update every 6 weeks, and Mailbutler mobile fortnightly. Most recently, Chaptr was updated on September 16, 2026 and Mailbutler mobile on September 24, 2026.

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