ML revenue forecast.
Calibrated against 48160 apps in this category.
Confidence band
±15%
High — many comparable apps with verified data
At a glance
Earns 10.72× more than the category median (130/mo).
Ranks #530 of 48,160 in Business (top 1.1% by revenue).
Launched Jan 07, 2014 · last updated Mar 16, 2026.
What the app looks like
Live screenshots from the Play Store, captured by our snapshot worker. Tap any image to enlarge.
Nine - Email & Calendar's revenue trajectory
Forecast revenue from snapshot history. Last 1 months.
Where Nine - Email & Calendar sits in Business
Revenue distribution of 48160 comparable apps. Nine - Email & Calendar highlighted.
Nine - Email & Calendar vs comparable apps
Revenue trajectory side-by-side. Bold = Nine - Email & Calendar, ghosted = peers.
App spec
Version
4.9.7b
Last update
Mar 16, 2026
Launched
Jan 07, 2014
Price
Free
Monetization
Free
What Nine - Email & Calendar actually does (from store listing)
The 100 Best Android Apps for 2019 - https://bit.ly/2PWe259
16 Android Apps Actually Worth Paying For - https://bit.ly/2G7vkJX
********************
Nine is not a free app.
After enough time using the free trial for 2 weeks and you are satisfied, please purchase Nine licenses.
The price for a license is US $14.99.
********************
As of today email communication became a critical thing as interpersonal communication skill within an organization or in your daily life. There might be…
The 100 Best Android Apps for 2019 - https://bit.ly/2PWe259
16 Android Apps Actually Worth Paying For - https://bit.ly/2G7vkJX
********************
Nine is not a free app.
After enough time using the free trial for 2 weeks and you are satisfied, please purchase Nine licenses.
The price for a license is US $14.99.
********************
As of today email communication became a critical thing as interpersonal communication skill within an organization or in your daily life. There might be nothing more important than efficient communication in the work of a company. Nine is a full-fledged email application for Android based on Direct Push technology to synchronize with Microsoft Exchange Server using Microsoft Exchange ActiveSync, and also designed for entrepreneurs or ordinary people who want to have efficient communication with their colleagues, friends, and family members at anytime, anywhere. You may already have good experience with other E-Mail apps for Android. Regardless of your existing experience, we will give you a superb experience more than anything else. Leveraging E-Mail, Contacts, Calendar, Tasks and Notes on your mobile devices through wireless networks enhances your user experience and dramatically reduces your time.
Key features - Direct Push Synchronization with Exchange ActiveSync. Nine does not have any server to store user's Nine data. Nine app connects to user server directly. All Nine data is stored in user device only.
- Calendar and Contacts (Integrated into stock Calendar and Contacts application along with Nine account)
- Rich-Text Editor
- Client Cert
- S/MIME
- IRM
- Global Address List (GAL)
- Select folders to push (Email notification per each folder)
- Full HTML (inbound, outbound)
- Secure Sockets Layer (SSL)
- Hybrid Email Search (Integrate with fast local search and online search)
- Conversation Mode
- Unread Badge (Nova Launcher, Apex Launcher, DashClock and Samsung, Sony, Huawei & LG devices)
- Widgets (Unread badge, Shortcuts, Email list, Tasks list and Calendar Agenda)
- Notes Sync (Exchange 2010 and higher)
- Tasks & Calendar Sync
- Modern Authentication for Office 365
Permission Details * WRITE_EXTERNAL_STORAGE
- To copy the attachment to an external storage and to export Nine settings.
* READ_EXTERNAL_STORAGE
- To import attachments from an external storage and to import Nine settings.
* CALL_PHONE
- To call a contact in Nine Contacts
* READ_PHONE_STATE
- To deliver the Device information to server (ActiveSync function)
* GET_ACCOUNTS
- To use the account for purchasing a license and to manage accounts information registered in system.
* WRITE_CONTACTS, READ_CONTACTS
- To use when syncing the user's contacts to server
* WRITE_CALENDAR, READ_CALENDAR
- To use when syncing the user's calendar to server
* CAMERA:
- To scan QR code for Entrust Smart Credentials
** Available Android
- Android 4.1 (Jelly Bean) and above
** Note
- Nine is not cloud based. It stores your accounts’ passwords only on the actual device. It connects only to the actual mail servers. It stores your messages only on the device.
- Nine uses the Device Administrator permission.
** Support
- If you have a question or a special request, just send an email to support@9folders.com and we will get back to you as soon as we can.
Comparable Android apps
The five apps in Business with the closest revenue to Nine - Email & Calendar. Click any to see its detail page.
Each forecast combines App Store rating, ratings count, monetisation model, pricing tier, IAP signals and ad-supported flag.
The base estimate is then multiplied by a per-category scaling factor learned from apps with founder-verified MRR.
Every number on this page comes from public APIs and bumetric's own snapshot history.
Full methodology covers input variables, accuracy bands per category and how we treat apps without comparable anchors.
See also the live data on Nine - Email & Calendar's tracker page for current rating, reviews and snapshot timeline.
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