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93
BU Score
Transcendent

Microsoft Outlook

4.8 ✍️ Editor
✍️ bumetric analysis

Microsoft Outlook is an iOS app from Microsoft Corporation in the Productivity category, currently rated 4.8★ across 8,891,395 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.

Our BU Score puts it at 93: Transcendent (category-leading momentum). For a Productivity app, that means category-leading momentum.

Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.

📊 Performance Tracking LIVE

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idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
0
since first record
Range:

💰 Forecast Revenue / mo

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 13 of 13 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
High install base (8,891,395 ratings)METRIC
+$12,000
Paid app ($0.00)METRIC
+$2,800
subscriptionREVIEW
+$2,500
Excellent rating (4.8★)METRIC
+$2,200
5 starREVIEW
+$1,800
cancelledREVIEW
−$1,500
excellent appREVIEW
+$1,500
Mature app (11y old)METRIC
+$1,500
Multilingual (47 languages)METRIC
+$1,500
highly recommendREVIEW
+$1,400
slowREVIEW
−$1,200
free trialREVIEW
+$1,200
support teamREVIEW
+$900
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Jan 26
Feb 26
Mar 26
Apr 26
May 26

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 452 MB🔞 4+📱 iOS 18.0+🔖 v5.2618.0🔄 updated 3d ago🌐 SQ, AM, AR, BG, CA +42📂 Productivity💰 Paid🚀 Launched 2015 (11y old)

📝 About this app

Outlook lets you bring all your email accounts and calendars in one convenient spot. Whether it’s staying on top of your inbox or scheduling the next big thing, we make it easy to be your most productive, organised and connected self.

Here's what you'll love about Outlook for iOS:

- Focus on the right things with our smart inbox - we help you sort between messages you need to act on straight away and everything else.
- Swipe to quickly schedule, delete and archive messages.
- Share your meeting availability with just a tap and easily find times to meet with others.
- Find everything you're looking for, including files, contacts, and your forthcoming trips.
- View and attach any file from your email, OneDrive, Dropbox, and more, without having to download them to your phone.
- Open Word, Excel, or PowerPoint attachments to edit them directly in the corresponding app and attach them back to an email.
- Recap extra-long email threads in an instant with Summarise with Copilot*
- Type a few words to have Copilot* jump-start your writing with an outline or draft
- Before sending off your email, use Coaching with Copilot* to get tips and suggestions that help improve the overall tone, sentiment, and clarity

*Microsoft 365 Personal/Family subscription or business account enabled with Copilot required to use Copilot features

--

Outlook for iOS works with Microsoft Exchange, Office 365, Outlook.com (including Hotmail and MSN), Gmail, Yahoo Email, and iCloud.

--

To make an in-app purchase of a Microsoft 365 Family or Personal subscription, open the app, go to Settings, and tap on Upgrade next to your Outlook.com or Hotmail.com account. Subscriptions begin at $6.99 a month in the US, and can vary by region. With a Microsoft 365 subscription, you get 1TB of storage for each user, access to all features in Word, Excel, and PowerPoint on iPad, iPhone, and iPod touch, and you can install Word, Excel, PowerPoint, Outlook and OneNote on PCs or Macs.

Microsoft 365 subscriptions purchased from the app will be charged to your iTunes account and will automatically renew within 24 hours prior to the end of the current subscription period, unless auto-renewal is disabled beforehand. To manage your subscriptions or to disable auto-renewal, after purchase, go to your iTunes account settings. A subscription cannot be cancelled during the active subscription period. Any unused portion of a free trial period, if offered will be forfeited when the user purchases a subscription to that publication, where applicable.

Privacy and Cookies: https://go.microsoft.com/fwlink/?LinkId=521839
Terms of Use: http://go.microsoft.com/fwlink/?LinkID=530144
Contract Summary: https://www.microsoft.com/microsoft-365/outlook/contract-summary
Consumer Health Data Privacy Policy: https://go.microsoft.com/fwlink/?linkid=2259814

🆕 What's New · v5.2618.0

This update includes performance improvements and bug fixes to make Outlook better for you.

Feel free to send us any comments or questions by going to Settings > Help & Feedback – we’d love to hear from you.

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Microsoft Outlook
Developer
Microsoft Corporation
Bundle ID
com.microsoft.Office.Outlook
App Store URL
Open in App Store
Category
Productivity
Content rating
4+
Languages
SQ, AM, AR, BG, CA, HR, CS, DA, NL, EN, ET, FI, FR, DE, EL, HE, HI, HU, IS, ID, GA, IT, JA, KK, KO, LV, LT, MS, ML, NB, NN, PL, PT, RO, RU, SR, ZH, SK, SL, ES, SV, TH, ZH, TR, UK, UR, VI

Company

Website
Not found
Tagline
Not found
Description
Not found
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
Not found

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
$2.0M ($1.8M – $2.2M)AI medium
AI annual estimate
$24.0M/yr
ML model estimate / mo
$43.6K/mo
Top-grossing rank
🇬🇧#7 /100   🇦🇺#8 /100   🇫🇷#10 /100   🇧🇷#10 /100   🇨🇦#13 /100   🇩🇪#25 /100   🇺🇸#26 /100
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
Not found
GitHub
Not found
X followers
Not found
Public statements
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
Not found
Press / News
Not found

Contacts & Socials

Socials
Not found
Email
Not found
Phone
Not found
Contact page
Not found
About page
Not found
AI Revenue EstimateCONFIDENCE: MEDIUM
The iOS app "Microsoft Outlook" is estimated to generate approximately $2 million in monthly revenue, primarily through in-app purchases of Microsoft 365 subscriptions. This leads to an estimated annual revenue of $24 million.
Sources mentioned: Sensor Tower, Apple App Store, Microsoft Corporation
Recent App Store Reviews49 latest · avg 4.0★ · 69.4% 5★ · 20.4% 1★
5★
34 (69%)
4★
1 (2%)
3★
4 (8%)
2★
0 (0%)
1★
10 (20%)
+0 ratings/week
Praise: great ×7 love ×5 best ×3 amazing ×1 awesome ×1Complaints: broken ×2
Top positive
★★★★★ Martín
escuela17…
★★★★★ Excelente
Me gusta muchomi gente hermosa…
Top negative
★☆☆☆☆ Never Loads
Horrible app never loads, have had it for a while and it sucks now…
★☆☆☆☆ Latest update was pathetic
Focused emails are not going to Other section and vice versa. One of the most horrible updates. Not sure if this update was even tested before launch…
📈Ratings growth8,891,395 ratings+31% lifetimeShow 3-year history estimate ▾May 2023Mar 2025May 2026
Tracked (8 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🗺️Geographic DistributionTop 10Top 30Top 60
GB#7AU#8FR#10BR#10CA#13DE#25US#26IN#29JP#68
🌍Top Countries — Grossing Rank9 countries
🇬🇧GB
#7 /100
🇦🇺AU
#8 /100
🇫🇷FR
#10 /100
🇧🇷BR
#10 /100
🇨🇦CA
#13 /100
🇩🇪DE
#25 /100
🇺🇸US
#26 /100
🇮🇳IN
#29 /100
🇯🇵JP
#68 /100
📊Category Rank Trajectory#7 now · best #7 · worst #100
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.

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Full revenue analysis
Read the article-style breakdown for Microsoft Outlook: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
Read deep-dive →