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Updated July 2026 · real, multi-region App Store reviews
Head-to-head

Microsoft OneNote vs Microsoft Outlook

Microsoft OneNote 4.7★ · Free + IAP 60
Winner Microsoft Outlook
Microsoft Outlook 4.8★ · Free to download 85

Microsoft Outlook is the stronger choice for reliable communication and organization, despite some recent complaints, while Microsoft OneNote struggles with persistent bugs and syncing issues.

Full reviews: Microsoft OneNote · Microsoft Outlook

Microsoft Outlook generally provides a reliable and efficient email and calendar experience, essential for both work and personal use, though some users report recent notification and ad issues. Microsoft OneNote, while praised for its organizational capabilities, is frequently plagued by crashing, syncing problems, and a lack of advanced features on mobile platforms.

Head to head

Features and Organization edge: Microsoft OneNoteR2R8R11R12
Microsoft OneNote OneNote is highly valued for its robust organizational structure, allowing users to keep notes, pictures, and screenshots in a single, well-categorized notebook system, which many find indispensable for work and personal life R2R8R11. However, some users desire more advanced features from the desktop version on mobile , wish for better integration with other apps R12, and find the inability to easily change font size or use bold/underline without rotating the screen frustrating .
Microsoft Outlook Outlook is praised for its comprehensive features for managing emails and calendars, with users finding it very good for work and personal addresses . Its file structure and rule function are appreciated for organizing inboxes . Some users, however, dislike the integrated Copilot and the automatic filtering that can make emails seem to go missing .
Ease of Use edge: Microsoft OutlookR5R10R15R17
Microsoft OneNote Many OneNote users find it easy and simple for quick notes, lists, and daily jotting R5R17. However, a significant number of users find it confusing, overly complicated, and difficult to navigate, especially when trying to alphabetize notes, delete them, or create new notebooks R10. The dictation feature is also criticized for being awful and inaccurate R15.
Microsoft Outlook Outlook is widely considered easy to use, simple, efficient, and reliable . Users appreciate its smooth operation and good layout compared to other email apps . Some find it confusing due to automatic filtering and others struggle with a new, less intuitive interface after updates .
Reliability and Performance edge: Microsoft OutlookR1R3R6R9
Microsoft OneNote OneNote suffers from frequent and severe reliability issues, with many users reporting crashes while typing R1R6R28R30, lagging R28, and notes not syncing or transferring between devices R3R22R43R49. Bugs like the cursor jumping R9, text editor pop-ups with Apple Pencil , and search not working properly R6 are also common.
Microsoft Outlook Outlook is generally seen as reliable, efficient, and without glitches or delays . However, recent reviews highlight significant reliability issues, including notifications being broken or unreliable R73R75, calendar entries not syncing , slow email downloads R73, and occasional crashes R73.
Price/Value tieR8R16R37R40
Microsoft OneNote OneNote is a free app with in-app purchases. Some users find it so valuable they would pay for it R8. However, the frequent bugs and performance issues detract from its perceived value, especially when it prevents basic usage R16R37R40.
Microsoft Outlook Outlook is free to download and use, with its value often tied to its integration with Microsoft 365. Recent complaints about ads appearing in the inbox R67R79 and unmovable pop-ups negatively impact its value proposition for some users, despite its overall utility.
Pick Microsoft OneNote if

Pick Microsoft OneNote if you prioritize a highly organized, free-form note-taking experience that allows for drawing, typing, and inserting pictures in a structured notebook format, and you are willing to contend with frequent bugs and syncing issues R2R8R11.

Pick Microsoft Outlook if

Pick Microsoft Outlook if you need a generally reliable and efficient email and calendar management tool for both professional and personal use, appreciate a good layout, and value its integration with other Microsoft services, even with the possibility of occasional notification or ad annoyances .

Evidence note: Both apps have a high lifetime rating, but recent reviews for OneNote show a strong negative skew, with many 1-star ratings citing critical bugs and performance issues. Outlook also has some recent negative reviews, particularly regarding notifications and ads, but its overall positive sentiment in recent reviews is much higher than OneNote's.

Frequently asked

Does Microsoft OneNote have syncing issues?
Yes, Microsoft OneNote frequently experiences syncing issues, with users reporting that notes do not generate or show automatically across devices, notes do not transfer to new phones, and page conflicts occur even when using a single device R3R22R43R49.
Is Microsoft Outlook reliable for notifications?
Microsoft Outlook's notifications are reported to be unreliable, with users stating they sometimes work but often don't, even after adjusting settings, and notifications can disappear from the lock screen almost immediately R73R75.
Are there ads in Microsoft Outlook?
Yes, some users report that ads have been integrated into the mail system, appearing as the top email in their inbox, which has led some to consider switching to other email providers R67R79.
Does Microsoft OneNote crash frequently?
Yes, Microsoft OneNote is reported to crash frequently, particularly since recent updates, with users experiencing crashes every few minutes while typing notes, or when using text boxes R1R6R28R30.

What reviewers actually said

Built only from these 110 real reviews (foreign ones translated). Superscripts jump to the quote here. Apple has no per-review links, so [ref] opens that app's reviews on the App Store.

  1. [R2] Microsoft OneNote 5/5 · US Life changing: I use for every note during business interactions to the point I am paperless now
  2. [R8] Microsoft OneNote 5/5 · US Fricking organized: Amazing organization would pay for
  3. [R11] Microsoft OneNote 5/5 · US Invaluable: I use OneNote to keep anything I’m going to need to access. Camping reservation. Vet reports for my dogs so prove vaccinations. Gardening ideas. It is available everywhere - laptop, phone, or iPad.
  4. [R12] Microsoft OneNote 3/5 · US Let me export or connect: I have several databases I need to integrate or share information with. I need ability to export or share with other apps.
  5. [R5] Microsoft OneNote 5/5 · US Easy cheesy!: I live one note for quick things I think of and making lists!
  6. [R10] Microsoft OneNote 1/5 · US Not easy to use: You can’t even alphabetize notes, really?
  7. [R15] Microsoft OneNote 3/5 · US Shpeek2tekz_offal: Your speak to text dictation is awful. It seems 5 to 10% of the time. No sentence. Makes any sense because you pick words that no one would use in a train of thought. and if you make any pauses while you’re thinking and talking, then who knows what kind of punctuation will be splattered throughout the sentences and paragraphs
  8. [R17] Microsoft OneNote 5/5 · US Simple; Helpful: Using this app after prolonged inactivity. Useful for daily jotting notes!!
  9. [R1] Microsoft OneNote 1/5 · US Keeps crashing while typing notes: Since the last major update, OneNote crashes every few minutes while I an authoring notes.
  10. [R3] Microsoft OneNote 3/5 · US Lost: My notes don’t generate or show automatically I need go to recents, if I do an update on my desktop and it doesn’t generate on my app and vise versa
  11. [R6] Microsoft OneNote 3/5 · US This is my memory in the cloud: Updated: 2026-06-10 - The search is still bugged: doesn’t show that it is still searching for the search term - it just looks like it stopped looking. Not improved since my last update. Updated: 2021-11-19 - Still mostly great! But the search feature on this app still only brings you to the page versus the exact location of the word. Updated: 2018-06-16 - the m
  12. [R9] Microsoft OneNote 3/5 · US Last Update: This is my go to app for a lot of my life and I normally love it and would give it 5 stars. But since the last update, it has not preformed well. The cursor jumps to random spots causing my new information to insert into previously existing information. With my understanding that I am using this app on an Apple product, it does move fluidly. When trying to copy it either highlight
  13. [R16] Microsoft OneNote 1/5 · US Let me use it first: Can’t use app because this survey pops up every 10 seconds
  14. [R37] Microsoft OneNote 1/5 · US Bugs: They big you a lot for reviews
  15. [R40] Microsoft OneNote 1/5 · US Never worked: It doesn’t work. I downloaded it. Opened it and kept getting error messages. Waste of time.
  16. [R22] Microsoft OneNote 1/5 · US New Phone: I recently went to a new phone but my notes did not transfer. I can not find a good place to be able to fix that.
  17. [R43] Microsoft OneNote 1/5 · US Personal & business accounts & computer v iPad dont synch: Always have issues a OneNote
  18. [R49] Microsoft OneNote 1/5 · GB Page conflict: March 2026. Page conflicts are getting ever more common. Today, with all notebooks in other devices up to date and switched off, I start a new page on my phone. Add some text. Switch apps, return, Page conflict. It’s happening all the time. A page conflict happening with its with itself?? Then I open two devices on the same we network and watch the sync. It takes 30 second
  19. [R73] Microsoft Outlook 1/5 · GB Too slow: Far too slow downloading emails, constantly crashing and still no notifications or sound alerts
  20. [R75] Microsoft Outlook 1/5 · GB Notifications broken!: Notifications are extremely unreliable. Sometimes they work, but most of the time they don't. Even after adding the app to my Focus exception list, I still don't receive notifications for new emails. And even when I do receive a notification, it disappears from the lock screen almost immediately, making it easy to miss. An email app without dependable notifications defeats i
  21. [R67] Microsoft Outlook 1/5 · GB Top email in my inbox is an ad: Why is the top email in my inbox now an ad. This has ruined outlook so am now moving away from them to Gmail.
  22. [R79] Microsoft Outlook 1/5 · GB Adds: You have integrated adds even i to mail system. The whole world is full of adds. If I see an add of a company I avoid it at all costs! You are terrible
  23. [R28] Microsoft OneNote 2/5 · US It keeps crashing and lagging: The maintenance gets worse since 2023. This needs to get fixed asap. It’s slow and crashes
  24. [R30] Microsoft OneNote 3/5 · GB Oneonote: It’s good for storing classes materials in but text box’s make me crashout

Synthesized from 110 recent App Store reviews · updated July 2026 · View on the App Store