Best Onelook Apps

246+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated September 2026

Microsoft Outlook is the household name in onelook, but it's far from the only option. We track 246+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Onelook Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Microsoft OutlookMicrosoft OutlookFree4.8★ (9.3M)YesYesSep 2026
2OneLook ThesaurusOneLook ThesaurusFree3.9★ (21)NoYesSep 2026
3Microsoft OneDriveMicrosoft OneDriveFree4.7★ (488K)NoYesSep 2026
4ABUS OneLookABUS OneLookFree—NoNoAug 2026
5OneLook Productions Inc.OneLook Productions Inc.Free—NoNoMay 2026
6Microsoft OneNoteMicrosoft OneNoteFree4.7★ (1.1M)NoYesSep 2026
7Email for Hotmail & OutlookEmail for Hotmail & OutlookFree4.1★ (2.9K)NoYesSep 2026
8MailMailFree4.6★ (4.4M)NoNoSep 2026

Top Picks for Onelook

Microsoft Outlook#1

Microsoft Outlook by Microsoft Corporation

Secure Email, Calendar & Files
Editor's Choice
📊 Productivity
4.8😐(9.3M ratings)
FreeAdsIn-App Purchases
#13in Productivity
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Consolidate all your email accounts and calendars into one streamlined application. Manage your inbox, schedule meetings, and access files from various cloud services. Enhance productivity with AI-powered writing assistance and smart inbox features.

What We Love

  • 🚀 Great for corporate email
  • 👍 Customizable and user-friendly
  • 🚀 Seamless integration with Microsoft 365
  • 👍 Solid email and calendar functionality

Room to Improve

  • 🐛 Buggy and unstable at times
  • 🔋 High battery consumption
  • 🔒 Security issues with password resets
  • 👎 Limited file attachment options
OneLook Thesaurus#2

OneLook Thesaurus by Datamuse Corporation

Find the right word fast
Strong Contender
🔍 Reference
3.9(21 ratings)
FreeIn-App Purchases
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This app helps writers find the perfect word or phrase quickly. It offers advanced search features, custom keyboard integration, and speech input for effortless word discovery. Ideal for creative writing, word games, and expanding vocabulary.

Microsoft OneDrive#3

Microsoft OneDrive by Microsoft Corporation

File & photo cloud storage
Worth Considering
📊 Productivity
4.7😐(488K ratings)
FreeIn-App Purchases
#18in Productivity
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Securely store, back up, and sync your photos, videos, and files across all your devices. Share content with others, scan documents, and access files offline. Offers free storage with options to upgrade for more space and premium features.

What We Love

  • 🚀 Seamless syncing across devices
  • 💡 Useful for storing and accessing files
  • 🔒 Secure cloud storage
  • 👍 Great integration with Microsoft Office
  • 🚀 Fast uploads and downloads

Room to Improve

  • 🐛 Unreliable app performance
  • 🐛 Issues with photo/video uploads
  • 🐛 Buggy PDF annotation tools
  • 🐛 Inconsistent user experience across platforms
  • 🔋 High battery drain

More Onelook apps to explore

FAQ about Onelook

What are the best onelook apps for iPhone?
Microsoft Outlook tops our onelook apps ranking as of September 2026, with a 4.8-star average from 9.3M App Store ratings, and it's free to download.
Yes — 20 of the top onelook apps we rank are free to download, including Microsoft Outlook and OneLook Thesaurus.
Microsoft Outlook shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 246+ onelook apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This application consolidates all your email accounts and calendars into a single, convenient location. It helps you manage your inbox, schedule meetings, and access files from various cloud storage services. The app also offers AI-powered features to enhance productivity, such as summarizing long email threads and assisting with writing.
Key features include a smart inbox that sorts messages, quick swipe actions for managing emails, easy sharing of meeting availability, and the ability to find contacts and trips. You can also view and attach files from services like OneDrive and Dropbox without downloading them, and edit Office documents directly within the app.

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