ChatGPT vs Microsoft Outlook
Side-by-side comparison on App Store — Updated 2026
| Metric | ChatGPT | Microsoft Outlook |
|---|---|---|
| Developer | OpenAI OpCo, LLC | Microsoft Corporation |
| Rating | 4.8★ | 4.8★ |
| Reviews | 6.1M | 8.7M |
| Installs | — | — |
| Price | Free | Free |
| In-App Purchases | No | No |
| Best Rank | #1 | #18 |
| Content Rating | 12+ | 4+ |
| Last Updated | 2026-03-10 | 2026-03-11 |
ChatGPT vs Microsoft Outlook: Overview
ChatGPT and Microsoft Outlook are both BUSINESS apps available on the App Store. ChatGPT has a 4.8-star rating from 6.1M reviews, while Microsoft Outlook has 4.8 stars from 8.7M reviews. In terms of rankings, ChatGPT reaches #1 and Microsoft Outlook reaches #18 in the BUSINESS charts. ChatGPT offers 5 in-app purchases, while Microsoft Outlook offers no in-app purchases.
Frequently Asked Questions
Which is better, ChatGPT or Microsoft Outlook?
Based on user ratings, ChatGPT (4.8★) is rated higher than Microsoft Outlook (4.8★). However, the best choice depends on your specific needs.
Is ChatGPT or Microsoft Outlook more popular?
Microsoft Outlook has more reviews (8.7M) compared to ChatGPT (6.1M), suggesting it is more widely used.
Are ChatGPT and Microsoft Outlook free?
ChatGPT is free. Microsoft Outlook is free.
What category are ChatGPT and Microsoft Outlook in?
Both apps are in the BUSINESS category on App Store. See the full BUSINESS category report.