Substack vs ChatGPT
Side-by-side comparison on App Store — Updated 2026
Substack
VS
ChatGPT
| Metric | Substack | ChatGPT |
|---|---|---|
| Developer | Substack, Inc. | OpenAI OpCo, LLC |
| Rating | 4.9★ | 4.8★ |
| Reviews | 404.3K | 6.1M |
| Installs | — | — |
| Price | Free | Free |
| In-App Purchases | No | No |
| Best Rank | #2 | #1 |
| Content Rating | 17+ | 12+ |
| Last Updated | 2026-03-09 | 2026-03-10 |
Substack vs ChatGPT: Overview
Substack and ChatGPT are both News apps available on the App Store. Substack has a 4.9-star rating from 404.3K reviews, while ChatGPT has 4.8 stars from 6.1M reviews. In terms of rankings, Substack reaches #2 and ChatGPT reaches #1 in the News charts. Substack offers no in-app purchases, while ChatGPT offers 5 in-app purchases.
Frequently Asked Questions
Which is better, Substack or ChatGPT?
Based on user ratings, Substack (4.9★) is rated higher than ChatGPT (4.8★). However, the best choice depends on your specific needs.
Is Substack or ChatGPT more popular?
ChatGPT has more reviews (6.1M) compared to Substack (404.3K), suggesting it is more widely used.
Are Substack and ChatGPT free?
Substack is free. ChatGPT is free.
What category are Substack and ChatGPT in?
Both apps are in the News category on App Store. See the full News category report.