Substack vs Kalshi: Trade Sports & Events
Side-by-side comparison on App Store — Updated 2026
| Metric | Substack | Kalshi: Trade Sports & Events |
|---|---|---|
| Developer | Substack, Inc. | KalshiEX LLC |
| Rating | 4.9★ | 4.7★ |
| Reviews | 404.3K | 70.4K |
| Installs | — | — |
| Price | Free | Free |
| In-App Purchases | Yes (10 items) | No |
| Best Rank | #2 | #8 |
| Content Rating | 17+ | 17+ |
| Last Updated | 2026-03-09 | 2026-03-11 |
Substack vs Kalshi: Trade Sports & Events: Overview
Substack and Kalshi: Trade Sports & Events are both DEVELOPER_TOOLS apps available on the App Store. Substack has a 4.9-star rating from 404.3K reviews, while Kalshi: Trade Sports & Events has 4.7 stars from 70.4K reviews. In terms of rankings, Substack reaches #2 and Kalshi: Trade Sports & Events reaches #8 in the DEVELOPER_TOOLS charts. Substack offers 10 in-app purchases, while Kalshi: Trade Sports & Events offers no in-app purchases.
Frequently Asked Questions
Which is better, Substack or Kalshi: Trade Sports & Events?
Based on user ratings, Substack (4.9★) is rated higher than Kalshi: Trade Sports & Events (4.7★). However, the best choice depends on your specific needs.
Is Substack or Kalshi: Trade Sports & Events more popular?
Substack has more reviews (404.3K) compared to Kalshi: Trade Sports & Events (70.4K), suggesting it is more widely used.
Are Substack and Kalshi: Trade Sports & Events free?
Substack is free with in-app purchases. Kalshi: Trade Sports & Events is free. View IAP prices.
What category are Substack and Kalshi: Trade Sports & Events in?
Both apps are in the DEVELOPER_TOOLS category on App Store. See the full DEVELOPER_TOOLS category report.