Kalshi: Trade Sports & Events vs O2 Buddy: Blood Oxygen SpO2
Side-by-side comparison on App Store — Updated 2026
| Metric | Kalshi: Trade Sports & Events | O2 Buddy: Blood Oxygen SpO2 |
|---|---|---|
| Developer | KalshiEX LLC | Minorbits LLC |
| Rating | 4.7★ | 4.5★ |
| Reviews | 70.4K | 35 |
| Installs | — | — |
| Price | Free | $0.99 |
| In-App Purchases | No | No |
| Best Rank | #7 | #63 |
| Content Rating | 17+ | 4+ |
| Last Updated | 2026-03-11 | 2025-09-06 |
Kalshi: Trade Sports & Events vs O2 Buddy: Blood Oxygen SpO2: Overview
Kalshi: Trade Sports & Events and O2 Buddy: Blood Oxygen SpO2 are both GAMES apps available on the App Store. Kalshi: Trade Sports & Events has a 4.7-star rating from 70.4K reviews, while O2 Buddy: Blood Oxygen SpO2 has 4.5 stars from 35 reviews. In terms of rankings, Kalshi: Trade Sports & Events reaches #7 and O2 Buddy: Blood Oxygen SpO2 reaches #63 in the GAMES charts.
Frequently Asked Questions
Which is better, Kalshi: Trade Sports & Events or O2 Buddy: Blood Oxygen SpO2?
Based on user ratings, Kalshi: Trade Sports & Events (4.7★) is rated higher than O2 Buddy: Blood Oxygen SpO2 (4.5★). However, the best choice depends on your specific needs.
Is Kalshi: Trade Sports & Events or O2 Buddy: Blood Oxygen SpO2 more popular?
Kalshi: Trade Sports & Events has more reviews (70.4K) compared to O2 Buddy: Blood Oxygen SpO2 (35), suggesting it is more widely used.
Are Kalshi: Trade Sports & Events and O2 Buddy: Blood Oxygen SpO2 free?
Kalshi: Trade Sports & Events is free. O2 Buddy: Blood Oxygen SpO2 is $0.99.
What category are Kalshi: Trade Sports & Events and O2 Buddy: Blood Oxygen SpO2 in?
Both apps are in the GAMES category on App Store. See the full GAMES category report.