Claude by Anthropic vs RTB2 – Respiratory Reference
Side-by-side comparison on App Store — Updated 2026
| Metric | Claude by Anthropic | RTB2 – Respiratory Reference |
|---|---|---|
| Developer | Anthropic PBC | BByte Techworks LLC |
| Rating | 4.7★ | — |
| Reviews | 71.6K | — |
| Installs | — | — |
| Price | Free | USD2.99 |
| In-App Purchases | Yes (4 items) | No |
| Best Rank | #2 | #10 |
| Content Rating | 17+ | — |
| Last Updated | 2026-03-10 | — |
Claude by Anthropic vs RTB2 – Respiratory Reference: Overview
Claude by Anthropic and RTB2 – Respiratory Reference are both GAMES apps available on the App Store. In terms of rankings, Claude by Anthropic reaches #2 and RTB2 – Respiratory Reference reaches #10 in the GAMES charts. Claude by Anthropic offers 4 in-app purchases, while RTB2 – Respiratory Reference offers 1 in-app purchases.
Frequently Asked Questions
Which is better, Claude by Anthropic or RTB2 – Respiratory Reference?
Both Claude by Anthropic and RTB2 – Respiratory Reference are popular apps in the GAMES category. The best choice depends on your specific needs.
Is Claude by Anthropic or RTB2 – Respiratory Reference more popular?
Claude by Anthropic has more reviews (71.6K) compared to RTB2 – Respiratory Reference (0), suggesting it is more widely used.
Are Claude by Anthropic and RTB2 – Respiratory Reference free?
Claude by Anthropic is free with in-app purchases. RTB2 – Respiratory Reference is USD2.99. View IAP prices.
What category are Claude by Anthropic and RTB2 – Respiratory Reference in?
Both apps are in the GAMES category on App Store. See the full GAMES category report.