Instant ECG - Mastery of EKG vs Shadowrocket
Side-by-side comparison on App Store — Updated 2026
| Metric | Instant ECG - Mastery of EKG | Shadowrocket |
|---|---|---|
| Developer | iAnesthesia LLC | Shadow Launch Technology Limited |
| Rating | 4.0★ | 4.5★ |
| Reviews | 511 | 11.4K |
| Installs | — | — |
| Price | $5.99 | $2.99 |
| In-App Purchases | No | No |
| Best Rank | #30 | #1 |
| Content Rating | 17+ | 4+ |
| Last Updated | 2019-08-27 | 2026-02-19 |
Instant ECG - Mastery of EKG vs Shadowrocket: Overview
Instant ECG - Mastery of EKG and Shadowrocket are both MEDICAL apps available on the App Store. Instant ECG - Mastery of EKG has a 4.0-star rating from 511 reviews, while Shadowrocket has 4.5 stars from 11.4K reviews. In terms of rankings, Instant ECG - Mastery of EKG reaches #30 and Shadowrocket reaches #1 in the MEDICAL charts.
Frequently Asked Questions
Which is better, Instant ECG - Mastery of EKG or Shadowrocket?
Based on user ratings, Shadowrocket (4.5★) is rated higher than Instant ECG - Mastery of EKG (4.0★). However, the best choice depends on your specific needs.
Is Instant ECG - Mastery of EKG or Shadowrocket more popular?
Shadowrocket has more reviews (11.4K) compared to Instant ECG - Mastery of EKG (511), suggesting it is more widely used.
Are Instant ECG - Mastery of EKG and Shadowrocket free?
Instant ECG - Mastery of EKG is $5.99. Shadowrocket is $2.99.0
What category are Instant ECG - Mastery of EKG and Shadowrocket in?
Both apps are in the MEDICAL category on App Store. See the full MEDICAL category report.