Train of Four
Train of Four generates an estimated $0/month in revenue from 2–9 downloads/month on the App Store, according to AppCurrents estimates (updated 2026-06-17).
| Est. revenue / month | $0 |
|---|---|
| Est. downloads / month | 2–9 |
| Estimate confidence | medium |
| Pricing | Free |
| Rating | 4.75 ★ (4 ratings) |
| Category | Education |
| Released | 20.08.2015 |
| App last updated | 20.08.2015 |
| Platform | iOS |
Modeled monthly estimate · rating velocity · medium confidence
About
During administration of general anesthesia, neuromuscular blockade is best measured with a train-of-four (TOF) ratio technique, which utilizes a nerve stimulator and a measurement device, such as mechanomyography. During TOF stimulation, the nerve stimulator causes a short burst for four muscle twitches. The force of each twitch is related to the degree of neuromuscular blockade. By dividing 4th…
Trends & analysis
Chart rank trend
US · overallWhy it's surfacing
Scout 5Ratings & velocity
Rating distribution
100% positive · 4 ratingsGeographic reach
best rank · 0 storefrontsRevenue & downloads trend
ARPU $0Update history
1 update tracked- v1.010.8y ago
This update from Apple will improve the functionality of this app. No new features are included.
Train of Four — FAQ
How many downloads does Train of Four get?
Train of Four sees an estimated 2–9 downloads per month on the App Store, per AppCurrents modeling.
Is Train of Four free?
Train of Four is free to download on the App Store, with no in-app purchases detected.
What is Train of Four's rating?
Train of Four holds a 4.75-star average from 4 ratings on the App Store.
When was Train of Four released?
Train of Four launched on the App Store on 20.08.2015. Its latest version shipped 20.08.2015.