About this app
The sampling calculator conforms to ANSI/ASQ Z1.4 2013 and MIL-STD-105E Standards. NOTE: This calculator may be used as an aid to faster calculate the sampling plan needed, and always in conjunction or with the basic knowledge of the ANSI/ASQ Z1.4 standard. It does not replace the standards mentioned above. The sampling calculator covers single sampling size code letters I, II and III. Normal and Reduced with AQLs from 0.065 to 15. For the Full version of the calculator look for "Sampling Calculator" it contains all 7 code levels and tightened inspection type.
Latest release
What’s New
added link to full version of sampling calculator and update to new swift
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 11, 2026 · 10:32 PM Free