About this app
Phonics Inventory™ (formerly known as Scholastic Phonics Inventory) remains the same digital assessment tool that measures decoding and sight word reading fluency in fewer than 10 minutes. PI can be used as a universal screener, or placement into a Tier II or III intervention, as well as a progress monitoring tool. NOW our customers can administer PI on iPads to assess foundational reading skills for grades 3 - 12+. With PI, students' accuracy and fluency are measured in less than 10 minutes: 1. Practice tests measure touchscreen speed/ability. 2. Letter recognition assess students' recognition of lower-case letters. 3. Sight word recognition measure students' knowledge of high-frequency sight-words. 4. Non-Word decoding tests assess students' decoding skills. PI is: - A VALIDATED measure of decoding and sight word fluency - fast and scaleable - perfect for RTI PI for iPad is available to all System 44 Next Generation customers.
Latest release
What’s New
Resolves an issue that was preventing some customers from accessing the app.
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 Aug 19, 2026 · 6:12 PM Free