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Screenshots

  • P21 screenshot 1
  • P21 screenshot 2
  • P21 screenshot 3
  • P21 screenshot 4

About P21

P21 is a four-level phonics series for young learners. With the P21 App, you can listen to audio tracks from the P21 student books, watch videos in each unit, review keywords with flashcards, and play interesting phonics games. It contains all of the resources you need when learning phonics using the P21 series. Through the P21 series, children are able to build solid foundations in phonological awareness, oral language, phonics, reading, and spelling. The Alphabet, Short Vowels and Special Letters, Long Vowels and Blends, and Controlled Vowels and Digraphs are covered in the series. With P21 and the P21 App, your 21st century kids will become experts in the sounds of English.

What’s new

Version 1.48 · Updated February 4, 2026

bug fix

App privacy

The developer, CAVES BOOKS LTD., reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Contact Info: Email Address

Used for: App Functionality

Alternatives to P21

Looking for apps like P21? Here are 6 similar apps on the App Store. The highest rated is Smart Phonics 3rd 4 (3.0/5), and all 6 are free to download.

P21 vs. alternatives
App Rating Price Last updated Compare
P21 5.0 / 5 (1 rating) Free February 4, 2026
Spotlight on Phonics – Free Jun 11, 2026 Compare
Smart Phonics 3rd 5 – Free Dec 1, 2023 Compare
Sunshine Phonics – Free Jul 31, 2025 Compare
Smart Phonics 3rd 4 3.0 / 5 (1) Free Feb 4, 2025 Compare
Smart Phonics 3rd 3 – Free Dec 1, 2023 Compare
School Phonics 1.0 / 5 (1) Free Sep 26, 2024 Compare

Compare P21 with the top alternatives: ratings, updates, ASO score and keyword gaps →