# P21 vs Smart Phonics 3rd 1

The clearest difference is rating: P21 at 5.0 against Smart Phonics 3rd 1's 2.0. Smart Phonics 3rd 1's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

P21 holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

P21 ships an update every 6 weeks, Smart Phonics 3rd 1 every 2 weeks. The most recent releases landed on September 28, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | P21 | Smart Phonics 3rd 1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/p21/id1453823561/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/smart-phonics-3rd-1/id6469031208/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 5.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 226 MB | 1.6 GB |
| Requires iOS | 11.0 | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CAVES BOOKS LTD.](https://appshunter.io/developer/547924599) | [e-future Co., Ltd.](https://appshunter.io/developer/522346678) |

## What reviewers say

### P21

[App page](https://appshunter.io/ios/app/p21/id1453823561)

This educational app supports a four-level phonics series for young learners. It offers audio tracks, videos, flashcards, and games to help children build foundational skills in phonological awareness, reading, and spelling.

**Highlights:** Audio tracks from student books, Educational videos, Keyword flashcards, Phonics games, Progress tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Phonics 3rd 1

[App page](https://appshunter.io/ios/app/smart-phonics-3rd-1/id6469031208)

This app makes learning phonics engaging and accessible through a variety of interactive materials. It offers AI-powered speaking practice, animated songs and stories, and a collection of games and flashcards to build essential English literacy skills.

**Highlights:** AI-powered phonics speaking practice, Animated chants, songs, and stories, Flashcards and practice games, Class audio files, QR code download

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is P21 free?

P21 is free to download, with no in-app purchases.

### Is Smart Phonics 3rd 1 free?

Smart Phonics 3rd 1 is free to download, with no in-app purchases.

### Which has better reviews, P21 or Smart Phonics 3rd 1?

P21 is rated higher. P21 averages 5.0 out of 5 from 1 ratings, while Smart Phonics 3rd 1 averages 2.0 from 1 ratings.

### Do P21 or Smart Phonics 3rd 1 have ads?

Neither P21 nor Smart Phonics 3rd 1 shows ads.

### Which is updated more often, P21 or Smart Phonics 3rd 1?

P21 ships an update every 6 weeks, and Smart Phonics 3rd 1 every 2 weeks. Most recently, P21 was updated on September 28, 2026 and Smart Phonics 3rd 1 on October 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*