# P21 vs Smart Phonics Readers1

The clearest difference is update cadence: Smart Phonics Readers1 at fortnightly against P21's every 6 weeks. On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for P21 against 5.0 for Smart Phonics Readers1. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

P21 ships an update every 6 weeks, Smart Phonics Readers1 fortnightly. The most recent releases landed on September 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | P21 | Smart Phonics Readers1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/p21/id1453823561/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/smart-phonics-readers1/id1546701406/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 226 MB | 655 MB |
| Requires iOS | **11.0** | 12.0 |
| 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 Readers1

[App page](https://appshunter.io/ios/app/smart-phonics-readers1/id1546701406)

This educational app complements a phonics reading series with interactive digital content. It features animations, audio, flashcards, and word games to help young learners review phonics rules through engaging stories. The content is designed to be level-appropriate and fun.

**Highlights:** Animations, Audio tracks, Flashcards, Word games, Phonics rule review, Interactive stories

**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 Readers1 free?

Smart Phonics Readers1 is free to download, with no in-app purchases.

### Which has better reviews, P21 or Smart Phonics Readers1?

P21 and Smart Phonics Readers1 are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do P21 or Smart Phonics Readers1 have ads?

Neither P21 nor Smart Phonics Readers1 shows ads.

### Which is updated more often, P21 or Smart Phonics Readers1?

P21 ships an update every 6 weeks, and Smart Phonics Readers1 fortnightly. Most recently, P21 was updated on September 28, 2026 and Smart Phonics Readers1 on October 24, 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.*