# Sudoku School! vs Phonogram Sounds

The clearest difference is in-app purchases: Phonogram Sounds at none against Sudoku School!'s 2. Sudoku School!'s advantage is rating (4.4 vs 4.0) and review sentiment (84% vs 70%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sudoku School! sells 2 one-off in-app purchases. Phonogram Sounds asks for nothing beyond the download.

Sudoku School! holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Sudoku School! has 430 ratings behind it against 84, so its average is the more settled of the two. Written reviews point the same way: 84% of Sudoku School!'s written reviews are positive against 70% of Phonogram Sounds's.

Sudoku School! ships an update every 7 months, Phonogram Sounds every 6 months. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Sudoku School! | Phonogram Sounds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (430 ratings)](https://appshunter.io/ios/app/sudoku-school/id441158805/reviews)** | [4.0 (84 ratings)](https://appshunter.io/ios/app/phonogram-sounds/id797098295/reviews) |
| Number of ratings | **430** | 84 |
| Positive reviews | **84.1% of reviews** | 69.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 25 MB | 27 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sarah Pierce](https://appshunter.io/developer/406813189) | [All About Learning Press, Inc.](https://appshunter.io/developer/786428125) |

## What reviewers say

### Sudoku School!

[App page](https://appshunter.io/ios/app/sudoku-school/id441158805)

This app teaches children and beginners how to play Sudoku with simplified 4x4 and 6x6 puzzles. It offers in-game help, colored tiles for easier recognition, and ten difficulty levels to accommodate growing skills. Multiple user accounts and a trophy system encourage progress.

**Highlights:** 4x4 and 6x6 Sudoku puzzles, In-game rule explanations, Colored tiles for beginners, Ten difficulty levels, Multiple user accounts, Trophy wall for progress

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4x4 puzzle pack | $0.99 | one-time |
| 6x6 puzzle pack | $0.99 | one-time |

**What reviewers like**

- 👍 Easy to learn
- 🤩 Fun and addictive
- 🧠 Helps develop logic skills
- 🎨 Colorful and visually appealing
- 👨‍👧‍👦 Great for kids and beginners

**What reviewers complain about**

- 💰 Limited free content, need to pay to unlock more
- 🔒 Locked levels restrict full access
- 🙄 Only 2 free puzzles per difficulty level

**Reported bugs**

- Tiles sometimes lock up and can't be moved
- No win acknowledgment after completing puzzles

**Requested features**

- Unlock all levels for free
- Provide more free puzzles
- Add daily free puzzle challenges


### Phonogram Sounds

[App page](https://appshunter.io/ios/app/phonogram-sounds/id797098295)

This interactive app provides clear audio pronunciations for letter sounds and combinations, featuring all 72 basic phonograms from a popular language arts curriculum. It's designed to support reading and spelling development for learners of all ages.

**Highlights:** Hear correct pronunciation of sounds, Clear enunciation of letters and combinations, Includes all 72 basic phonograms, Supports reading and spelling skills, Interactive learning experience

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great supplement for AAS/AAR
- 👍 Helpful for parents/teachers
- 👍 Easy to use
- 👍 Clear phonetic sounds
- 👍 Good for practice

**What reviewers complain about**

- 👎 Incorrect 'r' sound
- 👎 Incomplete phonogram set
- 👎 Not a standalone lesson
- 👎 Not for fun
- 👎 Missing Spalding compatibility

**Reported bugs**

- R says /er/ instead of /r/
- Sound not working
- App crashes
- No sound when tapping phonograms
- Sound only works with ringer on

**Requested features**

- Videos showing lip/tongue placement
- Interactive game app
- App for building words/movable tiles
- Level-based sound availability
- Enlarging tapped tile


## Frequently asked questions

### Is Sudoku School! free?

Sudoku School! is free to download, with in-app purchases available.

### Is Phonogram Sounds free?

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

### Which has better reviews, Sudoku School! or Phonogram Sounds?

Sudoku School! is rated higher. Sudoku School! averages 4.4 out of 5 from 430 ratings, while Phonogram Sounds averages 4.0 from 84 ratings.

### Do Sudoku School! or Phonogram Sounds have ads?

Neither Sudoku School! nor Phonogram Sounds shows ads.

### Which is updated more often, Sudoku School! or Phonogram Sounds?

Sudoku School! ships an update every 7 months, and Phonogram Sounds every 6 months. Most recently, Sudoku School! was updated on October 23, 2026 and Phonogram Sounds on October 20, 2026.

---

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