# Pattern Sets vs LetterSchool

The clearest difference is rating: Pattern Sets at 5.0 against LetterSchool's 4.5. Pattern Sets also leads on in-app purchases (none vs 14) and iOS requirement (10.0 vs 15.0). LetterSchool's advantage is ratings volume (17K vs 1) and update cadence (every 2 months vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. LetterSchool sells 14 in-app purchases, starting at $4.99 per month. Pattern Sets asks for nothing beyond the download.

Pattern Sets holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: LetterSchool has 17K ratings behind it against 1, so its average is the more settled of the two.

Pattern Sets ships an update every 7 months, LetterSchool every 2 months. The most recent releases landed on September 24, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Pattern Sets | LetterSchool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pattern-sets/id415152649/reviews)** | [4.5 (17K ratings)](https://appshunter.io/ios/app/letterschool-learn-to-write/id481067676/reviews) |
| Number of ratings | 1 | **17K** |
| Positive reviews | — | 54.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 38 MB | 156 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Classroom Focused Software](https://appshunter.io/developer/406741679) | [Letterschool Enabling Learning B.V.](https://appshunter.io/developer/1133082101) |

## What reviewers say

### Pattern Sets

[App page](https://appshunter.io/ios/app/pattern-sets/id415152649)

This app helps young learners develop number sense by practicing subitizing, the ability to quickly recognize quantities without counting. It features various dot patterns, dice patterns, and 10-frames for practice, with adjustable settings for exposure time and quantity range.

**Highlights:** Subitizing practice, Dot patterns, Dice patterns, 10-frames, Adjustable time and quantity, Two-color patterns

**Features:** macOS Compatibility

**In-app purchases:** none


### LetterSchool

[App page](https://appshunter.io/ios/app/letterschool-learn-to-write/id481067676)

This app helps young children learn to write letters, numbers, and shapes through interactive tracing and engaging animations. It offers progress tracking and is designed by educational professionals to be safe and fun for toddlers and preschoolers.

**Highlights:** Block and cursive letter tracing, Uppercase and lowercase letters, Numbers 1-10 tracing, Geometric shape tracing, Progress tracking for multiple players, Interactive animations and sound effects, CVC, CVCC, and long sound word practice

**Features:** macOS Compatibility

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access Pass | $4.99 | per month |
| LetterSchool - Monthly Pass | $9.99 | per month |
| Monthly Access Pass | $9.99 | per month |
| Quarterly Access Pass | $12.99 | per 3 months |
| LetterSchool - Monthly Pass | $14.99 | per month |
| Quarterly Access Pass | $19.99 | per 3 months |
| Annual Access Pass | $44.99 | per year |
| LetterSchool - Annual Pass | $59.99 | per year |
| Yearly Access Pass | $59.99 | per year |
| LetterSchool - Annual Pass | $74.99 | per year |
| Unlock All Shapes | $2.99 | one-time |
| Unlock Full Block Alphabet | $6.99 | one-time |
| Unlock Full Cursive Alphabet | $6.99 | one-time |
| All-in-one Package | $79.99 | one-time |

**What reviewers like**

- 👍 Engaging and interactive
- 🚀 Helps improve handwriting
- 💡 Supports multiple writing styles (print, cursive, d'nealian)
- 👍 Motivating with rewards and animations
- 👍 Useful for children with learning challenges

**What reviewers complain about**

- 🐛 Subscription issues (app reverts to lite version, need to restore purchases)
- 🐛 Glitches and crashes (especially with Dari letters)
- 💰 Expensive subscription model
- 🔍 Limited free version
- 🔍 Inconsistent letter formation (not aligned with school standards)

**Reported bugs**

- Dari letter (پ) keeps glitching
- Subscription issues (app reverts to lite version, need to restore purchases)
- Incompatibility with older devices
- Login screen freezes

**Requested features**

- Add more languages (Russian, Serbian, Thai, Korean, Hebrew, Hindi, etc.)
- Allow creating custom words/names to practice
- Improve letter sound pronunciations
- Add more visual options (fonts, themes, etc.)
- Integrate with International Phonetic Alphabet


## Frequently asked questions

### Is Pattern Sets free?

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

### Is LetterSchool free?

LetterSchool is free to download, with in-app purchases available.

### Which has better reviews, Pattern Sets or LetterSchool?

Pattern Sets is rated higher. Pattern Sets averages 5.0 out of 5 from 1 ratings, while LetterSchool averages 4.5 from 17K ratings.

### Do Pattern Sets or LetterSchool have ads?

Neither Pattern Sets nor LetterSchool shows ads.

### Which is updated more often, Pattern Sets or LetterSchool?

Pattern Sets ships an update every 7 months, and LetterSchool every 2 months. Most recently, Pattern Sets was updated on September 24, 2026 and LetterSchool on October 2, 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.*