# LetterWorks vs Cosmo Learning

The clearest difference is review sentiment: LetterWorks at 100% against Cosmo Learning's 33%. LetterWorks also leads on rating (5.0 vs 2.3) and monetization model (free vs free with in-app purchases). Cosmo Learning's advantage is update cadence (weekly vs every 9 months). 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.

LetterWorks holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 100% of LetterWorks's written reviews are positive against 33% of Cosmo Learning's.

LetterWorks ships an update every 9 months, Cosmo Learning weekly. The most recent releases landed on November 1, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | LetterWorks | Cosmo Learning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/letterworks/id735255024/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/cosmo-learning/id1150386521/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 76 MB | 385 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alphabet Galleries, LLC](https://appshunter.io/developer/605077679) | [Filisia Interfaces Ltd.](https://appshunter.io/developer/1150383520) |

## What reviewers say

### LetterWorks

[App page](https://appshunter.io/ios/app/letterworks/id735255024)

This app helps young children learn the alphabet and develop handwriting skills through interactive games and engaging visuals. It incorporates phonics, vocabulary, and printing practice with positive reinforcement and creative themes.

**Highlights:** Phonics learning, Vocabulary building, Printing practice, Upper and lower case letters, Letter names and shapes, Positive feedback, Themed learning environments

**Features:** macOS Compatibility

**In-app purchases:** none


### Cosmo Learning

[App page](https://appshunter.io/ios/app/cosmo-learning/id1150386521)

This app provides an interactive learning and therapy ecosystem for children with special educational needs and in early years. It uses multisensory controllers and engaging activities to foster motor, cognitive, and communication skill development through play, music, and movement.

**Highlights:** Interactive learning ecosystem, Therapy activities, Multisensory controller integration, Motor skill development, Cognitive skill development, Communication skill development, Purposeful play and music

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

**In-app purchases:** none


## Frequently asked questions

### Is LetterWorks free?

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

### Is Cosmo Learning free?

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

### Which has better reviews, LetterWorks or Cosmo Learning?

LetterWorks is rated higher. LetterWorks averages 5.0 out of 5 from 3 ratings, while Cosmo Learning averages 2.3 from 3 ratings.

### Do LetterWorks or Cosmo Learning have ads?

Neither LetterWorks nor Cosmo Learning shows ads.

### Which is updated more often, LetterWorks or Cosmo Learning?

LetterWorks ships an update every 9 months, and Cosmo Learning weekly. Most recently, LetterWorks was updated on November 1, 2026 and Cosmo Learning on November 13, 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.*