# LetterSchool vs Kuiper Shapes

LetterSchool and Kuiper Shapes both sit at 4.5 stars, but that hides the real split: 100% of Kuiper Shapes's written reviews are positive against 55% of LetterSchool's. Kuiper Shapes also leads on in-app purchases (none vs 10) and iOS requirement (8.0 vs 15.0). LetterSchool's advantage is ratings volume (17K vs 5). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. LetterSchool sells 10 in-app purchases, starting at $4.99 per month. Kuiper Shapes asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for LetterSchool against 4.4 for Kuiper Shapes. That said, the two scores are not equally well evidenced: LetterSchool has 17K ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 55% of LetterSchool's written reviews are positive against 100% of Kuiper Shapes's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | LetterSchool | Kuiper Shapes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (17K ratings)](https://appshunter.io/ios/app/letterschool-learn-to-write/id481067676/reviews)** | [4.4 (5 ratings)](https://appshunter.io/ios/app/kuiper-shapes/id1073379627/reviews) |
| Number of ratings | **17K** | 5 |
| Positive reviews | 54.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 158 MB | 16 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Letterschool Enabling Learning B.V.](https://appshunter.io/developer/1133082101) | [zakk hoyt](https://appshunter.io/developer/570320687) |

## What reviewers say

### 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 spelling games. It offers progress tracking and engaging animations to make learning fun and effective for toddlers and preschoolers.

**Highlights:** Block and cursive letter tracing, Uppercase and lowercase letters, Number tracing (1-10), Geometric shape tracing, Word spelling and phonics, Progress tracking for multiple players, Interactive animations and sound effects

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access Pass | $4.99 | per month |
| Monthly Access Pass | $9.99 | per month |
| Quarterly Access Pass | $12.99 | per 3 months |
| Quarterly Access Pass | $19.99 | per 3 months |
| Annual Access Pass | $44.99 | per year |
| Yearly Access Pass | $59.99 | 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


### Kuiper Shapes

[App page](https://appshunter.io/ios/app/kuiper-shapes/id1073379627)

This educational app allows babies to learn shapes and colors through interactive play. Children can create shapes by touching the screen, and tilting the device makes them fall. Tapping shapes creates fun sound effects, enhancing hand-eye coordination.

**Highlights:** Shape creation by touch, Shapes fall when device is tilted, Shapes pop when tapped, Fun sound effects, Color learning, Hand-eye coordination practice

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LetterSchool free?

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

### Is Kuiper Shapes free?

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

### Which has better reviews, LetterSchool or Kuiper Shapes?

LetterSchool is rated higher. LetterSchool averages 4.5 out of 5 from 17K ratings, while Kuiper Shapes averages 4.4 from 5 ratings.

### Do LetterSchool or Kuiper Shapes have ads?

Neither LetterSchool nor Kuiper Shapes shows ads.

### Which is updated more often, LetterSchool or Kuiper Shapes?

LetterSchool ships an update every 2 months, and Kuiper Shapes every 2 months. Most recently, LetterSchool was updated on November 6, 2026 and Kuiper Shapes on November 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.*