# LetterSchool vs Measure! Everything!

The clearest difference is in-app purchases: Measure! Everything! at none against LetterSchool's 10. Measure! Everything! also leads on rating (4.8 vs 4.5). LetterSchool's advantage is ratings volume (17K vs 16). On price, update cadence, ads and device support there is nothing between them.

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

Measure! Everything! holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: LetterSchool has 17K ratings behind it against 16, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | LetterSchool | Measure! Everything! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (17K ratings)](https://appshunter.io/ios/app/letterschool-learn-to-write/id481067676/reviews) | **[4.8 (16 ratings)](https://appshunter.io/ios/app/measure-everything/id1480238670/reviews)** |
| Number of ratings | **17K** | 16 |
| Positive reviews | 54.5% 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 | 560 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Letterschool Enabling Learning B.V.](https://appshunter.io/developer/1133082101) | [Math Talk PBC](https://appshunter.io/developer/1455254904) |

## 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


### Measure! Everything!

[App page](https://appshunter.io/ios/app/measure-everything/id1480238670)

This app uses augmented reality to make math fun for young children. Bring 3D animals and objects to life to measure your surroundings or embark on guided math adventures. It encourages hands-on learning and helps adults engage with kids about math.

**Highlights:** Augmented reality math learning, Interactive 3D animals and objects, Hands-on measurement activities, Guided math adventures, Adult-child math conversation prompts, Math exploration beyond the screen

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LetterSchool free?

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

### Is Measure! Everything! free?

Measure! Everything! is free to download, with no in-app purchases.

### Which has better reviews, LetterSchool or Measure! Everything!?

Measure! Everything! is rated higher. LetterSchool averages 4.5 out of 5 from 17K ratings, while Measure! Everything! averages 4.8 from 16 ratings.

### Do LetterSchool or Measure! Everything! have ads?

Neither LetterSchool nor Measure! Everything! shows ads.

### Which is updated more often, LetterSchool or Measure! Everything!?

LetterSchool ships an update every 2 months, and Measure! Everything! every 2 months. Most recently, LetterSchool was updated on November 11, 2026 and Measure! Everything! on November 3, 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.*