# LetterSchool vs TonProf

The clearest difference is in-app purchases: TonProf at none against LetterSchool's 14. TonProf also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 15.0). 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. TonProf asks for nothing beyond the download.

LetterSchool ships an update every 2 months, TonProf every 3 weeks. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | LetterSchool | TonProf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (17K ratings)](https://appshunter.io/ios/app/letterschool-learn-to-write/id481067676/reviews)** | — |
| Number of ratings | **17K** | — |
| Positive reviews | 54.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 158 MB | 36 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Letterschool Enabling Learning B.V.](https://appshunter.io/developer/1133082101) | [Hamza EL GADI](https://appshunter.io/developer/1845595816) |

## 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 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


### TonProf

[App page](https://appshunter.io/ios/app/tonprof/id6799497302)

**In-app purchases:** none


## Frequently asked questions

### Is LetterSchool free?

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

### Is TonProf free?

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

### Do LetterSchool or TonProf have ads?

Neither LetterSchool nor TonProf shows ads.

### Which is updated more often, LetterSchool or TonProf?

LetterSchool ships an update every 2 months, and TonProf every 3 weeks. Most recently, LetterSchool was updated on October 18, 2026 and TonProf on October 10, 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.*