# LetterSchool vs Vivi User App

The clearest difference is rating: LetterSchool at 4.5 against Vivi User App's 3.5. LetterSchool also leads on review sentiment (55% vs 13%) and ratings volume (17K vs 11). Vivi User App's advantage is in-app purchases (none vs 10). 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. Vivi User App asks for nothing beyond the download.

LetterSchool holds the better App Store score, 4.5 against 3.5. That said, the two scores are not equally well evidenced: LetterSchool has 17K ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 55% of LetterSchool's written reviews are positive against 13% of Vivi User App's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 8, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | LetterSchool | Vivi User App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (17K ratings)](https://appshunter.io/ios/app/letterschool-learn-to-write/id481067676/reviews)** | [3.5 (11 ratings)](https://appshunter.io/ios/app/vivi-user-app/id1582121124/reviews) |
| Number of ratings | **17K** | 11 |
| Positive reviews | **54.5% of reviews** | 12.5% 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 | 34 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Letterschool Enabling Learning B.V.](https://appshunter.io/developer/1133082101) | [Vivi Australia](https://appshunter.io/developer/1057434825) |

## 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


### Vivi User App

[App page](https://appshunter.io/ios/app/vivi-user-app/id1582121124)

This tool allows seamless real-time sharing and display of information from any device. Enhance collaboration and engagement by annotating, capturing, and saving content wirelessly from anywhere in the room.

**Highlights:** Real-time information sharing, Wireless display and annotation, Capture and save content, Cross-device compatibility, Enhanced collaboration, Room-wide accessibility

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is LetterSchool free?

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

### Is Vivi User App free?

Vivi User App is free to download, with no in-app purchases.

### Which has better reviews, LetterSchool or Vivi User App?

LetterSchool is rated higher. LetterSchool averages 4.5 out of 5 from 17K ratings, while Vivi User App averages 3.5 from 11 ratings.

### Do LetterSchool or Vivi User App have ads?

Neither LetterSchool nor Vivi User App shows ads.

### Which is updated more often, LetterSchool or Vivi User App?

LetterSchool ships an update every 2 months, and Vivi User App every 2 months. Most recently, LetterSchool was updated on November 8, 2026 and Vivi User App 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.*