# Shater vs Smart Pen App

The clearest difference is update cadence: Smart Pen App at daily against Shater's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Shater sells 4 in-app purchases, starting at $5.99 per 7 days and Smart Pen App sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Shater ships an update weekly, Smart Pen App daily. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Shater | Smart Pen App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (16 ratings)](https://appshunter.io/ios/app/shater-study-assistant/id6755720986/reviews)** | — |
| Number of ratings | **16** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Freemium | — |
| Size | 80 MB | 82 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Abdulrahman Alzahrani](https://appshunter.io/developer/1855852089) | [FATMAH ALGHAMDI](https://appshunter.io/developer/6774144700) |

## What reviewers say

### Shater

[App page](https://appshunter.io/ios/app/shater-study-assistant/id6755720986)

Transform your study materials into interactive quizzes, summaries, and flashcards with AI. This tool helps students of all levels learn faster and reduce exam stress. Organize your courses and track your progress for a more efficient study experience.

**Highlights:** AI quiz generation, Content summaries, Flashcard creation, Progress tracking, Course organization, Text extraction from PDFs/images

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| اسبوعي | $5.99 | per 7 days |
| اشتراك شهر | $9.99 | per month |
| عرض سنوي | $19.99 | per year |
| اشتراك سنوي | $29.99 | per year |


### Smart Pen App

[App page](https://appshunter.io/ios/app/smart-pen-app/id6806526197)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Top-up 11 | $0.49 | one-time |
| Smart Start | $0.99 | one-time |
| Top-up 15 | $0.99 | one-time |
| Top-up 50 | $0.99 | one-time |
| Smart Plus | $1.99 | one-time |
| Top-up 100 | $2.99 | one-time |
| Top-up 200 | $4.99 | one-time |
| Smart Pro | $4.99 | one-time |
| Smart Video | $22.99 | one-time |


## Frequently asked questions

### Is Shater free?

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

### Is Smart Pen App free?

Smart Pen App is free to download, with in-app purchases available.

### Do Shater or Smart Pen App have ads?

Neither Shater nor Smart Pen App shows ads.

### Which is updated more often, Shater or Smart Pen App?

Shater ships an update weekly, and Smart Pen App daily. Most recently, Shater was updated on November 5, 2026 and Smart Pen App on October 31, 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.*