# Writing AI vs LT System

The clearest difference is update cadence: LT System at every 5 weeks against Writing AI's every 4 months. LT System also leads on iOS requirement (12.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Writing AI sells 3 in-app purchases, starting at $12.99 per month and LT System sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Writing AI ships an update every 4 months, LT System every 5 weeks. The most recent releases landed on November 12, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Writing AI | LT System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/writing-ai-essay-assistant/id6459451535/reviews)** | — |
| Number of ratings | **9** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Freemium | — |
| Size | 37 MB | 237 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Riafy Technologies Pvt. Ltd.](https://appshunter.io/developer/918478397) | [First Longevity Limited](https://appshunter.io/developer/1721134000) |

## What reviewers say

### Writing AI

[App page](https://appshunter.io/ios/app/writing-ai-essay-assistant/id6459451535)

This AI-powered writing assistant helps users craft polished essays, stories, and emails quickly. It offers real-time suggestions, grammar enhancement, and custom voice settings to improve writing quality and overcome writer's block.

**Highlights:** Smart Essay Structure Generator, Real-time Writing Suggestions, Grammar & Style Enhancement, Multiple Writing Formats, Custom Voice & Tone Settings, Research Integration

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| R10W Monthly | $12.99 | per month |
| R10W Discounted | $39.99 | per 6 months |
| R10W Half Yearly | $39.99 | per 6 months |


### LT System

[App page](https://appshunter.io/ios/app/lt-system/id6474242467)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription plan | $9.99 | per month |


## Frequently asked questions

### Is Writing AI free?

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

### Is LT System free?

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

### Do Writing AI or LT System have ads?

Neither Writing AI nor LT System shows ads.

### Which is updated more often, Writing AI or LT System?

Writing AI ships an update every 4 months, and LT System every 5 weeks. Most recently, Writing AI was updated on November 12, 2026 and LT System on November 8, 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.*