# AI Writeon vs Opus

The clearest difference is ads: AI Writeon at none against Opus's shown. AI Writeon also leads on iOS requirement (12.0 vs 16.0). Opus's advantage is update cadence (monthly vs every 13 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. AI Writeon sells 1 in-app purchase, starting at $3.99 per month and Opus sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AI Writeon ships an update every 13 months, Opus monthly. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | AI Writeon | Opus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/opus-task-helper/id6450875277/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 43 MB | 34 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Svitlana Skibа](https://appshunter.io/developer/1678778094) | [DotNetIdeas LLC](https://appshunter.io/developer/593048811) |

## What reviewers say

### AI Writeon

[App page](https://appshunter.io/ios/app/ai-writeon/id6446998285)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One month subscription | $3.99 | per month |


### Opus

[App page](https://appshunter.io/ios/app/opus-task-helper/id6450875277)

This app helps you manage your chores and tasks with features like automatic reset, customizable details, and multiple list creation. It allows for easy sharing and syncing across devices to keep everyone organized.

**Highlights:** Efficient task tracking with due date calculation, Automatic reset for recurring chores, Customizable task details (dates, reminders, notes), Multiple list creation for categorization, Auto sync across devices, Share lists with other users for collaboration

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is AI Writeon free?

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

### Is Opus free?

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

### Do AI Writeon or Opus have ads?

Opus shows ads; AI Writeon does not.

### Which is updated more often, AI Writeon or Opus?

AI Writeon ships an update every 13 months, and Opus monthly. Most recently, AI Writeon was updated on October 3, 2026 and Opus on October 6, 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.*