# AI Writing & Study Assistant vs Wiki Reader

The clearest difference is device support: AI Writing & Study Assistant at 3 against Wiki Reader's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. AI Writing & Study Assistant sells 3 in-app purchases, starting at $4.99 per 7 days and Wiki Reader sells 3 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI Writing & Study Assistant ships an update every 3 weeks, Wiki Reader every 6 weeks. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | AI Writing & Study Assistant | Wiki Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 14 MB | 24 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Zain UL Abideen](https://appshunter.io/developer/1838321736) | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) |

## What reviewers say

### AI Writing & Study Assistant

[App page](https://appshunter.io/ios/app/ai-writing-and-study-assistant/id6755840893)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |


### Wiki Reader

[App page](https://appshunter.io/ios/app/wiki-reader-ai-study-and-learn/id6760022581)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly Plan | $5.99 | per 7 days |
| Premium Yearly | $29.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is AI Writing & Study Assistant free?

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

### Is Wiki Reader free?

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

### Do AI Writing & Study Assistant or Wiki Reader have ads?

Neither AI Writing & Study Assistant nor Wiki Reader shows ads.

### Which is updated more often, AI Writing & Study Assistant or Wiki Reader?

AI Writing & Study Assistant ships an update every 3 weeks, and Wiki Reader every 6 weeks. Most recently, AI Writing & Study Assistant was updated on October 10, 2026 and Wiki Reader on October 5, 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.*