# PostPiny vs AI Writing Tools

The clearest difference is iOS requirement: PostPiny at 13.4 against AI Writing Tools's 18.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PostPiny sells 2 in-app purchases, starting at $6.99 per month and AI Writing Tools sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | PostPiny | AI Writing Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai-writing-tools-chatwrite/id6756589549/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 33 MB | 22 MB |
| Requires iOS | **13.4** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sidic](https://appshunter.io/developer/1770161888) | [Yannick Lange](https://appshunter.io/developer/1622868185) |

## What reviewers say

### PostPiny

[App page](https://appshunter.io/ios/app/postpiny/id6752529386)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $6.99 | per month |
| Professional | $19.99 | per month |


### AI Writing Tools

[App page](https://appshunter.io/ios/app/ai-writing-tools-chatwrite/id6756589549)

This AI-powered keyboard integrates writing assistance directly into your typing experience. It offers features like paraphrasing, grammar correction, instant translation, and personalized AI agents to help you communicate more effectively across all your apps.

**Highlights:** AI-powered writing assistance, Grammar and spelling correction, Instant translation, Personalized AI agents, Works across all apps, Privacy protection

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is PostPiny free?

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

### Is AI Writing Tools free?

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

### Do PostPiny or AI Writing Tools have ads?

Neither PostPiny nor AI Writing Tools shows ads.

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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.*