# AI Assistant kun vs Tierly

The clearest difference is iOS requirement: AI Assistant kun at 15.0 against Tierly's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI Assistant kun sells 10 in-app purchases, starting at $2.99 per 7 days and Tierly sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | AI Assistant kun | Tierly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (743 ratings)](https://appshunter.io/ios/app/ai-assistant-kun-chat-essay/id1670102254/reviews)** | — |
| Number of ratings | **743** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 140 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Yukito Shibuya](https://appshunter.io/developer/1451047215) | [SANWA Inc.](https://appshunter.io/developer/1878028373) |

## What reviewers say

### AI Assistant kun

[App page](https://appshunter.io/ios/app/ai-assistant-kun-chat-essay/id1670102254)

This AI chat application assists with a wide range of tasks, from work and study to personal advice and creative endeavors. It offers 24/7 support and uses advanced natural language processing for intuitive conversations. No registration is required to start using its features.

**Highlights:** AI-powered chat and writing assistance, Support for work and study tasks, Personal advice and life problem-solving, Creative inspiration for writers and musicians, 24/7 availability, No registration required

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| スタンダードプラン | $2.99 | per 7 days |
| スタンダードプラン | $3.99 | per 7 days |
| スタンダードプラン | $7.99 | per month |
| スタンダードプラン | $8.99 | per month |
| スタンダードプラン | $19.99 | per 3 months |
| スタンダードプラン | $19.99 | per 3 months |
| プレミアムプラン | $19.99 | per month |
| スタンダードプラン | $59.99 | per year |
| スタンダードプラン | $69.99 | per year |
| プレミアムプラン | $199.99 | per year |


### Tierly

[App page](https://appshunter.io/ios/app/tierly/id6786118512)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro（透かし削除） | $3.99 | one-time |


## Frequently asked questions

### Is AI Assistant kun free?

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

### Is Tierly free?

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

### Do AI Assistant kun or Tierly have ads?

Neither AI Assistant kun nor Tierly 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.*