# AI Chat vs 图片转PDF

The clearest difference is in-app purchases: 图片转PDF at none against AI Chat's 2. 图片转PDF also leads on update cadence (daily vs every 2 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AI Chat sells 2 in-app purchases, starting at $4.99 per 7 days. 图片转PDF asks for nothing beyond the download.

AI Chat ships an update every 2 days, 图片转PDF daily. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | AI Chat | 图片转PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (10 ratings)](https://appshunter.io/ios/app/ai-chat-need-ai/id6446494383/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 0 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GITU Limited](https://appshunter.io/developer/1676651389) | [义轩 高](https://appshunter.io/developer/1857499417) |

## What reviewers say

### AI Chat

[App page](https://appshunter.io/ios/app/ai-chat-need-ai/id6446494383)

This AI-powered assistant leverages advanced language models to help with tasks like translation, content creation, coding, and job searching. It offers a premium subscription for enhanced features and a seamless user experience.

**Highlights:** Multilingual translation, Text summarization, AI-curated recipes, Job opportunity hub, Content enhancement, Programming assistance, Latest AI models

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| Yearly Plan | $14.99 | per year |


### 图片转PDF

[App page](https://appshunter.io/ios/app/pdf-pdfpdf/id6756543529)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AI Chat free?

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

### Is 图片转PDF free?

图片转PDF is free to download, with no in-app purchases.

### Do AI Chat or 图片转PDF have ads?

Neither AI Chat nor 图片转PDF shows ads.

### Which is updated more often, AI Chat or 图片转PDF?

AI Chat ships an update every 2 days, and 图片转PDF daily. Most recently, AI Chat was updated on November 3, 2026 and 图片转PDF on November 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*