# Chatbot AI Assistant Advanced vs PDF Scanner Fserving

The clearest difference is ads: PDF Scanner Fserving at none against Chatbot AI Assistant Advanced's shown. PDF Scanner Fserving also leads on update cadence (every 3 weeks vs every 6 weeks) and iOS requirement (14.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Chatbot AI Assistant Advanced sells 6 in-app purchases, starting at $7.99 per 7 days and PDF Scanner Fserving sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Chatbot AI Assistant Advanced ships an update every 6 weeks, PDF Scanner Fserving every 3 weeks. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Chatbot AI Assistant Advanced | PDF Scanner Fserving |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (37 ratings)](https://appshunter.io/ios/app/chatbot-ai-assistant-advanced/id6736405384/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 58 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Isil Dereli](https://appshunter.io/developer/1771863451) | [Tran Minh Lan](https://appshunter.io/developer/1431760421) |

## What reviewers say

### Chatbot AI Assistant Advanced

[App page](https://appshunter.io/ios/app/chatbot-ai-assistant-advanced/id6736405384)

This AI assistant leverages advanced language models to help with a wide range of tasks, from writing and coding to planning and entertainment. It offers specialized tools for grammar checking, image analysis, fitness, and more, acting as a versatile companion for everyday needs.

**Highlights:** Grammar checking, Image analysis, Personalized fitness plans, Customized meal suggestions, Coding assistance, Text paraphrasing, Multi-language translation, Travel itinerary planning

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gem Assistant AI - Weekly | $7.99 | per 7 days |
| Gem Assistant AI - Weekly | $7.99 | per 7 days |
| Gem Assistant AI - Monthly | $24.99 | per month |
| Gemini AI Assistant - Monthly | $24.99 | per month |
| Gem Assistant AI - Annual | $149.99 | per year |
| Gemini AI Assistant - Annual | $149.99 | per year |


### PDF Scanner Fserving

[App page](https://appshunter.io/ios/app/pdf-scanner-fserving/id6740112488)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium weekly | $1.99 | per 7 days |
| Premium monthly | $3.99 | per month |
| Premium yearly | $29.99 | per year |


## Frequently asked questions

### Is Chatbot AI Assistant Advanced free?

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

### Is PDF Scanner Fserving free?

PDF Scanner Fserving is free to download, with in-app purchases available.

### Do Chatbot AI Assistant Advanced or PDF Scanner Fserving have ads?

Chatbot AI Assistant Advanced shows ads; PDF Scanner Fserving does not.

### Which is updated more often, Chatbot AI Assistant Advanced or PDF Scanner Fserving?

Chatbot AI Assistant Advanced ships an update every 6 weeks, and PDF Scanner Fserving every 3 weeks. Most recently, Chatbot AI Assistant Advanced was updated on October 7, 2026 and PDF Scanner Fserving on October 15, 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.*