# AI Chat PDF vs Otis Presentation Maker

AI Chat PDF and Otis Presentation Maker are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. AI Chat PDF sells 4 in-app purchases, starting at $8.99 per 7 days and Otis Presentation Maker sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

AI Chat PDF ships an update every 2 weeks, Otis Presentation Maker every 11 days. The most recent releases landed on August 24, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | AI Chat PDF | Otis Presentation Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/otis-presentation-maker/id6747890600/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 11 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 12 MB | 318 MB |
| Requires iOS | 17.2 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OFFIWIZ, S.L.](https://appshunter.io/developer/1386038136) | [Hokfam Ltd](https://appshunter.io/developer/1823223269) |

## What reviewers say

### AI Chat PDF

[App page](https://appshunter.io/ios/app/ai-chat-pdf-office-docs-bot/id6636539247)

This app uses AI assistants to help you work with documents, generate summaries, translate text, and even create images. It simplifies workflows for professionals and students by centralizing tasks and optimizing time management.

**Highlights:** Create personalized AI assistants, Chat with documents for information access, Generate document summaries, Translate documents and texts, Create AI-generated images, Convert files between formats, Analyze Excel tables and generate reports, Extract text from images

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One week Subscription | $8.99 | per 7 days |
| One week Subscription | $8.99 | per 7 days |
| One year subscription | $89.99 | per year |
| One week Subscription | $89.99 | per year |


### Otis Presentation Maker

[App page](https://appshunter.io/ios/app/otis-presentation-maker/id6747890600)

Effortlessly create professional presentations in seconds with AI-powered tools. Generate slides from a topic description, customize with professional templates, and visualize data with real charts. Export to various formats for seamless sharing.

**Highlights:** AI-generated slides from topic descriptions, 15+ real chart types with live data visualization, 40+ professional templates across 18+ industries, Export to PowerPoint, PDF, and web sharing, Real-time collaboration, Smart layout optimization

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OTIS Premium Monthly | $6.99 | per month |
| OTIS Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is AI Chat PDF free?

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

### Is Otis Presentation Maker free?

Otis Presentation Maker is free to download, with in-app purchases available.

### Do AI Chat PDF or Otis Presentation Maker have ads?

Neither AI Chat PDF nor Otis Presentation Maker shows ads.

### Which is updated more often, AI Chat PDF or Otis Presentation Maker?

AI Chat PDF ships an update every 2 weeks, and Otis Presentation Maker every 11 days. Most recently, AI Chat PDF was updated on August 24, 2026 and Otis Presentation Maker on September 18, 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.*