# TurboPDF vs AI Summarizer

The clearest difference is ads: TurboPDF at none against AI Summarizer's shown. AI Summarizer's advantage is update cadence (monthly vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. TurboPDF sells 4 in-app purchases, starting at $4.99 per month and AI Summarizer sells 10 in-app purchases, starting at $1.49 per 7 days. Whichever you choose, the download price is not the number that matters.

TurboPDF ships an update every 3 months, AI Summarizer monthly. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TurboPDF | AI Summarizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/turbopdf-ai-note-taker/id6743954048/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 71 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Defuse ML LLC](https://appshunter.io/developer/1805306627) | [Asad Mahmood](https://appshunter.io/developer/1700702805) |

## What reviewers say

### TurboPDF

[App page](https://appshunter.io/ios/app/turbopdf-ai-note-taker/id6743954048)

Interact with your PDF documents using AI. Ask questions, get instant answers, generate summaries, and create smart notes from any file. Supports large documents and multiple languages.

**Highlights:** Ask questions about PDFs, Summarize complex content, Generate AI notes, Smart document history, Supports large PDFs (up to 100 MB), Multi-language support

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $4.99 | per month |
| Premium Monthly | $14.99 | per month |
| Basic Annually | $39.99 | per year |
| Premium Annually | $99.99 | per year |


### AI Summarizer

[App page](https://appshunter.io/ios/app/ai-summarizer-text-tool/id6751629608)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Subscription | $1.49 | per 7 days |
| Weekly Pro Standard Subscription | $2.99 | per 7 days |
| Weekly Pro Premium Subscription | $4.49 | per 7 days |
| Monthly Pro Subscription | $4.99 | per month |
| Monthly Pro Standard Subscription | $7.99 | per month |
| Monthly Pro Premium Subscription | $13.99 | per month |
| Yearly Pro Subscription | $43.99 | per year |
| Coins Starter Pack | $1.49 | one-time |
| Coins Growth Pack | $3.49 | one-time |
| Coins Ultimate Pack | $9.49 | one-time |


## Frequently asked questions

### Is TurboPDF free?

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

### Is AI Summarizer free?

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

### Do TurboPDF or AI Summarizer have ads?

AI Summarizer shows ads; TurboPDF does not.

### Which is updated more often, TurboPDF or AI Summarizer?

TurboPDF ships an update every 3 months, and AI Summarizer monthly. Most recently, TurboPDF was updated on October 28, 2026 and AI Summarizer on October 24, 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.*