# AI2Query vs All PDF Reader

The clearest difference is ads: AI2Query at none against All PDF Reader's shown. All PDF Reader's advantage is update cadence (every 2 weeks vs every 9 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. AI2Query sells 2 in-app purchases, starting at $0.99 per month and All PDF Reader sells 1 in-app purchase, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI2Query ships an update every 9 months, All PDF Reader every 2 weeks. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | AI2Query | All PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Size | 12 MB | 9 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MCAI Software Solutions](https://appshunter.io/developer/1692256694) | [Iram Shehzad](https://appshunter.io/developer/1609736535) |

## What reviewers say

### AI2Query

[App page](https://appshunter.io/ios/app/ai2query/id6450192090)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Yearly | $9.99 | per year |


### All PDF Reader

[App page](https://appshunter.io/ios/app/all-pdf-reader-pdf-viewer/id6751398607)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Everything + Remove Ads | $9.99 | per 7 days |


## Frequently asked questions

### Is AI2Query free?

AI2Query is free to download, with in-app purchases available.

### Is All PDF Reader free?

All PDF Reader is free to download, with in-app purchases available.

### Do AI2Query or All PDF Reader have ads?

All PDF Reader shows ads; AI2Query does not.

### Which is updated more often, AI2Query or All PDF Reader?

AI2Query ships an update every 9 months, and All PDF Reader every 2 weeks. Most recently, AI2Query was updated on September 8, 2026 and All PDF Reader on September 9, 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.*