# Drift Technological vs Chat PDF

The clearest difference is in-app purchases: Drift Technological at none against Chat PDF's 5. Drift Technological also leads on ads (none vs shown) and update cadence (fortnightly vs every 12 months). On price and device support there is nothing between them.

Both are free to download. Chat PDF sells 5 in-app purchases, starting at $1.99 per 7 days. Drift Technological asks for nothing beyond the download.

Drift Technological ships an update fortnightly, Chat PDF every 12 months. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Drift Technological | Chat PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chat-pdf-pidi/id6502397188/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 12 months |
| Monetization | — | Free with in-app purchases |
| Size | 19 MB | 41 MB |
| Requires iOS | **10.0** | 13.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Detechtion Technologies](https://appshunter.io/developer/638265757) | [Happy Tech LTD](https://appshunter.io/developer/1589738309) |

## What reviewers say

### Drift Technological

[App page](https://appshunter.io/ios/app/drift-technological/id1416152979)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chat PDF

[App page](https://appshunter.io/ios/app/chat-pdf-pidi/id6502397188)

Transform your phone into a powerful PDF scanner. Easily capture documents, convert photos to PDFs, and organize your files. Share them securely via various platforms.

**Highlights:** Automatic document scanning, Photo to PDF conversion, Batch PDF creation, PDF preview mode, Secure document organization, Easy sharing options

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |
| Three Months Subscription | $9.99 | per 3 months |
| Six Months Subscription | $17.99 | per 6 months |
| Yearly Subscription | $29.99 | per year |


## Frequently asked questions

### Is Drift Technological free?

Drift Technological is free to download, with no in-app purchases.

### Is Chat PDF free?

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

### Do Drift Technological or Chat PDF have ads?

Chat PDF shows ads; Drift Technological does not.

### Which is updated more often, Drift Technological or Chat PDF?

Drift Technological ships an update fortnightly, and Chat PDF every 12 months. Most recently, Drift Technological was updated on October 3, 2026 and Chat PDF on October 1, 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.*