# TOPSI vs PDF Tools

The clearest difference is ads: TOPSI at none against PDF Tools's shown. TOPSI also leads on iOS requirement (15 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TOPSI ships an update every 2 weeks, PDF Tools fortnightly. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | TOPSI | PDF Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pdf-tools-create-and-edit-pdfs/id6757467950/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | — | Ad-supported |
| Size | 11 MB | 10 MB |
| Requires iOS | **15** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TSim Tech Co., Ltd](https://appshunter.io/developer/1628278653) | [PixelWave LLC](https://appshunter.io/developer/1813104661) |

## What reviewers say

### TOPSI

[App page](https://appshunter.io/ios/app/topsi/id6444392354)

**Features:** Vision Pro support

**In-app purchases:** none


### PDF Tools

[App page](https://appshunter.io/ios/app/pdf-tools-create-and-edit-pdfs/id6757467950)

Easily create, merge, split, and reorder PDF pages from photos or existing documents. This app offers a user-friendly interface for managing PDFs on the go, perfect for students and professionals.

**Highlights:** Convert photos to PDF, Merge multiple PDF files, Split PDFs into separate files, Reorder and delete PDF pages, User-friendly interface, High-quality output

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TOPSI free?

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

### Is PDF Tools free?

PDF Tools is free to download, with no in-app purchases.

### Do TOPSI or PDF Tools have ads?

PDF Tools shows ads; TOPSI does not.

### Which is updated more often, TOPSI or PDF Tools?

TOPSI ships an update every 2 weeks, and PDF Tools fortnightly. Most recently, TOPSI was updated on October 11, 2026 and PDF Tools on October 6, 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.*