# GS EXT vs InstaDocs

The clearest difference is ads: GS EXT at none against InstaDocs's shown. GS EXT also leads on iOS requirement (9.0 vs 15.5). InstaDocs's advantage is update cadence (every 4 days vs every 9 months). On price, 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.

GS EXT ships an update every 9 months, InstaDocs every 4 days. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GS EXT | InstaDocs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/instadocs-pdf-image-scanner/id6799533814/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 4 days** |
| Monetization | — | Ad-supported |
| Size | 13 MB | 75 MB |
| Requires iOS | **9.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Grandstream](https://appshunter.io/developer/951547763) | [JAYDARSH TECHNOCRATS LLP](https://appshunter.io/developer/6799533816) |

## What reviewers say

### GS EXT

[App page](https://appshunter.io/ios/app/gs-ext/id1597033431)

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

**In-app purchases:** none


### InstaDocs

[App page](https://appshunter.io/ios/app/instadocs-pdf-image-scanner/id6799533814)

This app offers a comprehensive suite of tools for managing PDFs and images. Convert between formats, compress files, scan documents, and extract text. All processing is done locally on your device for enhanced privacy and security.

**Highlights:** PDF to Image Converter, Image to PDF Maker, PDF Compressor, Document Scanner, Image OCR (Text Extractor), Offline Processing, Merge & Split PDF

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

**In-app purchases:** none


## Frequently asked questions

### Is GS EXT free?

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

### Is InstaDocs free?

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

### Do GS EXT or InstaDocs have ads?

InstaDocs shows ads; GS EXT does not.

### Which is updated more often, GS EXT or InstaDocs?

GS EXT ships an update every 9 months, and InstaDocs every 4 days. Most recently, GS EXT was updated on October 18, 2026 and InstaDocs 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.*