# 3S Tecnologia vs nsdocs

The clearest difference is update cadence: nsdocs at monthly against 3S Tecnologia's every 3 months. 3S Tecnologia's advantage is iOS requirement (10.0 vs 15.6). On price, ads, 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.

3S Tecnologia ships an update every 3 months, nsdocs monthly. The most recent releases landed on October 19, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 3S Tecnologia | nsdocs |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free |
| Size | 60 MB | 46 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [3S Tecnologia](https://appshunter.io/developer/1336174805) | [BA3 INFORMATICA LTDA](https://appshunter.io/developer/1022995650) |

## What reviewers say

### 3S Tecnologia

[App page](https://appshunter.io/ios/app/3s-tecnologia/id1446321593)

**Features:** macOS Compatibility

**In-app purchases:** none


### nsdocs

[App page](https://appshunter.io/ios/app/nsdocs/id1500072716)

Easily receive, store, and manage electronic fiscal documents for your business. Import various document types by scanning barcodes or QR codes, or through manual input. Share, view, and print PDF files of your documents.

**Highlights:** Import NF-e, NFC-e, CT-e, CT-e OS, CF-e SAT, Scan barcode or QR code for import, Share, view, and print PDF documents, Digital Certificate Sefaz consultation, Electronic Recipient Manifestation, Document markers, Multi-company access

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

**In-app purchases:** none


## Frequently asked questions

### Is 3S Tecnologia free?

3S Tecnologia is free to download, with no in-app purchases.

### Is nsdocs free?

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

### Do 3S Tecnologia or nsdocs have ads?

Neither 3S Tecnologia nor nsdocs shows ads.

### Which is updated more often, 3S Tecnologia or nsdocs?

3S Tecnologia ships an update every 3 months, and nsdocs monthly. Most recently, 3S Tecnologia was updated on October 19, 2026 and nsdocs on October 7, 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.*