# CieSign vs Nanosystem Buran

CieSign and Nanosystem Buran are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CieSign ships an update every 2 months, Nanosystem Buran monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | CieSign | Nanosystem Buran |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 35.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 36 MB | 72 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Istituto Poligrafico e Zecca dello Stato Spa](https://appshunter.io/developer/1223441137) | [ECO-Management srl](https://appshunter.io/developer/1603050982) |

## What reviewers say

### CieSign

[App page](https://appshunter.io/ios/app/ciesign/id1539026284)

This app allows you to apply an advanced electronic signature (FEA) to documents using your Italian Electronic Identity Card (CIE). It guides you through the simple process of signing documents electronically for both public administration services and private use.

**Highlights:** Advanced electronic signature (FEA), Use with Italian Electronic Identity Card (CIE), Guided document signing process, Add graphical signature, Verify signatures, Share signed documents

**In-app purchases:** none


### Nanosystem Buran

[App page](https://appshunter.io/ios/app/nanosystem-buran/id6477485889)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is CieSign free?

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

### Is Nanosystem Buran free?

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

### Do CieSign or Nanosystem Buran have ads?

Neither CieSign nor Nanosystem Buran shows ads.

### Which is updated more often, CieSign or Nanosystem Buran?

CieSign ships an update every 2 months, and Nanosystem Buran monthly. Most recently, CieSign was updated on November 3, 2026 and Nanosystem Buran on November 4, 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.*