# .Estra. vs CieSign

The clearest difference is ads: CieSign at none against .Estra.'s shown. CieSign also leads on review sentiment (36% vs 17%) and monetization model (free vs ad-supported). .Estra.'s advantage is update cadence (every 3 weeks vs every 2 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.

.Estra. ships an update every 3 weeks, CieSign every 2 months. Both last shipped on October 15, 2026.

## The numbers

| Metric | .Estra. | CieSign |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 17.3% of reviews | **35.8% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 65 MB | 36 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [E.S.TR.A. SPA ENERGIA SERVIZI TERRITORIO AMBIENTE](https://appshunter.io/developer/610580200) | [Istituto Poligrafico e Zecca dello Stato Spa](https://appshunter.io/developer/1223441137) |

## What reviewers say

### .Estra.

[App page](https://appshunter.io/ios/app/estra/id614615236)

Manage your energy services, view bills, make payments, and track consumption. Access store locations and contact support easily. Stay updated with the latest news and manage multiple accounts.

**Highlights:** View utility data, Download bills, Pay with credit card, Submit meter readings, View consumption statistics, Find stores, Contact support

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is .Estra. free?

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

### Is CieSign free?

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

### Do .Estra. or CieSign have ads?

.Estra. shows ads; CieSign does not.

### Which is updated more often, .Estra. or CieSign?

.Estra. ships an update every 3 weeks, and CieSign every 2 months. Most recently, .Estra. was updated on October 15, 2026 and CieSign on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*