# MobileID vs SAC PROXER

MobileID and SAC PROXER 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.

MobileID ships an update every 4 months, SAC PROXER every 3 months. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | MobileID | SAC PROXER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (15 ratings)](https://appshunter.io/ios/app/mobileid/id990783086/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 91 MB | 24 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Certisign](https://appshunter.io/developer/669158783) | [Proxer Telecomunicacoes](https://appshunter.io/developer/1590578669) |

## What reviewers say

### MobileID

[App page](https://appshunter.io/ios/app/mobileid/id990783086)

Securely authenticate yourself and sign electronic documents with legal validity using your digital certificate on mobile devices. This service enables strong identification and document signing directly from your smartphone or tablet.

**Highlights:** Strong user authentication, Electronic document signing, Legal validity, Mobile device integration, ICP-Brasil digital certificate support

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

**In-app purchases:** none


### SAC PROXER

[App page](https://appshunter.io/ios/app/sac-proxer/id6451055218)

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

**In-app purchases:** none


## Frequently asked questions

### Is MobileID free?

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

### Is SAC PROXER free?

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

### Do MobileID or SAC PROXER have ads?

Neither MobileID nor SAC PROXER shows ads.

### Which is updated more often, MobileID or SAC PROXER?

MobileID ships an update every 4 months, and SAC PROXER every 3 months. Most recently, MobileID was updated on October 23, 2026 and SAC PROXER on October 18, 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.*