# MobileID vs FG SAC+

The clearest difference is update cadence: MobileID at every 4 months against FG SAC+'s every 27 months. 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.

MobileID ships an update every 4 months, FG SAC+ every 27 months. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | MobileID | FG SAC+ |
| --- | --- | --- |
| 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 27 months |
| Monetization | Free | — |
| Size | 91 MB | 22 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Certisign](https://appshunter.io/developer/669158783) | [FG INTERLIGA](https://appshunter.io/developer/1705093384) |

## 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


### FG SAC+

[App page](https://appshunter.io/ios/app/fg-sac-plus/id6463821073)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MobileID free?

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

### Is FG SAC+ free?

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

### Do MobileID or FG SAC+ have ads?

Neither MobileID nor FG SAC+ shows ads.

### Which is updated more often, MobileID or FG SAC+?

MobileID ships an update every 4 months, and FG SAC+ every 27 months. Most recently, MobileID was updated on October 15, 2026 and FG SAC+ on October 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.*