# Stratum vs RG DIGITAL

Stratum and RG DIGITAL 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.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | Stratum | RG DIGITAL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (164 ratings)](https://appshunter.io/ios/app/rg-digital-mg/id1632492814/reviews)** |
| Number of ratings | — | **164** |
| Positive reviews | — | 42.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free |
| Size | 111 MB | 139 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [Stratum Seguranca LTDA](https://appshunter.io/developer/1501704803) | [Valid Certificadora Digital](https://appshunter.io/developer/826505436) |

## What reviewers say

### Stratum

[App page](https://appshunter.io/ios/app/stratum/id1501704804)

**Features:** macOS Compatibility

**In-app purchases:** none


### RG DIGITAL

[App page](https://appshunter.io/ios/app/rg-digital-mg/id1632492814)

This official app allows citizens of Minas Gerais to carry and present their digital RG (identity card) on their mobile devices. It supports digital presentation, QR code validation, and PDF export with a digital signature from the state government.

**Highlights:** Digital RG presentation, QR code validation, PDF export with digital signature, Official government app

**In-app purchases:** none


## Frequently asked questions

### Is Stratum free?

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

### Is RG DIGITAL free?

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

### Do Stratum or RG DIGITAL have ads?

Neither Stratum nor RG DIGITAL shows ads.

### Which is updated more often, Stratum or RG DIGITAL?

Stratum ships an update every 2 months, and RG DIGITAL every 2 months. Most recently, Stratum was updated on November 7, 2026 and RG DIGITAL on November 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.*