# PEM app vs Sonora Digital

The clearest difference is update cadence: Sonora Digital at every 9 days against PEM app's every 4 months. PEM app's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

PEM app ships an update every 4 months, Sonora Digital every 9 days. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | PEM app | Sonora Digital |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (59 ratings)](https://appshunter.io/ios/app/sonora-digital/id6448649894/reviews)** |
| Number of ratings | — | **59** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | — | Free |
| Size | 35 MB | 168 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rigoberto Arriaza](https://appshunter.io/developer/1172100177) | [Gobierno del Estado de Sonora](https://appshunter.io/developer/1317453416) |

## What reviewers say

### PEM app

[App page](https://appshunter.io/ios/app/pem-app/id1229488845)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sonora Digital

[App page](https://appshunter.io/ios/app/sonora-digital/id6448649894)

Access government services and open data from the State of Sonora. Submit requests or complaints to citizen attention offices and stream state television and radio broadcasts. Stay informed with the latest news and entertainment.

**Highlights:** Access state government services, View open data, Submit citizen requests/complaints, Stream Telemax TV, Listen to Radio Sonora, Get updated news and entertainment

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

**In-app purchases:** none


## Frequently asked questions

### Is PEM app free?

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

### Is Sonora Digital free?

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

### Do PEM app or Sonora Digital have ads?

Neither PEM app nor Sonora Digital shows ads.

### Which is updated more often, PEM app or Sonora Digital?

PEM app ships an update every 4 months, and Sonora Digital every 9 days. Most recently, PEM app was updated on October 9, 2026 and Sonora Digital on October 3, 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.*