# Certezia vs App ICAJ Junin

The clearest difference is in-app purchases: App ICAJ Junin at none against Certezia's 1. App ICAJ Junin also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Certezia sells 1 in-app purchase, starting at $3.99 per year. App ICAJ Junin asks for nothing beyond the download.

Certezia ships an update fortnightly, App ICAJ Junin every 8 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Certezia | App ICAJ Junin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/certezia/id6756247213/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | Free | — |
| Size | 113 MB | 79 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Certezia EIRL](https://appshunter.io/developer/1859511027) | [Plush Producciones SRL](https://appshunter.io/developer/1517500593) |

## What reviewers say

### Certezia

[App page](https://appshunter.io/ios/app/certezia/id6756247213)

Digitally sign documents securely and legally in Peru using your electronic National Identity Document (DNIe) and NFC technology. This app allows for quick and easy signing directly from your smartphone, eliminating the need for extra hardware or certificates.

**Highlights:** Digital document signing, Utilizes DNIe and NFC, Smartphone signing, Legal compliance in Peru, No USB readers or extra certificates needed

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Firma Personal Premium | $3.99 | per year |


### App ICAJ Junin

[App page](https://appshunter.io/ios/app/app-icaj-junin/id6796533348)

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

**In-app purchases:** none


## Frequently asked questions

### Is Certezia free?

Certezia is free to download, with in-app purchases available.

### Is App ICAJ Junin free?

App ICAJ Junin is free to download, with no in-app purchases.

### Do Certezia or App ICAJ Junin have ads?

Neither Certezia nor App ICAJ Junin shows ads.

### Which is updated more often, Certezia or App ICAJ Junin?

Certezia ships an update fortnightly, and App ICAJ Junin every 8 days. Most recently, Certezia was updated on November 5, 2026 and App ICAJ Junin on November 6, 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.*