# Watana vs Certezia

The clearest difference is in-app purchases: Watana at none against Certezia's 1. Watana also leads on device support (3 vs 1). Certezia's advantage is update cadence (every 2 weeks vs every 2 months). On price, 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. Watana asks for nothing beyond the download.

Watana ships an update every 2 months, Certezia every 2 weeks. The most recent releases landed on September 26, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Watana | Certezia |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 67 MB | 112 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [LLAMA.PE SA](https://appshunter.io/developer/1584869534) | [Certezia EIRL](https://appshunter.io/developer/1859511027) |

## What reviewers say

### Watana

[App page](https://appshunter.io/ios/app/watana/id1597319580)

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Watana free?

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

### Is Certezia free?

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

### Do Watana or Certezia have ads?

Neither Watana nor Certezia shows ads.

### Which is updated more often, Watana or Certezia?

Watana ships an update every 2 months, and Certezia every 2 weeks. Most recently, Watana was updated on September 26, 2026 and Certezia on September 17, 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.*