# Tianguá.com vs DataCertify

The clearest difference is in-app purchases: Tianguá.com at none against DataCertify's 1. Tianguá.com also leads on iOS requirement (13.0 vs 15.0). DataCertify's advantage is update cadence (every 4 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. DataCertify sells 1 one-off in-app purchase. Tianguá.com asks for nothing beyond the download.

Tianguá.com ships an update monthly, DataCertify every 4 days. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Tianguá.com | DataCertify |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 65 MB | 138 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | +17 |
| Developer | [Anlix](https://appshunter.io/developer/1395939752) | [DataCertify](https://appshunter.io/developer/1753131820) |

## What reviewers say

### Tianguá.com

[App page](https://appshunter.io/ios/app/tianguacom-wifi/id1637657741)

**Features:** macOS Compatibility

**In-app purchases:** none


### DataCertify

[App page](https://appshunter.io/ios/app/datacertify/id6504635320)

Securely capture and preserve digital evidence like social media posts and website content. Leverage blockchain technology for reliable and valid digital proof.

**Highlights:** Digital evidence identification, Secure evidence collection, Digital proof preservation, Blockchain integration, WhatsApp conversation preservation, Social media post capture, Website content archiving

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Crédito | $12.99 | one-time |


## Frequently asked questions

### Is Tianguá.com free?

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

### Is DataCertify free?

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

### Do Tianguá.com or DataCertify have ads?

Neither Tianguá.com nor DataCertify shows ads.

### Which is updated more often, Tianguá.com or DataCertify?

Tianguá.com ships an update monthly, and DataCertify every 4 days. Most recently, Tianguá.com was updated on October 10, 2026 and DataCertify on October 15, 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.*