# DataCertify vs Certisign

The clearest difference is review sentiment: DataCertify at 100% against Certisign's 30%. DataCertify also leads on update cadence (every 4 days vs every 5 weeks). Certisign's advantage is in-app purchases (none vs 1). On price, ads, device support and iOS requirement there is nothing between them.

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

DataCertify ships an update every 4 days, Certisign every 5 weeks. The most recent releases landed on September 23, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | DataCertify | Certisign |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 30.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 138 MB | 79 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +17 | +4 |
| Developer | [DataCertify](https://appshunter.io/developer/1753131820) | [Certisign](https://appshunter.io/developer/669158783) |

## What reviewers say

### 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 |


### Certisign

[App page](https://appshunter.io/ios/app/certisign/id6751283583)

Manage your digital identity and cloud-based digital certificates with ease and security. Authenticate access, manage certificates, and request support for a more practical and secure digital life.

**Highlights:** Cloud digital certificate management, Digital identity control, Access authentication, Support requests, Secure digital environment

**In-app purchases:** none


## Frequently asked questions

### Is DataCertify free?

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

### Is Certisign free?

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

### Do DataCertify or Certisign have ads?

Neither DataCertify nor Certisign shows ads.

### Which is updated more often, DataCertify or Certisign?

DataCertify ships an update every 4 days, and Certisign every 5 weeks. Most recently, DataCertify was updated on September 23, 2026 and Certisign on September 30, 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.*