# Bird ID vs Sigetran

The clearest difference is in-app purchases: Sigetran at none against Bird ID's 9. Sigetran also leads on iOS requirement (13.4 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Bird ID sells 7 in-app purchases, starting at $6.99 per month. Sigetran asks for nothing beyond the download.

Bird ID ships an update fortnightly, Sigetran every 2 weeks. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Bird ID | Sigetran |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (91 ratings)](https://appshunter.io/ios/app/bird-id/id1450002184/reviews)** | — |
| Number of ratings | **91** | — |
| Positive reviews | 28.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 109 MB | 30 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [VaultID](https://appshunter.io/developer/1411398300) | [HRSOFT SISTEMAS LTDA](https://appshunter.io/developer/1618253660) |

## What reviewers say

### Bird ID

[App page](https://appshunter.io/ios/app/bird-id/id1450002184)

This app provides a secure cloud-based digital certificate for signing documents with legal validity. It offers enhanced security features, transaction history, and device management for a convenient digital experience.

**Highlights:** Sign documents with legal validity, Cloud-based digital certificate, Secure OTP generation, Manage Bird ID accounts, View connected devices, Transaction history tracking, Purchase credits in-app

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mensal | $6.99 | per month |
| Plano Padrão | $6.99 | per month |
| Anual | $29.99 | per year |
| Plano Padrão | $29.99 | per year |
| 1 mês | $9.99 | one-time |
| 3 meses | $17.99 | one-time |
| 1 ano | $29.99 | one-time |


### Sigetran

[App page](https://appshunter.io/ios/app/sigetran-ct-e-e-mdf-e/id6467807238)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bird ID free?

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

### Is Sigetran free?

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

### Do Bird ID or Sigetran have ads?

Neither Bird ID nor Sigetran shows ads.

### Which is updated more often, Bird ID or Sigetran?

Bird ID ships an update fortnightly, and Sigetran every 2 weeks. Most recently, Bird ID was updated on October 19, 2026 and Sigetran on October 14, 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.*