# Bird ID vs Adapta One 27

The clearest difference is in-app purchases: Adapta One 27 at none against Bird ID's 9. Adapta One 27 also leads on review sentiment (55% vs 29%) and rating (4.9 vs 4.6). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Bird ID sells 7 in-app purchases, starting at $6.99 per month. Adapta One 27 asks for nothing beyond the download.

Adapta One 27 holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 91 and 78 respectively. Written reviews point the same way: 29% of Bird ID's written reviews are positive against 55% of Adapta One 27's.

Bird ID ships an update fortnightly, Adapta One 27 weekly. Both last shipped on September 24, 2026.

## The numbers

| Metric | Bird ID | Adapta One 27 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (91 ratings)](https://appshunter.io/ios/app/bird-id/id1450002184/reviews) | **[4.9 (78 ratings)](https://appshunter.io/ios/app/adapta-one-27/id6745405588/reviews)** |
| Number of ratings | **91** | 78 |
| Positive reviews | 28.9% of reviews | **55.1% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 109 MB | 100 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +17 |
| Developer | [VaultID](https://appshunter.io/developer/1411398300) | [Adapta Educação LTDA](https://appshunter.io/developer/1752737058) |

## 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 |


### Adapta One 27

[App page](https://appshunter.io/ios/app/adapta-one-27/id6745405588)

This AI chatbot platform integrates multiple models and manages your documents for AI processing. It offers a comprehensive solution for utilizing advanced AI capabilities in one place.

**Highlights:** Multiple AI models on one platform, Document management for AI processing, Comprehensive AI chatbot solution, Integrated AI capabilities

**In-app purchases:** none


## Frequently asked questions

### Is Bird ID free?

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

### Is Adapta One 27 free?

Adapta One 27 is free to download, with no in-app purchases.

### Which has better reviews, Bird ID or Adapta One 27?

Adapta One 27 is rated higher. Bird ID averages 4.6 out of 5 from 91 ratings, while Adapta One 27 averages 4.9 from 78 ratings.

### Do Bird ID or Adapta One 27 have ads?

Neither Bird ID nor Adapta One 27 shows ads.

### Which is updated more often, Bird ID or Adapta One 27?

Bird ID ships an update fortnightly, and Adapta One 27 weekly. Most recently, Bird ID was updated on September 24, 2026 and Adapta One 27 on September 24, 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.*