# Authenticator vs Bird ID

The clearest difference is monetization model: Authenticator at free with in-app purchases against Bird ID's subscription. Authenticator also leads on iOS requirement (14.0 vs 16.0). Bird ID's advantage is ads (none vs shown) and rating (4.8 vs 4.5). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Authenticator sells 3 in-app purchases, starting at $4.99 per 7 days and Bird ID sells 9 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Bird ID holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 25 and 16 respectively.

Authenticator ships an update weekly, Bird ID every 2 days. The most recent releases landed on September 5, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | Authenticator | Bird ID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (25 ratings)](https://appshunter.io/ios/app/authenticator-secure-2fa-auth/id6749149708/reviews) | **[4.8 (16 ratings)](https://appshunter.io/ios/app/bird-id-call-identification/id6751755571/reviews)** |
| Number of ratings | **25** | 16 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 73 MB | 120 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Timon Scherzinger](https://appshunter.io/developer/1895022963) | [Myroslava Pavlyuk](https://appshunter.io/developer/1836643145) |

## What reviewers say

### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-secure-2fa-auth/id6749149708)

Securely manage your two-factor authentication tokens and passwords in one place. This app offers offline code generation and a private in-app browser. Free users can manage existing codes and passwords, while premium subscribers gain unlimited creation and secure browsing.

**Highlights:** Organize 2FA tokens and passwords, Offline code generation, Built-in secure browser, Manage existing codes and passwords (free), Unlimited code/password creation (premium), Face ID access

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $17.99 | per month |
| Yearly | $49.99 | per year |


### Bird ID

[App page](https://appshunter.io/ios/app/bird-id-call-identification/id6751755571)

Identify birds by their appearance or song with this smart utility. It provides detailed information on species, saves your discoveries, and turns any outing into a nature exploration.

**Highlights:** Instant recognition by photo, Voice recording and analysis, History of searches, Detailed bird dossiers, Species appearance description, Habitat and distribution maps

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scan the birds | $4.99 | per 7 days |
| Scan the birds | $5.99 | per 7 days |
| Scan the birds | $6.99 | per 7 days |
| Scan the birds | $9.99 | per year |
| Scan the birds | $14.99 | per year |
| Scan the birds | $19.99 | per year |
| Scan the birds | $19.99 | per year |
| Scan the birds | $29.99 | per year |
| Scan the birds | $29.99 | per year |


## Frequently asked questions

### Is Authenticator free?

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

### Is Bird ID free?

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

### Which has better reviews, Authenticator or Bird ID?

Bird ID is rated higher. Authenticator averages 4.5 out of 5 from 25 ratings, while Bird ID averages 4.8 from 16 ratings.

### Do Authenticator or Bird ID have ads?

Authenticator shows ads; Bird ID does not.

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

Authenticator ships an update weekly, and Bird ID every 2 days. Most recently, Authenticator was updated on September 5, 2026 and Bird ID on August 13, 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.*