# BBX ECO2 vs Authenticator

The clearest difference is in-app purchases: BBX ECO2 at none against Authenticator's 4. BBX ECO2 also leads on iOS requirement (13.0 vs 16.0). Authenticator's advantage is update cadence (every 3 weeks vs every 40 months). On price, ads and device support there is nothing between them.

Both are free to download. Authenticator sells 4 in-app purchases, starting at $1.99 per 7 days. BBX ECO2 asks for nothing beyond the download.

BBX ECO2 ships an update every 40 months, Authenticator every 3 weeks. The most recent releases landed on September 11, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | BBX ECO2 | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (179 ratings)](https://appshunter.io/ios/app/authenticator-2fa-otp-codes/id6740751083/reviews)** |
| Number of ratings | — | **179** |
| Positive reviews | — | 26.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 11 MB | 32 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [AMI Automation LLC](https://appshunter.io/developer/943514399) | [Arpit Kakadiya](https://appshunter.io/developer/1779328825) |

## What reviewers say

### BBX ECO2

[App page](https://appshunter.io/ios/app/bbx-eco2/id6444162375)

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-2fa-otp-codes/id6740751083)

Secure your online accounts with this app, offering robust two-factor authentication (2FA) and time-based one-time password (TOTP) generation. It provides advanced security features like end-to-end encryption, privacy mode, and break-in alerts, alongside convenient multi-device sync and quick QR code scanning for effortless account protection across all your Apple devices.

**Highlights:** Time-based one-time password (TOTP) generation, End-to-end encryption for codes, Privacy Mode to hide codes, Break-in alerts for unauthorized access attempts, Multi-device sync across Apple ecosystem, Quick QR code scanning for account setup, Lock screen widgets for instant access

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $4.99 | per month |
| Annual | $19.99 | per year |
| Lifetime | $39.99 | one-time |

**What reviewers like**

- 👍 Working app after latest update
- 👍 Lifetime subscription working

**What reviewers complain about**

- 🐛 Lifetime purchase option not working
- 🐛 Subscription issue after lifetime purchase
- 🔒 Lack of transparency and false information
- 🚫 Deceptive free lifetime offer

**Reported bugs**

- Lifetime purchase option not working
- Subscription issue after lifetime purchase
- Lifetime offer not working

**Requested features**

- Generate QR code for existing accounts


## Frequently asked questions

### Is BBX ECO2 free?

BBX ECO2 is free to download, with no in-app purchases.

### Is Authenticator free?

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

### Do BBX ECO2 or Authenticator have ads?

Neither BBX ECO2 nor Authenticator shows ads.

### Which is updated more often, BBX ECO2 or Authenticator?

BBX ECO2 ships an update every 40 months, and Authenticator every 3 weeks. Most recently, BBX ECO2 was updated on September 11, 2026 and Authenticator on September 27, 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.*