# 2FA Authenticator vs Curb

The clearest difference is in-app purchases: Curb at none against 2FA Authenticator's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 2FA Authenticator sells 1 one-off in-app purchase. Curb asks for nothing beyond the download.

2FA Authenticator ships an update monthly, Curb every 5 weeks. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 2FA Authenticator | Curb |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 5 MB | 17 MB |
| Requires iOS | **17** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Weschke](https://appshunter.io/developer/1866715497) | [Zippy IT Solutions Ltd.](https://appshunter.io/developer/1841666879) |

## What reviewers say

### 2FA Authenticator

[App page](https://appshunter.io/ios/app/2fa-authenticator-trueauth/id6761183182)

This app securely manages verification codes for your online accounts. It generates one-time passwords (OTP) and keeps your data private with no tracking or external servers. Enjoy a fast, simple, and reliable authentication experience.

**Highlights:** Securely manage verification codes, Generate one-time passwords (OTP), Privacy-first experience with no tracking, Add accounts via QR code scanning, Offline-first functionality, Face ID/Touch ID protection

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrueAuth Pro | $4.99 | one-time |


### Curb

[App page](https://appshunter.io/ios/app/curb-internet-speed-limiter/id6779025375)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 2FA Authenticator free?

2FA Authenticator is free to download, with in-app purchases available.

### Is Curb free?

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

### Do 2FA Authenticator or Curb have ads?

Neither 2FA Authenticator nor Curb shows ads.

### Which is updated more often, 2FA Authenticator or Curb?

2FA Authenticator ships an update monthly, and Curb every 5 weeks. Most recently, 2FA Authenticator was updated on October 4, 2026 and Curb on October 9, 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.*