# 2FA authenticator (2Lock) vs Countdowner App

The clearest difference is in-app purchases: Countdowner App at none against 2FA authenticator (2Lock)'s 3. Countdowner App also leads on update cadence (every 6 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 2FA authenticator (2Lock) sells 3 in-app purchases, starting at $1.99 per 7 days. Countdowner App asks for nothing beyond the download.

2FA authenticator (2Lock) ships an update every 5 months, Countdowner App every 6 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 2FA authenticator (2Lock) | Countdowner App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Size | 22 MB | 10 MB |
| Requires iOS | 17.3 | **17.0** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Artem Mykhelson](https://appshunter.io/developer/1520436719) | [ZDENEK PODANY](https://appshunter.io/developer/1786330327) |

## What reviewers say

### 2FA authenticator (2Lock)

[App page](https://appshunter.io/ios/app/2fa-authenticator-2lock/id6746497626)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Trial | $1.99 | per 7 days |
| 1 Year Unlimited | $19.99 | one-time |
| Forever Unlimited | $39.99 | one-time |


### Countdowner App

[App page](https://appshunter.io/ios/app/countdowner-app/id6751808807)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 2FA authenticator (2Lock) free?

2FA authenticator (2Lock) is free to download, with in-app purchases available.

### Is Countdowner App free?

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

### Do 2FA authenticator (2Lock) or Countdowner App have ads?

Neither 2FA authenticator (2Lock) nor Countdowner App shows ads.

### Which is updated more often, 2FA authenticator (2Lock) or Countdowner App?

2FA authenticator (2Lock) ships an update every 5 months, and Countdowner App every 6 weeks. Most recently, 2FA authenticator (2Lock) was updated on October 28, 2026 and Countdowner App on October 25, 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.*