# 2FA Authenticator Verification vs Cairn

2FA Authenticator Verification and Cairn are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. 2FA Authenticator Verification sells 3 in-app purchases, starting at $5.99 per 7 days and Cairn sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

2FA Authenticator Verification ships an update every 3 days, Cairn every 2 days. The most recent releases landed on September 13, 2026 and May 31, 2026 respectively.

## The numbers

| Metric | 2FA Authenticator Verification | Cairn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Size | 8 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Textile of three Ltd](https://appshunter.io/developer/1870807118) | [abiodun oyetomi](https://appshunter.io/developer/1895308564) |

## What reviewers say

### 2FA Authenticator Verification

[App page](https://appshunter.io/ios/app/2fa-authenticator-verification/id6758090330)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Premium | $5.99 | per 7 days |
| 2FA Authenticator Premium | $5.99 | per 7 days |
| 2FA Authenticator One-time | $119.99 | one-time |


### Cairn

[App page](https://appshunter.io/ios/app/cairn-stop-scrolling/id6771791772)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cairn Pro Monthly | $4.99 | per month |
| Cairn Pro Yearly | $29.99 | per year |
| Cairn Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is 2FA Authenticator Verification free?

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

### Is Cairn free?

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

### Do 2FA Authenticator Verification or Cairn have ads?

Neither 2FA Authenticator Verification nor Cairn shows ads.

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

2FA Authenticator Verification ships an update every 3 days, and Cairn every 2 days. Most recently, 2FA Authenticator Verification was updated on September 13, 2026 and Cairn on May 31, 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.*