# 2FA vs Secret Diary with Locks

The clearest difference is ads: Secret Diary with Locks at none against 2FA's shown. Secret Diary with Locks also leads on update cadence (every 3 months vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 2FA sells 2 in-app purchases, starting at $0.99 per 7 days and Secret Diary with Locks sells 1 in-app purchase, starting at $0.99 per year. Whichever you choose, the download price is not the number that matters.

2FA ships an update every 6 months, Secret Diary with Locks every 3 months. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 2FA | Secret Diary with Locks |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 34 MB | 10 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Thao Tran](https://appshunter.io/developer/1684058505) | [Harshad Jadav](https://appshunter.io/developer/1687259507) |

## What reviewers say

### 2FA

[App page](https://appshunter.io/ios/app/2fa-authenticator-verify-id/id6449616228)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $0.99 | per 7 days |
| Lifetime Premium | $14.99 | one-time |


### Secret Diary with Locks

[App page](https://appshunter.io/ios/app/secret-diary-with-locks/id6449743044)

Securely record your thoughts, memories, and personal moments with this private journal app. Protect your entries with a password, PIN, or biometric authentication. All data is stored locally and encrypted for complete privacy.

**Highlights:** Password, PIN, or biometric unlock, AES 256-bit encryption, Offline local storage, Unlimited entries, Advanced search, No internet permission

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Ad-Free - Annual | $0.99 | per year |


## Frequently asked questions

### Is 2FA free?

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

### Is Secret Diary with Locks free?

Secret Diary with Locks is free to download, with in-app purchases available.

### Do 2FA or Secret Diary with Locks have ads?

2FA shows ads; Secret Diary with Locks does not.

### Which is updated more often, 2FA or Secret Diary with Locks?

2FA ships an update every 6 months, and Secret Diary with Locks every 3 months. Most recently, 2FA was updated on October 7, 2026 and Secret Diary with Locks on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*