# LockMemo vs Authenticator

The clearest difference is update cadence: LockMemo at every 2 weeks against Authenticator's every 5 weeks. LockMemo also leads on iOS requirement (16.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. LockMemo sells 1 one-off in-app purchase and Authenticator sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

LockMemo ships an update every 2 weeks, Authenticator every 5 weeks. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | LockMemo | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Size | 56 MB | 45 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | **iPhone, Mac** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [NIXLIGHT TECHNOLOGY LIMITED](https://appshunter.io/developer/6780908470) | [Naveed Ur Rahman Shah Ras khan](https://appshunter.io/developer/6791074317) |

## What reviewers say

### LockMemo

[App page](https://appshunter.io/ios/app/lockmemo-passwords-and-2fa/id6782010791)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LockMemo Premium (Lifetime) | $9.99 | one-time |


### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-otp-code-and-2fa/id6796319668)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $6.99 | per 7 days |
| Monthly Plan | $12.99 | per month |
| Yearly Subscription | $29.99 | per year |


## Frequently asked questions

### Is LockMemo free?

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

### Is Authenticator free?

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

### Do LockMemo or Authenticator have ads?

Neither LockMemo nor Authenticator shows ads.

### Which is updated more often, LockMemo or Authenticator?

LockMemo ships an update every 2 weeks, and Authenticator every 5 weeks. Most recently, LockMemo was updated on October 14, 2026 and Authenticator 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.*