# LetNote vs LockMan

The clearest difference is update cadence: LockMan at every 4 days against LetNote's every 9 months. LetNote's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. LetNote sells 4 in-app purchases, starting at $0.99 per month and LockMan sells 2 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

LetNote ships an update every 9 months, LockMan every 4 days. The most recent releases landed on October 2, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | LetNote | LockMan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 days** |
| Size | 49 MB | 1 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [前山 瓮](https://appshunter.io/developer/1633457447) | [浩东 邱](https://appshunter.io/developer/1493267968) |

## What reviewers say

### LetNote

[App page](https://appshunter.io/ios/app/letnote/id1670928911)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro(Monthly) | $0.99 | per month |
| Pro(Six Month) | $5.99 | per 6 months |
| Pro(Annual) | $9.99 | per year |
| Pro(Lifetime) | $12.99 | one-time |


### LockMan

[App page](https://appshunter.io/ios/app/lockman/id6443619333)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $0.49 | per month |
| Annual subscription | $3.99 | per year |


## Frequently asked questions

### Is LetNote free?

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

### Is LockMan free?

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

### Do LetNote or LockMan have ads?

Neither LetNote nor LockMan shows ads.

### Which is updated more often, LetNote or LockMan?

LetNote ships an update every 9 months, and LockMan every 4 days. Most recently, LetNote was updated on October 2, 2026 and LockMan on October 19, 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.*