# Lock Notes vs Aimpact

The clearest difference is in-app purchases: Aimpact at none against Lock Notes's 3. Lock Notes's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Lock Notes sells 3 in-app purchases, starting at $14.99 per year. Aimpact asks for nothing beyond the download.

Lock Notes ships an update every 10 days, Aimpact every 6 days. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Lock Notes | Aimpact |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.1K ratings)](https://appshunter.io/ios/app/lock-notes-passcode-protect/id1033962570/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 73.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 6 days** |
| Monetization | Subscription | — |
| Size | 8 MB | 42 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [JulyApps Ltd](https://appshunter.io/developer/427694580) | [OwlFlow Software Ltd.](https://appshunter.io/developer/1610324763) |

## What reviewers say

### Lock Notes

[App page](https://appshunter.io/ios/app/lock-notes-passcode-protect/id1033962570)

Securely store and protect your private notes with a passcode or Touch ID. Keep sensitive information like passwords, secrets, and diary entries safe from unauthorized access. Backup and sync notes across devices, customize their appearance, and even add images.

**Highlights:** Passcode and Touch ID protection, Security question recovery, iCloud backup and sync, Customizable font style and size, Insert images into notes, Print and share notes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Auto Backup | $14.99 | per year |
| Unlimited Notes | $4.99 | one-time |
| Lock Notes Pro | $9.99 | one-time |

**What reviewers like**

- 🔒 Secure notes
- 👍 Easy to use
- 🚀 Convenient
- 🔑 Passcode/biometric protection
- 💾 Cloud backup

**What reviewers complain about**

- 🔒 Limited free notes
- 💰 Paywall for advanced features
- 🐛 Crashes and data loss issues
- 🔍 Lack of search functionality
- 📁 No folder organization

**Reported bugs**

- Notes disappearing after updates
- Inability to access notes after device reset
- Sync issues between devices

**Requested features**

- Advanced formatting options
- Ability to change passcode
- Improved search capabilities
- Folder/organization system
- Better backup and restore options


### Aimpact

[App page](https://appshunter.io/ios/app/aimpact/id6444389856)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lock Notes free?

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

### Is Aimpact free?

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

### Do Lock Notes or Aimpact have ads?

Neither Lock Notes nor Aimpact shows ads.

### Which is updated more often, Lock Notes or Aimpact?

Lock Notes ships an update every 10 days, and Aimpact every 6 days. Most recently, Lock Notes was updated on October 14, 2026 and Aimpact on October 3, 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.*