# Lock Notes vs Flink

The clearest difference is in-app purchases: Flink at none against Lock Notes's 7. Flink also leads on update cadence (every 5 days vs every 10 days). Lock Notes's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Lock Notes sells 7 in-app purchases, starting at $4.99 per 7 days. Flink asks for nothing beyond the download.

Lock Notes ships an update every 10 days, Flink every 5 days. The most recent releases landed on October 26, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Lock Notes | Flink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (138 ratings)](https://appshunter.io/ios/app/lock-notes-private-journal/id1211884686/reviews)** | — |
| Number of ratings | **138** | — |
| Positive reviews | 54.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | Subscription | — |
| Size | 23 MB | 30 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [LYKOV STUDIO LTD](https://appshunter.io/developer/1783754094) | [Mats Hauge](https://appshunter.io/developer/662104045) |

## What reviewers say

### Lock Notes

[App page](https://appshunter.io/ios/app/lock-notes-private-journal/id1211884686)

Securely store private thoughts, passwords, and reminders with biometric authentication. Enjoy a simple, elegant interface with iCloud sync, customizable themes, and backup options. Your data remains private and encrypted.

**Highlights:** Biometric authentication (Face ID, Touch ID), Encrypted note storage, iCloud sync across devices, Customizable themes and dark mode, Backup and restore functionality, Ad-free minimalist interface

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Monthly | $7.99 | per month |
| Annual | $29.99 | per year |
| Annual | $29.99 | per year |
| Disable ads | $0.99 | one-time |
| Lifetime | $39.99 | one-time |


### Flink

[App page](https://appshunter.io/ios/app/flink/id6767494719)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lock Notes free?

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

### Is Flink free?

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

### Do Lock Notes or Flink have ads?

Neither Lock Notes nor Flink shows ads.

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

Lock Notes ships an update every 10 days, and Flink every 5 days. Most recently, Lock Notes was updated on October 26, 2026 and Flink on October 7, 2026.

---

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