# Locked Notes° vs SlangPop

The clearest difference is in-app purchases: Locked Notes° at none against SlangPop's 1. Locked Notes° also leads on update cadence (every 2 months vs every 11 months) and iOS requirement (13.0 vs 18.1). On price, ads and device support there is nothing between them.

Both are free to download. SlangPop sells 1 one-off in-app purchase. Locked Notes° asks for nothing beyond the download.

Locked Notes° ships an update every 2 months, SlangPop every 11 months. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Locked Notes° | SlangPop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (365 ratings)](https://appshunter.io/ios/app/locked-notes/id1596300698/reviews)** | — |
| Number of ratings | **365** | — |
| Positive reviews | 92.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 11 months |
| Monetization | Free | — |
| Size | 28 MB | 17 MB |
| Requires iOS | **13.0** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Adam Cziko](https://appshunter.io/developer/1508288501) | [Maojian Tang](https://appshunter.io/developer/1006529690) |

## What reviewers say

### Locked Notes°

[App page](https://appshunter.io/ios/app/locked-notes/id1596300698)

Securely store your private thoughts and ideas with this app. It offers robust organization and advanced editing tools, all protected by biometric authentication for ultimate privacy. Your notes are automatically hidden and locked when the app is in the background.

**Highlights:** Biometric authentication (Face ID/Touch ID), Organize notes in folders, Search notes and folders, Advanced note editing, Automatic background hiding and locking

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 🔒 Secure with face recognition
- 📁 Good folder organization
- ✍️ Customizable text formatting
- 🆓 Free premium access

**What reviewers complain about**

- 🐛 Occasional crashes or data loss
- 📋 Limited copy/paste functionality
- 🔍 Lack of search option within notes
- 🌙 No dark mode option

**Reported bugs**

- Inconsistent face recognition
- Notes sometimes disappearing

**Requested features**

- Backup and restore functionality
- Password protection for individual notes
- Ability to select and edit specific text
- Cross-device syncing


### SlangPop

[App page](https://appshunter.io/ios/app/slangpop/id6744886874)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Slang Pop Premium Features | $1.99 | one-time |


## Frequently asked questions

### Is Locked Notes° free?

Locked Notes° is free to download, with no in-app purchases.

### Is SlangPop free?

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

### Do Locked Notes° or SlangPop have ads?

Neither Locked Notes° nor SlangPop shows ads.

### Which is updated more often, Locked Notes° or SlangPop?

Locked Notes° ships an update every 2 months, and SlangPop every 11 months. Most recently, Locked Notes° was updated on October 18, 2026 and SlangPop on October 7, 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.*