# Lock Screen Notes vs Ertech Bulut

The clearest difference is in-app purchases: Ertech Bulut at none against Lock Screen Notes's 4. Ertech Bulut also leads on iOS requirement (15.5 vs 17.0). Lock Screen Notes's advantage is update cadence (weekly vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Lock Screen Notes sells 4 in-app purchases, starting at $3.99 per month. Ertech Bulut asks for nothing beyond the download.

Lock Screen Notes ships an update weekly, Ertech Bulut every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Lock Screen Notes | Ertech Bulut |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lock-screen-notes-stickysort/id6759831551/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 95 MB | 129 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [N-Verse LLC](https://appshunter.io/developer/1868412567) | [Narbulut](https://appshunter.io/developer/1541832157) |

## What reviewers say

### Lock Screen Notes

[App page](https://appshunter.io/ios/app/lock-screen-notes-stickysort/id6759831551)

This app helps clear mental clutter by allowing users to capture thoughts as sticky notes and then sort them into categories like 'to do,' 'save for later,' or 'let go.' It's designed for individuals, especially those with ADHD, who struggle with traditional organization methods.

**Highlights:** Brain dump with sticky notes, Swipe to sort thoughts, Customizable sorting rules, Multiple note types, Notebooks and pages, Widgets for quick access, Dark mode support

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StickySort Pro Monthly | $3.99 | per month |
| StickySort PRO Starter | $3.99 | per month |
| StickySort Pro Annual | $32.99 | per year |
| StickySort Pro Lifetime | $62.99 | one-time |


### Ertech Bulut

[App page](https://appshunter.io/ios/app/ertech-bulut/id6771361855)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lock Screen Notes free?

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

### Is Ertech Bulut free?

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

### Do Lock Screen Notes or Ertech Bulut have ads?

Neither Lock Screen Notes nor Ertech Bulut shows ads.

### Which is updated more often, Lock Screen Notes or Ertech Bulut?

Lock Screen Notes ships an update weekly, and Ertech Bulut every 2 weeks. Most recently, Lock Screen Notes was updated on October 31, 2026 and Ertech Bulut on October 31, 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.*