# Piggy Knowledge vs Lock Screen Notes

The clearest difference is iOS requirement: Piggy Knowledge at 11.0 against Lock Screen Notes's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Piggy Knowledge sells 1 one-off in-app purchase and Lock Screen Notes sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Piggy Knowledge | Lock Screen Notes |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 95 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rolling Pig Studio](https://appshunter.io/developer/1039625108) | [N-Verse LLC](https://appshunter.io/developer/1868412567) |

## What reviewers say

### Piggy Knowledge

[App page](https://appshunter.io/ios/app/piggy-knowledge/id6466038846)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |


### 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 |


## Frequently asked questions

### Is Piggy Knowledge free?

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

### Is Lock Screen Notes free?

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

### Do Piggy Knowledge or Lock Screen Notes have ads?

Neither Piggy Knowledge nor Lock Screen Notes shows ads.

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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.*