# Thermolabo vs Lock Screen Notes

The clearest difference is in-app purchases: Thermolabo at none against Lock Screen Notes's 4. Thermolabo also leads on iOS requirement (13.1 vs 17.0). Lock Screen Notes's advantage is update cadence (weekly vs monthly). 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. Thermolabo asks for nothing beyond the download.

Thermolabo ships an update monthly, Lock Screen Notes weekly. The most recent releases landed on October 5, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Thermolabo | 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 13 MB | 95 MB |
| Requires iOS | **13.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [THERMOLABO](https://appshunter.io/developer/1499141667) | [N-Verse LLC](https://appshunter.io/developer/1868412567) |

## What reviewers say

### Thermolabo

[App page](https://appshunter.io/ios/app/thermolabo/id1499141668)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Thermolabo free?

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

### Is Lock Screen Notes free?

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

### Do Thermolabo or Lock Screen Notes have ads?

Neither Thermolabo nor Lock Screen Notes shows ads.

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

Thermolabo ships an update monthly, and Lock Screen Notes weekly. Most recently, Thermolabo was updated on October 5, 2026 and Lock Screen Notes on October 19, 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.*