# All Sensors vs HelixNotes

The clearest difference is update cadence: All Sensors at fortnightly against HelixNotes's monthly. HelixNotes's advantage is iOS requirement (14.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

All Sensors ships an update fortnightly, HelixNotes monthly. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | All Sensors | HelixNotes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/helixnotes/id6788490726/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | — | Free |
| Size | 11 MB | 20 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [1Moby Co., Ltd.](https://appshunter.io/developer/492061760) | [Yuri Karamian](https://appshunter.io/developer/6788490728) |

## What reviewers say

### All Sensors

[App page](https://appshunter.io/ios/app/all-sensors/id6776145177)

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

**In-app purchases:** none


### HelixNotes

[App page](https://appshunter.io/ios/app/helixnotes/id6788490726)

A private, open-source Markdown note-taking app that keeps your data on your device. Organize notes with notebooks, tags, and wiki links, and utilize advanced features like mathematical notation and diagrams.

**Highlights:** Local Markdown storage, Visual and source code editor, Notebooks, tags, and wiki links, Task management and calendar views, KaTeX and Mermaid diagram support, Version history and backups, Optional WebDAV sync

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

**In-app purchases:** none


## Frequently asked questions

### Is All Sensors free?

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

### Is HelixNotes free?

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

### Do All Sensors or HelixNotes have ads?

Neither All Sensors nor HelixNotes shows ads.

### Which is updated more often, All Sensors or HelixNotes?

All Sensors ships an update fortnightly, and HelixNotes monthly. Most recently, All Sensors was updated on October 7, 2026 and HelixNotes on October 6, 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.*