# Hacker Notes Pro vs Arca

The clearest difference is update cadence: Arca at every 6 days against Hacker Notes Pro's monthly. 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.

Hacker Notes Pro ships an update monthly, Arca every 6 days. The most recent releases landed on September 18, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Hacker Notes Pro | Arca |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Size | 23 MB | 48 MB |
| Requires iOS | **15** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sherry Games Private Limited](https://appshunter.io/developer/1874674165) | [GRE Development Ltd](https://appshunter.io/developer/1810332846) |

## What reviewers say

### Hacker Notes Pro

[App page](https://appshunter.io/ios/app/hacker-notes-pro/id6759049321)

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

**In-app purchases:** none


### Arca

[App page](https://appshunter.io/ios/app/arca-modern-task-management/id6761739879)

**In-app purchases:** none


## Frequently asked questions

### Is Hacker Notes Pro free?

Hacker Notes Pro is free to download, with no in-app purchases.

### Is Arca free?

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

### Do Hacker Notes Pro or Arca have ads?

Neither Hacker Notes Pro nor Arca shows ads.

### Which is updated more often, Hacker Notes Pro or Arca?

Hacker Notes Pro ships an update monthly, and Arca every 6 days. Most recently, Hacker Notes Pro was updated on September 18, 2026 and Arca on September 13, 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.*