# RockFocus vs ArkNote

The clearest difference is iOS requirement: ArkNote at 17.0 against RockFocus's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. RockFocus sells 3 in-app purchases, starting at $1.99 per month and ArkNote sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on September 16, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | RockFocus | ArkNote |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Free with in-app purchases | — |
| Size | 29 MB | 11 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [佳成 王](https://appshunter.io/developer/1741660781) | [LexyTech Ltd.](https://appshunter.io/developer/1643712954) |

## What reviewers say

### RockFocus

[App page](https://appshunter.io/ios/app/rockfocus-focus-tracker/id6788279691)

This app uses a unique rock animation to track focused work sessions. Log your thoughts, visualize progress over time with calendar views and summaries, and sync data across devices. Unlock premium features for enhanced productivity.

**Highlights:** Calm rock animation timer, Customizable session labels, Optional post-session thoughts, Calendar and summary views, iCloud data synchronization, Haptic feedback and alternate icons

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $12.99 | per year |
| Lifetime | $29.99 | one-time |


### ArkNote

[App page](https://appshunter.io/ios/app/arknote-adhd-friendly-notes/id6800532358)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $6.99 | per year |
| PRO | $14.99 | one-time |


## Frequently asked questions

### Is RockFocus free?

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

### Is ArkNote free?

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

### Do RockFocus or ArkNote have ads?

Neither RockFocus nor ArkNote shows ads.

### Which is updated more often, RockFocus or ArkNote?

RockFocus ships an update every 3 days, and ArkNote every 3 days. Most recently, RockFocus was updated on September 16, 2026 and ArkNote on September 28, 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.*