# Arc Plan vs Orbit

The clearest difference is ads: Orbit at none against Arc Plan's shown. Orbit also leads on update cadence (every 9 days vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Arc Plan sells 2 in-app purchases, starting at $7.99 per 7 days and Orbit sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Arc Plan ships an update every 4 months, Orbit every 9 days. The most recent releases landed on September 30, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Arc Plan | Orbit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 9 days** |
| Size | 61 MB | 16 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aster Hills LLC](https://appshunter.io/developer/1545829321) | [Runtime Labs LLC](https://appshunter.io/developer/6781023315) |

## What reviewers say

### Arc Plan

[App page](https://appshunter.io/ios/app/arc-plan-ai-habit-planner/id6757360512)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $7.99 | per 7 days |
| Premium Yearly | $49.99 | per year |


### Orbit

[App page](https://appshunter.io/ios/app/orbit-second-brain/id6781023313)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Orbit Pro (Monthly) | $4.99 | per month |
| Orbit Pro (Yearly) | $49.99 | per year |


## Frequently asked questions

### Is Arc Plan free?

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

### Is Orbit free?

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

### Do Arc Plan or Orbit have ads?

Arc Plan shows ads; Orbit does not.

### Which is updated more often, Arc Plan or Orbit?

Arc Plan ships an update every 4 months, and Orbit every 9 days. Most recently, Arc Plan was updated on September 30, 2026 and Orbit on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*