# SpillStack vs Arc Plan

The clearest difference is in-app purchases: SpillStack at none against Arc Plan's 2. SpillStack also leads on update cadence (daily vs every 4 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Arc Plan sells 2 in-app purchases, starting at $7.99 per 7 days. SpillStack asks for nothing beyond the download.

SpillStack ships an update daily, Arc Plan every 4 months. Both last shipped on November 12, 2026.

## The numbers

| Metric | SpillStack | Arc Plan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/spillstack/id6755917648/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 months |
| Monetization | Free | — |
| Size | 38 MB | 61 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Damian Mathews](https://appshunter.io/developer/1857271679) | [Aster Hills LLC](https://appshunter.io/developer/1545829321) |

## What reviewers say

### SpillStack

[App page](https://appshunter.io/ios/app/spillstack/id6755917648)

Capture and organize all your thoughts, from voice notes to text entries. This AI-powered tool automatically categorizes your input into tasks, ideas, projects, and more, providing summaries and tags for effortless management.

**Highlights:** Capture voice and text input, AI-powered categorization, Automatic summarization, Automated tagging, Organizes into tasks, ideas, projects, learning, research, Cross-device compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### Arc Plan

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

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

**In-app purchases (2)**

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


## Frequently asked questions

### Is SpillStack free?

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

### Is Arc Plan free?

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

### Do SpillStack or Arc Plan have ads?

Neither SpillStack nor Arc Plan shows ads.

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

SpillStack ships an update daily, and Arc Plan every 4 months. Most recently, SpillStack was updated on November 12, 2026 and Arc Plan on November 12, 2026.

---

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