SpillStack vs Arc Plan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SpillStack
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.
- Capture voice and text input
- AI-powered categorization
- Automatic summarization
- Automated tagging
- Organizes into tasks, ideas, projects, learning, research
- Cross-device compatibility
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SpillStack lets you dump anything (voice or text) into one place. The AI instantly reads it, understands it, and sorts it into: - Tasks - Ideas - Projects - Learning - Research and more. It adds summaries and tags automatically. Your thoughts go in messy... they come out organized.
Arc Plan
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Tell us your goal. Get a personalized daily plan you'll actually follow. Arc Plan is the AI goal planner that turns one big goal - fitness, business, study, creativity, health - into small daily habits built around your real schedule. No more figuring out what to do tomorrow. Your plan adapts as you go. WHAT YOU CAN PLAN - Get fitter — run a 10K, lift heavier, lose weight - Learn faster — read more, study a language, finish a course - Build a side business or portfolio - Sleep better, eat cleaner, meditate daily - Anything you've been meaning to start Real change is what you do on a Tuesday when no one's watching. Start small, stay steady. Download Arc Plan and turn intention into action - daily. Subscription & Terms Some features may require a subscription. Payment will be charged to your Apple ID account. Subscription automatically renews unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. Terms of Use (EULA): https://asterhills.co/terms
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | SpillStack | Arc Plan |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (9 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Daily — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 38 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Damian Mathews | Aster Hills LLC |
In-app purchases
SpillStack
No in-app purchases
Arc Plan
- Premium Weekly$7.997 Days
- Premium Yearly3 Days trial$49.991 Year
