Comparison

Paper Planner Sidekick vs SpillStack

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Paper Planner Sidekick

Features
Read full description

YOUR PAPER NOTEBOOK, NOW WITH SUPERPOWERS Numly is the missing link between your analog system and the digital world. Whether you do GTD on paper, keep a paper planner, or take handwritten meeting notes — Numly gives you a simple way to reference any digital content from your pages. Save links, photos, files, and quick thoughts with simple codes you can write anywhere. Index your paper notebook with the digital world. YOUR DIGITAL COMPANION Find something useful online? Save it in Numly, write the code in your notebook, access it anytime. Your paper notes now have superpowers. NOW WITH QUICK NOTES Don't have a URL? Save text notes directly. Capture ideas, quotes, or reminders instantly - perfect for when your notebook isn't nearby. PERSONALIZE YOUR EXPERIENCE Paper lovers customize everything - now Numly does too: - Choose colors for each content type (URLs, photos, files, notes) - Set your own accent color throughout the app - Fresh redesigned cards with your personal color palette - Light and dark mode with your colors HOW IT WORKS 1. Save any link, photo, file, or note - get a simple code 2. Write the code in your notebook, planner, or paper planner 3. Type the code in Numly to access your content instantly PERFECT FOR - paper planner enthusiasts (paper planner + digital = superpowers) - GTD practitioners who plan on paper - Paper planner users who find articles and resources online - Students with handwritten notes and digital references - Meeting note-takers who need to reference URLs and files - Anyone who organizes on paper and lives in a digital world KEY FEATURES - Quick notes for instant text capture - Inbox & Logged workflow for organized tracking - Safari extension for one-tap link saving - iCloud sync across iPhone, iPad, and Mac - Full preview for photos and documents - Clean, distraction-free interface SIMPLE AND FOCUSED No accounts, no ads, no tracking. Just your digital companion, beautifully personalized. One-time purchase. All features unlocked forever.

About

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.

Highlights
  • Capture voice and text input
  • AI-powered categorization
  • Automatic summarization
  • Automated tagging
  • Organizes into tasks, ideas, projects, learning, research
  • Cross-device compatibility
Features
Read full description

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.

Screenshots

Paper Planner Sidekick4 screens
SpillStack4 screens

Verdict

The call

The clearest difference is in-app purchases: SpillStack at none against Paper Planner Sidekick's 1. SpillStack also leads on update cadence (daily vs every 9 days) and iOS requirement (15.1 vs 26.0). On price, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Paper Planner Sidekick sells 1 one-off in-app purchase. SpillStack asks for nothing beyond the download.

UpkeepUpdate frequency

Paper Planner Sidekick ships an update every 9 days, SpillStack daily. Both last shipped on November 5, 2026.

Scorecard3 real differences · 7 level
Paper Planner Sidekick versus SpillStack: the parameters behind the verdict, then further details
ParameterPaper Planner SidekickSpillStack
PriceFreeFree
Rating—5.0 (9 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—9 — better
Update frequencyEvery 9 daysDaily — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS26.015.1 — better
Further details — not scored
Size67 MB38 MB
Age rating17+4+
DeveloperDavid Collado SelaDamian Mathews

In-app purchases

1 purchases

Paper Planner Sidekick

One-time1
  • Numly lifetime$4.99
None

SpillStack

No in-app purchases

Questions

Is Paper Planner Sidekick free?
Paper Planner Sidekick is free to download, with in-app purchases available.
Is SpillStack free?
SpillStack is free to download, with no in-app purchases.
Do Paper Planner Sidekick or SpillStack have ads?
Neither Paper Planner Sidekick nor SpillStack shows ads.
Which is updated more often, Paper Planner Sidekick or SpillStack?
Paper Planner Sidekick ships an update every 9 days, and SpillStack daily. Most recently, Paper Planner Sidekick was updated on November 5, 2026 and SpillStack on November 5, 2026.

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