Comparison

NoteStream vs Keepstack

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

Head to head
About

NoteStream

Features
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NoteStream is a fast, distraction free note taking app designed to keep your ideas flowing. Capture, organize, and revisit your thoughts instantly, even without an internet connection. Whether you're jotting down a quick idea, writing meeting notes, recording an audio note, or building a personal knowledge base, NoteStream stays out of your way so you can focus on what matters: thinking clearly. Key Features: • Lightning fast capture: start writing the moment you open the app • Works offline: your notes are always available, no internet required • Clean, minimal interface: no clutter, just your thoughts • Sync across devices: pick up right where you left off • Organize effortlessly: keep your notes structured without the overhead • Shortcuts: use Siri shortcuts to capture voice and text notes instantly • Relations: link notes and build connections between ideas • Multiplayer editing: share notes and collaborate in real time • Hashtags and mentions: organize and connect ideas effortlessly • Offline search: quickly find anything with powerful filters • To dos: get that satisfying dopamine hit when you complete tasks NoteStream is built for thinkers, writers, builders, and anyone who wants a better way to capture and connect ideas without friction.

About

Keepstack

Features
Read full description

Stop losing the things you save. Keepstack is the private, AI-powered home for everything worth keeping — links, notes, photos, screenshots, videos, voice memos, and PDFs — and it actually helps you find them again. SAVE ANYTHING, FROM ANYWHERE • Share from any app — Safari, social media, Photos — straight into your stack • Write quick notes, paste links, import photos and screenshots, record voice memos, or add videos and PDFs in one tap • Saved web pages keep their title, picture, and full text — readable and searchable even if the page disappears • Add your own note to anything you save — a link, a photo, a PDF AI THAT WORKS FOR YOU (AND STAYS ON YOUR IPHONE) • Reads the text inside your screenshots automatically • Transcribes your voice memos so you can read and search them • Writes key-point summaries of the pages you save • Tags and sorts everything into smart categories — Recipes, Travel, Finance, Tech, and more ORGANIZE YOUR WAY • Group saves into collections — pick a color or give each folder its own emoji • Lock private collections with Face ID • Browse as beautiful cards or a compact list, your choice • Six content types in one calm, beautiful library FIND IT BY MEANING, NOT JUST WORDS • Search understands what you mean — "that pasta sauce" finds the recipe even if those words aren't in it • Even the words inside your screenshots and voice memos are searchable • Your saves appear in iPhone Spotlight search too PRIVATE BY DESIGN • No account. No tracking. No ads. • All AI runs on your device using Apple frameworks — your content never leaves your iPhone • Optional iCloud sync, encrypted under your own Apple ID KEEPSTACK PRO Save up to 50 items free. Go Pro for unlimited saves with a simple subscription — monthly or yearly. Payment is charged to your Apple ID account. Subscriptions renew automatically unless cancelled at least 24 hours before the period ends. Manage or cancel anytime in Settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://snrgwa-bot.github.io/Keepstack/privacy.html

Screenshots

NoteStream3 screens
Keepstack4 screens

Verdict

The call

The clearest difference is in-app purchases: NoteStream at none against Keepstack's 2. NoteStream also leads on iOS requirement (14.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Keepstack sells 2 in-app purchases, starting at $5.99 per month. NoteStream asks for nothing beyond the download.

UpkeepUpdate frequency

NoteStream ships an update fortnightly, Keepstack every 4 weeks. The most recent releases landed on October 5, 2026 and October 21, 2026 respectively.

Scorecard2 real differences Ā· 4 level
NoteStream versus Keepstack: the parameters behind the verdict, then further details
ParameterNoteStreamKeepstack
PriceFreeFree
Update frequencyFortnightly — betterEvery 4 weeks
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better17.0
Further details — not scored
Size43 MB6 MB
Age rating4+4+
DeveloperIdeaFlow, Inc.DUMITRU BUMBU

In-app purchases

None

NoteStream

No in-app purchases

2 purchases

Keepstack

Subscriptions2
  • Pro Annual$5.991 Month
  • Pro Annual$59.991 Year

Questions

Is NoteStream free?
NoteStream is free to download, with no in-app purchases.
Is Keepstack free?
Keepstack is free to download, with in-app purchases available.
Do NoteStream or Keepstack have ads?
Neither NoteStream nor Keepstack shows ads.
Which is updated more often, NoteStream or Keepstack?
NoteStream ships an update fortnightly, and Keepstack every 4 weeks. Most recently, NoteStream was updated on October 5, 2026 and Keepstack on October 21, 2026.

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