Comparison

Atomic KB vs Aether

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

Head to head
About

Atomic KB

Features
Read full description

Atomic is a client for your self-hosted Atomic knowledge base. It connects to your own server to give you mobile access to your notes, saved articles, and semantic search. Save any web page from Safari or any browser using the Share Extension β€” Atomic automatically extracts the article content, generates embeddings, and connects it to your existing knowledge. Features: - Browse, create, and edit markdown notes - Save web articles from any app via the Share Extension - Semantic and hybrid search across your knowledge base - Hierarchical tag browsing - Offline support with local caching - Connect via QR code or manual setup Requires a self-hosted Atomic server. Learn more at https://github.com/kenforthewin/atomic

About

Aether

Features
Read full description

Aether turns every link you save into structured knowledge. Drop any URL β€” YouTube videos, Instagram posts, articles, research papers, blog posts β€” and AI automatically extracts, transcribes, analyzes, and summarizes the content into your personal searchable vault. HOW IT WORKS: 1. Share a link from any app (YouTube, Instagram, Safari, Chrome) 2. AI extracts content β€” transcribes videos, OCRs images, scrapes articles 3. Get rich AI-generated summaries with key insights and entities 4. Search your entire vault by meaning, not just keywords KEY FEATURES: β€’ Instant Capture β€” Share from any app via iOS Share Extension β€’ YouTube Transcription β€” Gemini AI transcribes video audio β€’ Instagram Vision β€” AI analyzes carousel images with OCR β€’ AI Summaries β€” Claude generates structured insights β€’ Semantic Search β€” Find anything by meaning using vector embeddings β€’ Auto-Labels β€” Content auto-organized by source (YouTube, Instagram, GitHub, etc.) β€’ Bilingual β€” Full English and Turkish language support β€’ Dark Mode β€” Beautiful obsidian dark interface SUPPORTED SOURCES: YouTube, Instagram, Twitter/X, Reddit, GitHub, Medium, Wikipedia, arXiv, Stack Overflow, Hacker News, and any web page. Your knowledge, always searchable, always yours.

Screenshots

Atomic KB4 screens
Aether4 screens

Verdict

The call

The clearest difference is update cadence: Aether at weekly against Atomic KB's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Atomic KB ships an update every 2 months, Aether weekly. The most recent releases landed on September 18, 2026 and May 16, 2026 respectively.

Scorecard1 real difference Β· 5 level
Atomic KB versus Aether: the parameters behind the verdict, then further details
ParameterAtomic KBAether
PriceFreeFree
Update frequencyEvery 2 monthsWeekly β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS15.015.0
Further details β€” not scored
Size6 MB18 MB
Age rating4+4+
DeveloperFoldspace Labs LLCCritical Dynamics OU

In-app purchases

None

Atomic KB

No in-app purchases

None

Aether

No in-app purchases

Questions

Is Atomic KB free?
Atomic KB is free to download, with no in-app purchases.
Is Aether free?
Aether is free to download, with no in-app purchases.
Do Atomic KB or Aether have ads?
Neither Atomic KB nor Aether shows ads.
Which is updated more often, Atomic KB or Aether?
Atomic KB ships an update every 2 months, and Aether weekly. Most recently, Atomic KB was updated on September 18, 2026 and Aether on May 16, 2026.

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