Comparison

Atomic KB vs chat2do

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

chat2do

Features
Read full description

The easiest way to manage your daily life. chat2do is an AI-powered assistant that turns your messages into tasks and reminders instantly. Stop worrying about forgetting the small things. Whether it's a big work project or just a simple reminder to buy bread on your way home, just text Chat2do. Our smart AI understands your intent and organizes your day so you don't have to. Why Chat2do? Frictionless Reminders: Just type "Buy bread at 6pm" and consider it done. Smart Tasks: Organize complex goals with simple chat commands. Simple & Fast: No menus, no formsβ€”just chat.

Screenshots

Atomic KB4 screens
chat2do4 screens

Verdict

The call

The clearest difference is update cadence: chat2do 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, chat2do weekly. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

Scorecard1 real difference Β· 5 level
Atomic KB versus chat2do: the parameters behind the verdict, then further details
ParameterAtomic KBchat2do
PriceFreeFree
Update frequencyEvery 2 monthsWeekly β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS15.0 β€” better15.1
Further details β€” not scored
Size6 MB38 MB
Age rating4+4+
DeveloperFoldspace Labs LLCNihad Abdullayev

In-app purchases

None

Atomic KB

No in-app purchases

None

chat2do

No in-app purchases

Questions

Is Atomic KB free?
Atomic KB is free to download, with no in-app purchases.
Is chat2do free?
chat2do is free to download, with no in-app purchases.
Do Atomic KB or chat2do have ads?
Neither Atomic KB nor chat2do shows ads.
Which is updated more often, Atomic KB or chat2do?
Atomic KB ships an update every 2 months, and chat2do weekly. Most recently, Atomic KB was updated on October 5, 2026 and chat2do on October 24, 2026.

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