Comparison

Wisen vs memory.wiki

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

Head to head
About

Wisen

This app intelligently analyzes your notes to surface forgotten ideas, patterns, and unresolved questions. It offers daily digests, AI-powered chat for querying your notes, and visual knowledge mapping. Learn and retain information effectively through spaced repetition.

Highlights
  • AI-powered idea surfacing
  • Daily note digests
  • AI chat for note queries
  • Visual knowledge mapping
  • Spaced repetition learning
  • PDF, image, and voice import
Features
Read full description

Most notes apps are just storage. You write something, it disappears into a list, and you never think about it again. Wisen works differently — it reads what you write and brings the right ideas back at the right moment. Echo finds threads across your notes and turns them into questions worth sitting with. Not generic prompts — specific questions built from what you actually wrote. Sometimes it connects two notes from different weeks and surfaces a pattern you hadn't noticed. Each session feels less like a review and more like continuing a conversation you forgot you started. Pulse delivers a daily brief built entirely from your recent notes. What you've been thinking about, what's still unresolved, what questions are worth returning to. It also drafts LinkedIn posts, emails, and more directly from your notes — your voice, your ideas, not a generic AI output. WisenChat lets you ask anything about your notes. What did you write about this topic last month? What's still unresolved? What decisions are you avoiding? It answers from your actual notes with citations — so you always know where the insight came from. Knowledge Map shows how your notes connect visually. Tap a link to open a cross-note Echo session between two related ideas. The map grows richer the more you write. Spaced repetition tracks which ideas you've genuinely learned and which ones need revisiting — at the block level, using a modified SM-2 algorithm. Mastered content is excluded automatically so you're never drilling what you already know. Everything is encrypted with AES-256-GCM before leaving your phone. AI features use OpenAI — only the content you actively engage with is ever processed, and none of your notes are used to train their models. Import PDFs, scan handwritten notes, drop in images and voice recordings. Works in 16 languages. No account required to start. The longer you use Wisen, the more useful it becomes. Your notes compound into real knowledge instead of disappearing.

About

memory.wiki

Features
Read full description

memory.wiki is a personal knowledge hub for the AI era — on the web. This is the companion app that goes with you. Capture a note, a URL, a photo, or a voice memo, and it lands in your hub. Read everything you've saved on your phone. Chat with your hub, or paste its URL into Claude, ChatGPT, Gemini, or any LLMs. CAPTURE • Write: quick markdown notes • URL: paste any link, the server fetches it and stores a clean markdown copy • Photo: attach images straight from camera or library • OCR: extract text from a photo • Voice: transcribe speech to text • Home-screen widget: Ask, Search, Paste, or Capture in one tap READ • Every document in your hub, sorted by date • The same markdown rendering as memory.wiki on the web • Group documents into Bundles by topic, project, or audience USE • Built-in chat over your hub, answers cite the source • Share a Bundle with any AI by pasting its URL • memory.wiki/@yourname, one URL for your whole hub, ready to hand to Claude, ChatGPT, Gemini, or any LLMs. memory.wiki is free to use during beta. The web hub stays the source of truth — every change syncs both ways. Privacy: notes, photos, audio, and email are tied to your account. None of it is used for tracking, advertising, or sold to third parties. See memory.wiki/privacy for details.

Screenshots

Wisen4 screens
memory.wiki4 screens

Verdict

The call

Wisen and memory.wiki are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Wisen ships an update every 6 days, memory.wiki every 5 days. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

ScorecardNo meaningful differences
Wisen versus memory.wiki: the parameters behind the verdict, then further details
ParameterWisenmemory.wiki
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 daysEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS18.017.0 — better
Further details — not scored
Size21 MB10 MB
Age rating4+4+
DeveloperDARIA LENSKAJAHyunsang Cho

In-app purchases

None

Wisen

No in-app purchases

None

memory.wiki

No in-app purchases

Questions

Is Wisen free?
Wisen is free to download, with no in-app purchases.
Is memory.wiki free?
memory.wiki is free to download, with no in-app purchases.
Do Wisen or memory.wiki have ads?
Neither Wisen nor memory.wiki shows ads.
Which is updated more often, Wisen or memory.wiki?
Wisen ships an update every 6 days, and memory.wiki every 5 days. Most recently, Wisen was updated on October 6, 2026 and memory.wiki on October 8, 2026.

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