Comparison

Wisen vs Shared Calendar

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

Shared Calendar

Features
Read full description

Stop retyping your schedule everywhere. Loop is the shared calendar that actually keeps up with your life. Coaches email schedules. Schools send PDFs. Your boss texts you shift changes. Instead of manually entering everything into your calendar, just paste it into Loop — the AI reads it and creates the events for you. PASTE ANY SCHEDULE, INSTANTLY Copy a schedule from an email, a text, or a group chat and paste it into Loop. Or snap a photo of a printed schedule. Loop's AI turns it into calendar events in seconds — no manual typing required. SHARE WITH EVERYONE WHO NEEDS TO KNOW Create a group and invite family members, teammates, or coworkers with a single shareable link. Everyone sees the same calendar. No more "wait, when is that again?" texts. COORDINATE AS A GROUP Propose events to your group and let everyone accept or decline. Flag events that need attention. Everyone stays in the loop without the group chat chaos. WORKS FOR EVERYONE Sports parents juggling practice schedules. Couples coordinating busy weeks. Friend groups planning events. Families keeping everyone on the same page. Free to get started. Loop Pro unlocks the AI schedule parser, unlimited groups, proposed events, event flagging, and all 10 themes — $4.99/month or $39.99/year. Try Pro free for 7 days.

Screenshots

Wisen4 screens
Shared Calendar4 screens

Verdict

The call

The clearest difference is in-app purchases: Wisen at none against Shared Calendar's 2. Shared Calendar's advantage is iOS requirement (15.1 vs 18.0). On price, update cadence, 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. Shared Calendar sells 2 in-app purchases, starting at $4.99 per month. Wisen asks for nothing beyond the download.

UpkeepUpdate frequency

Wisen ships an update every 6 days, Shared Calendar weekly. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

Scorecard2 real differences · 8 level
Wisen versus Shared Calendar: the parameters behind the verdict, then further details
ParameterWisenShared Calendar
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 days — betterWeekly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size21 MB35 MB
Age rating4+4+
DeveloperDARIA LENSKAJAAustin Leitmann

In-app purchases

None

Wisen

No in-app purchases

2 purchases

Shared Calendar

Subscriptions2
  • Loop Pro Monthly$4.991 Month
  • Loop Pro Yearly$39.991 Year

Questions

Is Wisen free?
Wisen is free to download, with no in-app purchases.
Is Shared Calendar free?
Shared Calendar is free to download, with in-app purchases available.
Do Wisen or Shared Calendar have ads?
Neither Wisen nor Shared Calendar shows ads.
Which is updated more often, Wisen or Shared Calendar?
Wisen ships an update every 6 days, and Shared Calendar weekly. Most recently, Wisen was updated on September 18, 2026 and Shared Calendar on September 9, 2026.

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