# Wisen vs Shared Calendar

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.

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.

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

## The numbers

| Metric | Wisen | Shared Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/wisen-ai-notes-and-knowledge/id6760642726/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | Free | — |
| Size | 21 MB | 35 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DARIA LENSKAJA](https://appshunter.io/developer/1885471826) | [Austin Leitmann](https://appshunter.io/developer/1896539838) |

## What reviewers say

### Wisen

[App page](https://appshunter.io/ios/app/wisen-ai-notes-and-knowledge/id6760642726)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Shared Calendar

[App page](https://appshunter.io/ios/app/shared-calendar-loop/id6768106004)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Loop Pro Monthly | $4.99 | per month |
| Loop Pro Yearly | $39.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*