# 2ndBrainAI vs Wisen

The clearest difference is rating: 2ndBrainAI at 5.0 against Wisen's 3.0. 2ndBrainAI also leads on iOS requirement (15.0 vs 18.0). Wisen's advantage is device support. On price, ratings volume, in-app purchases and monetization model there is nothing between them.

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

2ndBrainAI holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | 2ndBrainAI | Wisen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/2ndbrainai/id6755411400/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/wisen-ai-notes-and-knowledge/id6760642726/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 6 days |
| Monetization | Free | Free |
| Size | 51 MB | 21 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Vishruth Bharadwaj](https://appshunter.io/developer/1853722918) | [DARIA LENSKAJA](https://appshunter.io/developer/1885471826) |

## What reviewers say

### 2ndBrainAI

[App page](https://appshunter.io/ios/app/2ndbrainai/id6755411400)

This AI-powered productivity tool acts as a second brain, proactively organizing your tasks, calendar, and emails. It provides personalized insights and reminders through various channels to help you focus on your most important work and build momentum.

**Highlights:** Proactive AI productivity OS, AI Brain Chat Coach, Voice-to-Task creation, Smart Calendar and Email Sync, Proactive WhatsApp Reminders, Fitness Intelligence integration, Daily Flow Score and Momentum Tracking

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 2ndBrainAI free?

2ndBrainAI is free to download, with no in-app purchases.

### Is Wisen free?

Wisen is free to download, with no in-app purchases.

### Which has better reviews, 2ndBrainAI or Wisen?

2ndBrainAI is rated higher. 2ndBrainAI averages 5.0 out of 5 from 2 ratings, while Wisen averages 3.0 from 1 ratings.

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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.*