# Eisenflow vs Knowto

The clearest difference is update cadence: Eisenflow at every 2 days against Knowto's every 10 days. Eisenflow also leads on iOS requirement (15.1 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Eisenflow sells 2 in-app purchases, starting at $5.99 per month and Knowto sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Eisenflow against 5.0 for Knowto. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Eisenflow ships an update every 2 days, Knowto every 10 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Eisenflow | Knowto |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/eisenflow/id6756710220/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/knowto-instant-note-taking/id6798763650/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 10 days |
| Monetization | Freemium | Freemium |
| Size | 52 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MindPower(HongKong) Limited](https://appshunter.io/developer/1722726836) | [Lumik LLC](https://appshunter.io/developer/1860645804) |

## What reviewers say

### Eisenflow

[App page](https://appshunter.io/ios/app/eisenflow/id6756710220)

Capture tasks effortlessly by speaking them aloud. This AI-powered manager organizes your to-dos into a clean planner, eliminating the need for manual sorting and typing. Focus on getting things done with an intelligently organized task list.

**Highlights:** Voice to-do list creation, AI-powered smart task management, Automatic task organization, Intelligent AI planner, Simple and lightweight design, Hands-free task capture

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eisenflow_Pro_Monthly | $5.99 | per month |
| Eisenflow_Pro_Annual | $34.99 | per year |


### Knowto

[App page](https://appshunter.io/ios/app/knowto-instant-note-taking/id6798763650)

Capture ideas instantly with a fast, local-first note-taking app. Organize thoughts naturally with threads, tags, and attachments. Access your notes offline with optional cloud sync.

**Highlights:** Always-ready composer, Build on thoughts with threads, Search and filter notes, Attach photos and resources, Local-first storage, Background sync across devices

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knowto Plus Monthly | $0.99 | per month |
| Knowto Plus Yearly | $9.99 | per year |


## Frequently asked questions

### Is Eisenflow free?

Eisenflow is free to download, with in-app purchases available.

### Is Knowto free?

Knowto is free to download, with in-app purchases available.

### Which has better reviews, Eisenflow or Knowto?

Eisenflow and Knowto are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Eisenflow or Knowto have ads?

Neither Eisenflow nor Knowto shows ads.

### Which is updated more often, Eisenflow or Knowto?

Eisenflow ships an update every 2 days, and Knowto every 10 days. Most recently, Eisenflow was updated on October 24, 2026 and Knowto on October 31, 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.*