# Aether vs Insight Flow

The clearest difference is update cadence: Insight Flow at every 3 days against Aether's weekly. On price, ads, in-app purchases and device support there is nothing between them.

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

Aether ships an update weekly, Insight Flow every 3 days. The most recent releases landed on September 18, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Aether | Insight Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 18 MB | 67 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Critical Dynamics OU](https://appshunter.io/developer/330152929) | [sumin jin](https://appshunter.io/developer/1896298292) |

## What reviewers say

### Aether

[App page](https://appshunter.io/ios/app/aether-knowledge-engine/id6761418802)

**Features:** macOS Compatibility

**In-app purchases:** none


### Insight Flow

[App page](https://appshunter.io/ios/app/insight-flow-my-second-brain/id6766516383)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aether free?

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

### Is Insight Flow free?

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

### Do Aether or Insight Flow have ads?

Neither Aether nor Insight Flow shows ads.

### Which is updated more often, Aether or Insight Flow?

Aether ships an update weekly, and Insight Flow every 3 days. Most recently, Aether was updated on September 18, 2026 and Insight Flow on September 14, 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.*