# Aether vs Arc Lock

The clearest difference is device support: Aether at 3 against Arc Lock's 1. Aether also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and in-app purchases 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, Arc Lock every 8 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Aether | Arc Lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aether-knowledge-engine/id6761418802/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 8 days |
| Monetization | Free | — |
| Size | 18 MB | 7 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Critical Dynamics OU](https://appshunter.io/developer/330152929) | [JUN HYUK CHOI](https://appshunter.io/developer/6821369444) |

## What reviewers say

### Aether

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

Save any link and let AI transform it into structured, searchable knowledge. Automatically extracts, transcribes, analyzes, and summarizes content from videos, articles, and more into a personal vault.

**Highlights:** Instant link capture from any app, AI transcription of YouTube videos, AI analysis of Instagram images with OCR, AI-generated content summaries, Semantic search by meaning, Automatic content organization, Bilingual support (English/Turkish)

**Features:** macOS Compatibility

**In-app purchases:** none


### Arc Lock

[App page](https://appshunter.io/ios/app/arc-lock-app-blocker/id6822023409)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Aether free?

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

### Is Arc Lock free?

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

### Do Aether or Arc Lock have ads?

Neither Aether nor Arc Lock shows ads.

### Which is updated more often, Aether or Arc Lock?

Aether ships an update weekly, and Arc Lock every 8 days. Most recently, Aether was updated on October 31, 2026 and Arc Lock 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.*