# Dewey vs Aelius AI

Dewey and Aelius AI are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Dewey sells 1 in-app purchase, starting at $4.99 per month and Aelius AI sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Dewey ships an update every 8 days, Aelius AI weekly. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Dewey | Aelius AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/aelius-ai/id6804083444/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | — | Freemium |
| Size | 85 MB | 8 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Dendric LLC](https://appshunter.io/developer/1861051247) | [WILLIAM CARVER STRULOEFF](https://appshunter.io/developer/6804083446) |

## What reviewers say

### Dewey

[App page](https://appshunter.io/ios/app/dewey-disorganized-notes/id6761198481)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dewey Patron | $4.99 | per month |


### Aelius AI

[App page](https://appshunter.io/ios/app/aelius-ai/id6804083444)

This AI assistant offers private chat, image generation, and web search capabilities. It prioritizes user privacy with its own hardware and no data selling. Optional subscription unlocks advanced features.

**Highlights:** Private AI chat, Image generation from text, Web search for current information, Voice input and read-back, Conversation saving and searching, Optional Pro subscription for advanced features

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aelius Pro | $3.99 | per month |


## Frequently asked questions

### Is Dewey free?

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

### Is Aelius AI free?

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

### Do Dewey or Aelius AI have ads?

Neither Dewey nor Aelius AI shows ads.

### Which is updated more often, Dewey or Aelius AI?

Dewey ships an update every 8 days, and Aelius AI weekly. Most recently, Dewey was updated on November 5, 2026 and Aelius AI on November 6, 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.*