# SonnetAI vs Magnus

The clearest difference is in-app purchases: Magnus at none against SonnetAI's 4. Magnus also leads on update cadence (weekly vs every 9 months) and device support (5 vs 2). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. SonnetAI sells 4 in-app purchases, starting at $25.00 per month. Magnus asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for SonnetAI against 5.0 for Magnus. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

SonnetAI ships an update every 9 months, Magnus weekly. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SonnetAI | Magnus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/sonnetai/id6747341249/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/magnus-super-intelligence/id6807180451/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 40 MB | 150 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 17+ | 12+ |
| Developer | [AAARK Ventures LLC](https://appshunter.io/developer/1774364339) | [Magnus AI Ltd](https://appshunter.io/developer/6807180453) |

## What reviewers say

### SonnetAI

[App page](https://appshunter.io/ios/app/sonnetai/id6747341249)

This app transforms conversations into insightful, customizable notes with advanced features like concept maps and tailored templates. It helps users track relationships and build a knowledge asset that evolves over time.

**Highlights:** AI-powered insights, Customizable notes, Concept maps, Tailored templates, Relationship tracking, Evolving knowledge asset

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Subscription. | $25.00 | per month |
| Pro Subscriptions | $35.00 | per month |
| Plus Annual Subscriptions | $179.99 | per year |
| Pro Annual Subscriptions | $239.99 | per year |


### Magnus

[App page](https://appshunter.io/ios/app/magnus-super-intelligence/id6807180451)

This AI-powered chief of staff helps founders and teams stay focused on their mission by automating busywork. It grounds responses in your company's facts and goals, integrates with your existing tools, and can even create multiple AI agents to collaborate.

**Highlights:** Mission and goal tracking, Automated document generation, Integration with popular tools, AI agent creation and collaboration, Voice interaction with 3D avatar, Multiple AI model support, Inbox and calendar management

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SonnetAI free?

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

### Is Magnus free?

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

### Which has better reviews, SonnetAI or Magnus?

SonnetAI and Magnus are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do SonnetAI or Magnus have ads?

Neither SonnetAI nor Magnus shows ads.

### Which is updated more often, SonnetAI or Magnus?

SonnetAI ships an update every 9 months, and Magnus weekly. Most recently, SonnetAI was updated on October 14, 2026 and Magnus on October 24, 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.*