# ArcSphere vs MuseWrite

The clearest difference is in-app purchases: ArcSphere at none against MuseWrite's 2. ArcSphere also leads on ratings volume (105 vs 1). MuseWrite's advantage is update cadence (every 3 days vs every 10 days) and rating (5.0 vs 4.8). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MuseWrite sells 2 in-app purchases, starting at $12.99 per month. ArcSphere asks for nothing beyond the download.

MuseWrite holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: ArcSphere has 105 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 86% of ArcSphere's written reviews are positive against 100% of MuseWrite's.

ArcSphere ships an update every 10 days, MuseWrite every 3 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ArcSphere | MuseWrite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (105 ratings)](https://appshunter.io/ios/app/arcsphere-ai-browser/id6502280398/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/musewrite-ai/id6765558384/reviews)** |
| Number of ratings | **105** | 1 |
| Positive reviews | 86.2% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 40 MB | 8 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [ArcBlock, Inc.](https://appshunter.io/developer/1460083541) | [杭州月瑀科技有限公司](https://appshunter.io/developer/1895993108) |

## What reviewers say

### ArcSphere

[App page](https://appshunter.io/ios/app/arcsphere-ai-browser/id6502280398)

This AI-powered browser transforms multiple open tabs into concise answers. It allows you to chat across pages, summarize content, draft text, and directly insert information without switching applications. Organize your browsing sessions into distinct "Spheres" to manage information more effectively.

**Highlights:** AI-powered tab summarization, Chat across multiple pages, Draft text and insert results, Organize tabs into Spheres, Ask questions across all tabs, Get single, clear answers

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Smooth and fast
- 🔒 Secure and private
- 💡 Innovative AI integration
- 🚀 Efficient browsing experience

**What reviewers complain about**

- 🐛 Lacking some basic features (open tabs, ad blocker, etc.)

**Reported bugs**

- Occasional crashes or freezes

**Requested features**

- Open tab functionality
- Ad and tracker blocker
- Cookie management options


### MuseWrite

[App page](https://appshunter.io/ios/app/musewrite-ai/id6765558384)

This AI writing assistant helps content creators transform ideas into polished articles, notes, scripts, and social media posts. It adapts to various platforms, learns your writing style, and prioritizes local saving with optional cloud sync.

**Highlights:** AI-assisted content generation, Multi-platform content adaptation, Personalized writing style learning, Local data saving, Cross-device cloud synchronization, Topic ideation and title refinement

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MuseWrite Pro Monthly | $12.99 | per month |
| MuseWrite Ultra Monthly | $49.99 | per month |


## Frequently asked questions

### Is ArcSphere free?

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

### Is MuseWrite free?

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

### Which has better reviews, ArcSphere or MuseWrite?

MuseWrite is rated higher. ArcSphere averages 4.8 out of 5 from 105 ratings, while MuseWrite averages 5.0 from 1 ratings.

### Do ArcSphere or MuseWrite have ads?

Neither ArcSphere nor MuseWrite shows ads.

### Which is updated more often, ArcSphere or MuseWrite?

ArcSphere ships an update every 10 days, and MuseWrite every 3 days. Most recently, ArcSphere was updated on October 21, 2026 and MuseWrite 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.*