# Arca.so vs Museum Diary

The clearest difference is rating: Museum Diary at 4.7 against Arca.so's 4.0. Museum Diary also leads on review sentiment (100% vs 80%). Arca.so's advantage is ratings volume (12 vs 3) and iOS requirement (15.1 vs 18.5). 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.

Museum Diary holds the better App Store score, 4.7 against 4.0. Both are backed by a comparable volume of ratings — 12 and 3 respectively. Written reviews point the same way: 80% of Arca.so's written reviews are positive against 100% of Museum Diary's.

Arca.so ships an update every 10 days, Museum Diary every 2 weeks. The most recent releases landed on October 16, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Arca.so | Museum Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (12 ratings)](https://appshunter.io/ios/app/arcaso/id6477714383/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/museum-diary/id6756393932/reviews)** |
| Number of ratings | **12** | 3 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 64 MB | 175 MB |
| Requires iOS | **15.1** | 18.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [somefrogs Oy](https://appshunter.io/developer/1636377367) | [Lan Zhou](https://appshunter.io/developer/1860443506) |

## What reviewers say

### Arca.so

[App page](https://appshunter.io/ios/app/arcaso/id6477714383)

Browse and organize online content to discover inspiring and empowering information. Connect with others, gain new perspectives, and find unique voices. Make the internet a personalized space for your interests.

**Highlights:** Browse and curate internet content, Discover inspiring and empowering information, Connect with other users' perspectives, Gain new insights and find unheard voices, Personalize your internet experience

**In-app purchases:** none


### Museum Diary

[App page](https://appshunter.io/ios/app/museum-diary/id6756393932)

Capture and organize memories from your museum visits. Scan placards, save favorite pieces, and log quiet moments. This private app keeps your art collection in one place without ads or tracking.

**Highlights:** Scan museum placards, Save favorite art pieces, Log quiet moments and sketches, Organize visit memories, Private by design

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

**In-app purchases:** none


## Frequently asked questions

### Is Arca.so free?

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

### Is Museum Diary free?

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

### Which has better reviews, Arca.so or Museum Diary?

Museum Diary is rated higher. Arca.so averages 4.0 out of 5 from 12 ratings, while Museum Diary averages 4.7 from 3 ratings.

### Do Arca.so or Museum Diary have ads?

Neither Arca.so nor Museum Diary shows ads.

### Which is updated more often, Arca.so or Museum Diary?

Arca.so ships an update every 10 days, and Museum Diary every 2 weeks. Most recently, Arca.so was updated on October 16, 2026 and Museum Diary on October 21, 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.*