Arca.so vs Museum Diary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Arca.so
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.
- 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
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Arca is your portal for browsing and curating the internet. Each piece you curate teaches Arca to intuitively guide you to content that informs, empowers, and inspires. Connect with others’ minds, see through different lenses, and discover unheard voices. Make the internet feel yours.
Museum Diary
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.
- Scan museum placards
- Save favorite art pieces
- Log quiet moments and sketches
- Organize visit memories
- Private by design
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Designed by a designer, for those who fall in love with pieces and want to remember them. You've been building a collection for years. Photos buried in your camera roll, memories fading between visits. Museum Diary gives your pieces a home. Scan the placard before you walk away. Everything is preserved in one tap. - Save any placard, from any museum (zoo, aquarium, history, & more!). - Your favorite pieces from every visit, all in one place. - Log the benches, sketchbook pages, and quiet moments too. - Private by design. No ads, no tracking, just your art. Every museum visit is a chapter. Start keeping yours.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Arca.so | Museum Diary |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (12 ratings) | 4.7 (3 ratings) — better |
| Positive reviews | 80.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 12 — better | 3 |
| Update frequency | Every 10 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 18.5 |
| Further details — not scored | ||
| Size | 64 MB | 175 MB |
| Age rating | 17+ | 4+ |
| Developer | somefrogs Oy | Lan Zhou |
Customer experience
Arca.so
Museum Diary
In-app purchases
Arca.so
No in-app purchases
Museum Diary
No in-app purchases
