Comparison

Petra vs Catalyst Art

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Petra

Features
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A warm welcome in the beautiful world of Bronze sculptures and the related gifts: Unique and personalised in our giftshop. The handmade and special bronze sculptures come to life in several art lines: The Tender Animals are created with passion by Petra Dorst. Also, her unique Stillness sculptures and the Tenderness line which also includes a special line of jewellery, especially created for you in silver or gold.

About

Catalyst Art

Features
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Catalyst Art is the private companion to your art collection. Access is by invitation from your gallery advisor. โ€ข Your collection โ€” browse every work with full details: artist, medium, dimensions, provenance, condition, and the documents that travel with each piece. โ€ข Presentation rooms โ€” step into private viewing rooms your advisor curates for you, and react to the works that move you. โ€ข Messaging โ€” talk directly with your advisor, share photos, and react in the conversation. โ€ข Stay in the loop โ€” get a notification the moment your advisor shares a new viewing room, adds a document, or sends a message. โ€ข Private & secure โ€” your collection is visible only to you and your advisor, protected by Face ID. Catalyst Art is for existing clients of participating galleries. You'll need an invitation from your advisor to sign in.

Screenshots

Petra4 screens
Catalyst Art4 screens

Verdict

The call

The clearest difference is iOS requirement: Petra at 11.0 against Catalyst Art's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Petra ships an update every 5 days, Catalyst Art every 9 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

Scorecard1 real difference ยท 5 level
Petra versus Catalyst Art: the parameters behind the verdict, then further details
ParameterPetraCatalyst Art
PriceFreeFree
Update frequencyEvery 5 days โ€” betterEvery 9 days
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS11.0 โ€” better17.0
Further details โ€” not scored
Size53 MB15 MB
Age rating4+12+
DeveloperEQUAL INFOTECH PRIVATE LIMITEDKahl Wilfert

In-app purchases

None

Petra

No in-app purchases

None

Catalyst Art

No in-app purchases

Questions

Is Petra free?
Petra is free to download, with no in-app purchases.
Is Catalyst Art free?
Catalyst Art is free to download, with no in-app purchases.
Do Petra or Catalyst Art have ads?
Neither Petra nor Catalyst Art shows ads.
Which is updated more often, Petra or Catalyst Art?
Petra ships an update every 5 days, and Catalyst Art every 9 days. Most recently, Petra was updated on November 4, 2026 and Catalyst Art on October 31, 2026.

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