Comparison

PVChess Premium vs visumi

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

Head to head
About

PVChess Premium

Features
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Premium version of PVChess with full access, no ads, and offline play. Before purchasing PVChess Premium, try the free, ad-supported PVChess: Chess Tutor first. It offers the same core gameplay, so you can decide whether PVChess is right for you.

About

visumi

Features
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Pull any object apart. Understand exactly how it works. visumi is a 3D interactive app that shows you what's inside the everyday objects around you โ€” the dishwasher, the espresso machine, the refrigerator. Not as a flat diagram. As a real, explorable model you can rotate, pull apart, and examine one part at a time. Each object comes with a guided journey through its components: what every part is, where it sits, and what it does. Then it's yours to explore freely โ€” rotate, isolate parts, or blow the whole thing apart with exploded view. What you can do: โ€ข Follow guided part-by-part breakdowns of how each object works โ€ข Explore interactive 3D models of real household objects โ€ข Use exploded view to see how every component fits together โ€ข Tap any part to identify and learn about it โ€ข Place objects in your space with AR Works entirely offline. No account. No ads. No data collected โ€” ever. Growing catalog of everyday objects, starting with the things already in your home.

Screenshots

PVChess Premium3 screens
visumi4 screens

Verdict

The call

The clearest difference is price: visumi at Free against PVChess Premium's $0.99. PVChess Premium's advantage is iOS requirement (15.0 vs 18.0). On update cadence, ads, in-app purchases and device support 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

visumi is free to download; PVChess Premium costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 28, 2026 and November 10, 2026 respectively.

Scorecard2 real differences ยท 4 level
PVChess Premium versus visumi: the parameters behind the verdict, then further details
ParameterPVChess Premiumvisumi
Price$0.99Free โ€” better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.0 โ€” better18.0
Further details โ€” not scored
Size16 MB120 MB
Age rating4+4+
DeveloperJianfeng WuSWEET ESCAPE LABS INC.

In-app purchases

None

PVChess Premium

No in-app purchases

None

visumi

No in-app purchases

Questions

Is PVChess Premium free?
PVChess Premium costs $0.99, with no in-app purchases.
Is visumi free?
visumi is free to download, with no in-app purchases.
Do PVChess Premium or visumi have ads?
Neither PVChess Premium nor visumi shows ads.
Which is updated more often, PVChess Premium or visumi?
PVChess Premium ships an update every 2 months, and visumi every 2 months. Most recently, PVChess Premium was updated on October 28, 2026 and visumi on November 10, 2026.

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