Comparison

atom.sim vs B2P Bridge Visualization Tool

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

Head to head

AtomApp

B2P Bridge Visualization Tool

Free

📚 Education

No ratingsView app →

About

atom.sim

Features

Read full description

A simulation of the anatomy of atoms. This app shows the first 18 atoms in 3d detail, provides info about the anatomy of these atoms and shows how empty an atom is. Ideal for students in mid school and high school.

About

B2P Bridge Visualization Tool

Features

Read full description

With this tool you can explore the Suspension and Suspended bridges that are being build by Bridges to Prosperity. You can enter on the construction details of some elements of the bridges.

Screenshots

atom.sim3 screens

B2P Bridge Visualization Tool3 screens

Verdict

The call

The clearest difference is update cadence: atom.sim at every 7 months against B2P Bridge Visualization Tool's every 19 months. B2P Bridge Visualization Tool's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

atom.sim ships an update every 7 months, B2P Bridge Visualization Tool every 19 months. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 4 level

atom.sim versus B2P Bridge Visualization Tool: the parameters behind the verdict, then further details
Parameter	atom.sim	B2P Bridge Visualization Tool
Price	Free	Free
Update frequency	Every 7 months — better	Every 19 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.0	13.0 — better
Further details — not scored
Size	78 MB	169 MB
Age rating	4+	4+
Developer	Hans Kovi	Ove Arup & Partners International Ltd

In-app purchases

None

atom.sim

No in-app purchases

None

B2P Bridge Visualization Tool

No in-app purchases

Questions

Is atom.sim free?

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

Is B2P Bridge Visualization Tool free?

B2P Bridge Visualization Tool is free to download, with no in-app purchases.

Do atom.sim or B2P Bridge Visualization Tool have ads?

Neither atom.sim nor B2P Bridge Visualization Tool shows ads.

Which is updated more often, atom.sim or B2P Bridge Visualization Tool?

atom.sim ships an update every 7 months, and B2P Bridge Visualization Tool every 19 months. Most recently, atom.sim was updated on October 11, 2026 and B2P Bridge Visualization Tool on October 3, 2026.