Comparison

Aachen Colloquium vs eSteel AR

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

Head to head
About

Aachen Colloquium

Features
Read full description

Download the event app for the Aachen Colloquium Sustainable Mobility: Easily access all presentations and live streams, arrange meetings with exhibitors and get in touch with speakers and other participants. Put together your own event program, ask questions to speakers via the app and contact us if you need help. Improve your conference experience!

About

eSteel AR

Features
Read full description

Steel E-Motive is a new concept for autonomous ride sharing and ride hailing vehicles – enabled by Advanced High-Strength Steel (AHSS) products and technologies. It has been developed by WorldAutoSteel, in partnership with Ricardo plc, which will make its materials and methods freely available to automotive manufacturers around the world to help them produce a new generation of sustainable, comfortable, and economical vehicles. This app allows you to look deeper into Steel E-Motive’s steel materials and innovations that make this vehicle a roadmap for sustainable future mobility solutions. Steel E-Motive features 64 AHSS grades and seven AHSS structural innovations – including a battery carrier structure that is 37% lighter than average benchmarked structures at 27% less cost. It is the world’s first autonomous vehicle engineered to provide levels of crashworthiness that meet global standards, including performance in line with the highest rating – β€œGood” – from the Insurance Institute for Highway Safety (IIHS).

Screenshots

Aachen Colloquium4 screens
eSteel AR4 screens

Verdict

The call

The clearest difference is update cadence: Aachen Colloquium at every 8 days against eSteel AR's every 5 months. eSteel AR's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.4). On price, ads and in-app purchases there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Aachen Colloquium ships an update every 8 days, eSteel AR every 5 months. Both last shipped on November 3, 2026.

Scorecard3 real differences Β· 3 level
Aachen Colloquium versus eSteel AR: the parameters behind the verdict, then further details
ParameterAachen ColloquiumeSteel AR
PriceFreeFree
Update frequencyEvery 8 days β€” betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod β€” better
Requires iOS17.412.0 β€” better
Further details β€” not scored
Size145 MB260 MB
Age rating17+4+
DeveloperAachener Kolloquium Fahrzeug-und Motorentechnik GbRFast Effect LLC

In-app purchases

None

Aachen Colloquium

No in-app purchases

None

eSteel AR

No in-app purchases

Questions

Is Aachen Colloquium free?
Aachen Colloquium is free to download, with no in-app purchases.
Is eSteel AR free?
eSteel AR is free to download, with no in-app purchases.
Do Aachen Colloquium or eSteel AR have ads?
Neither Aachen Colloquium nor eSteel AR shows ads.
Which is updated more often, Aachen Colloquium or eSteel AR?
Aachen Colloquium ships an update every 8 days, and eSteel AR every 5 months. Most recently, Aachen Colloquium was updated on November 3, 2026 and eSteel AR on November 3, 2026.

Other comparisons