Aachen Colloquium vs eSteel AR
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Aachen Colloquium
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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!
eSteel AR
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Steel E-Motive is a new concept for autonomous ride sharing and ride hailing vehicles β 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-Motiveβs 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 β including a battery carrier structure that is 37% lighter than average benchmarked structures at 27% less cost. It is the worldβs first autonomous vehicle engineered to provide levels of crashworthiness that meet global standards, including performance in line with the highest rating β βGoodβ β from the Insurance Institute for Highway Safety (IIHS).
Screenshots
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Aachen Colloquium ships an update every 8 days, eSteel AR every 5 months. Both last shipped on November 3, 2026.
| Parameter | Aachen Colloquium | eSteel AR |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 days β better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod β better |
| Requires iOS | 17.4 | 12.0 β better |
| Further details β not scored | ||
| Size | 145 MB | 260 MB |
| Age rating | 17+ | 4+ |
| Developer | Aachener Kolloquium Fahrzeug-und Motorentechnik GbR | Fast Effect LLC |
In-app purchases
Aachen Colloquium
No in-app purchases
eSteel AR
No in-app purchases
Questions
Is Aachen Colloquium free?
Is eSteel AR free?
Do Aachen Colloquium or eSteel AR have ads?
Which is updated more often, Aachen Colloquium or eSteel AR?
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