Aon Center Experience vs OldPost433
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Aon Center Experience
Explore the amenities, experiences, and people within a prominent urban business center. This app highlights its prime location near public transport and city attractions, featuring a top-floor amenity space with a fitness center, lounge, and conference rooms.
- Discover amenities
- Explore experiences
- View tenant information
- Access fitness center details
- Book conference spaces
- Learn about location benefits
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Discover the amenities, experiences, and people at Aon Center. Conveniently accessible to Millennium Park, public transportation, the city’s pedway and bike paths, as well as retail, restaurants, and shopping hotspots, Aon Center is the ideal location for corporate and progressive tenants alike. Towering 83 stories above Millennium Park, Aon Center features a luxurious, full floor, amenity area called “Cloud Level,” the highest amenity space in the city. Cloud Level includes a fully staffed 16,000 square foot fitness center with spacious locker rooms, a club-like tenant lounge and a plethora of conference spaces for tenants to choose from. Love where you work!
OldPost433
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The OldPost433 App serves as a resource for the tenants of The Old Post Office in Chicago. It provides its users a platform to navigate building amenities with ease. Management, staff and tenants can streamline everyday tasks as Post433 provides access to building services right where you need it - in the palm of your hand. Features include: -Boxcar fitness center class registration and payments -Sign up for building events, activities and tournaments -Order ahead from the Food Hall -Building updates -Building alerts and notices -Building policies and forms
Screenshots
Verdict
The clearest difference is update cadence: Aon Center Experience at every 3 months against OldPost433's every 6 months. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Aon Center Experience ships an update every 3 months, OldPost433 every 6 months. Both last shipped on October 15, 2026.
| Parameter | Aon Center Experience | OldPost433 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 81 MB | 108 MB |
| Age rating | 12+ | 12+ |
| Developer | HqO Tex 43 LLC | 601W COMPANIES CHICAGO MT LLC |
In-app purchases
Aon Center Experience
No in-app purchases
OldPost433
No in-app purchases
Questions
Is Aon Center Experience free?
Is OldPost433 free?
Do Aon Center Experience or OldPost433 have ads?
Which is updated more often, Aon Center Experience or OldPost433?
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