HBAP Immersions vs ClassACT '73
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HBAP Immersions
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Get the most out of your immersion experience in the Harvard Business Analytics Program - download the app! From accessing the schedule, to finding your way around campus, to connecting with fellow HBAPers, the HBAP Immersion app is your go-to resource.
ClassACT '73
This app connects members of the Harvard-Radcliffe Class of 1973 to collaborate on initiatives for positive social change. It aims to foster deeper relationships among classmates while addressing local, national, and international issues.
- Promote positive social change
- Address local, national, and international issues
- Foster deeper classmate relationships
- Unite class members for collective action
- Support and create positive change initiatives
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Introducing ClassACT HR73, a mobile app initiative created by the members of the Harvard-Radcliffe Class of 1973, aimed at promoting positive social change. The app's purpose is to connect alumni energy, experience, and values to pressing local, national, and global challenges. The app channels connection into contribution by leveraging our shared background for the common good. Join ClassACT today and become part of the movement.
Screenshots
Verdict
The clearest difference is update cadence: HBAP Immersions at every 2 months against ClassACT '73's every 3 months. HBAP Immersions also leads on iOS requirement (9.0 vs 18.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
HBAP Immersions ships an update every 2 months, ClassACT '73 every 3 months. The most recent releases landed on October 29, 2026 and November 3, 2026 respectively.
| Parameter | HBAP Immersions | ClassACT '73 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (8 ratings) — better |
| Number of ratings | — | 8 — better |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 9.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 55 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Harvard Business School | CLASS ACHIEVING CHANGE TOGETHER (CLASS ACT), INC. |
In-app purchases
HBAP Immersions
No in-app purchases
ClassACT '73
No in-app purchases
Questions
Is HBAP Immersions free?
Is ClassACT '73 free?
Do HBAP Immersions or ClassACT '73 have ads?
Which is updated more often, HBAP Immersions or ClassACT '73?
Other comparisons
