OpiRescue vs UnityPhilly 2.0
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpiRescue
This app offers a 5-step guide for responding to opioid overdose emergencies. It provides information based on guidelines from the US Substance Abuse and Mental Health Services Administration (SAMHSA).
- 5-step overdose response process
- SAMHSA-based guidelines
- Emergency information
- Health and safety resource
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OpiRescue provides information and a 5-step process for how to respond to an opioid overdose event. The guidelines that OpiRescue offers have been developed by the US Substance Abuse and Mental Health Services Administration (SAMHSA).
UnityPhilly 2.0
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UnityPhilly is a location-based app that enables a volunteer bystander who witnesses an overdose to signal for help. Other app users are alerted if they are within an estimated 15-minute radius, and asked whether they are able to respond to the scene with naloxone. The app leverages the Google Maps platform to assist responders with identifying and navigating to the location of the signaling bystander and overdose. The app also calls 911 to facilitate concurrent response by professional teams.
Screenshots
Verdict
The clearest difference is update cadence: OpiRescue at every 3 months against UnityPhilly 2.0's every 13 months. OpiRescue also leads on iOS requirement (13 vs 17.0). 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.
OpiRescue ships an update every 3 months, UnityPhilly 2.0 every 13 months. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.
| Parameter | OpiRescue | UnityPhilly 2.0 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (9 ratings) — better | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 3 months — better | Every 13 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13 — better | 17.0 |
| Further details — not scored | ||
| Size | 62 MB | 291 MB |
| Age rating | 17+ | 17+ |
| Developer | RxAssurance Inc. | The University of Michigan |
In-app purchases
OpiRescue
No in-app purchases
UnityPhilly 2.0
No in-app purchases
Questions
Is OpiRescue free?
Is UnityPhilly 2.0 free?
Do OpiRescue or UnityPhilly 2.0 have ads?
Which is updated more often, OpiRescue or UnityPhilly 2.0?
Other comparisons
