FRR vs Reliance Battery
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FRR
This app facilitates communication between first responders and their families during large-scale emergency deployments. It serves as a vital link for agencies to keep families informed when emergency workers are away.
- Family communication during deployments
- Agency-to-family updates
- Information sharing for emergency workers
- Support for first responder families
Read full descriptionHide full description
The Palm Beach County Fire Rescue Family Relief & Recovery App (FRR) is a communication tool used by first responders and their agencies to be able to communicate with first responder families while emergency workers are deployed on a large scale incident.
Reliance Battery
Monitor your smart battery pack's performance and status remotely via Bluetooth. View real-time data like charge, discharge, voltage, temperature, and remaining power. Receive alerts for protection events and low battery levels, and track its location.
- Real-time battery status monitoring
- Protection alerts (overvoltage, overcurrent)
- Individual cell voltage monitoring
- Configurable power and temperature reminders
- Battery pack positioning
- Software upgrade via Wi-Fi
Read full descriptionHide full description
The smart battery pack has a built-in remote Bluetooth module. It connects to the app via Bluetooth and the mobile phone. The app can read the following information: 1. The working state of the battery pack: charge point, discharge, working voltage, current, temperature, remaining power, etc.; 2. Protection information such as overvoltage, undervoltage, overcurrent, and overtemperature; 3. The number of cells in series, the voltage and release of each cell; 4. Hardware short-circuit and delay, balanced turn-on voltage; 5. Threshold settings for remaining power and temperature reminders, if lower than the set thresholds, you will receive reminders; 6. Positioning function. When the APP is disconnected from the battery pack, the APP will receive the positioning information. 7. Through wifi configuration, the battery can realize software upgrade.
Screenshots
Verdict
The clearest difference is rating: FRR at 4.0 against Reliance Battery's 2.3. Reliance Battery's advantage is iOS requirement (11.0 vs 13.0). On price, ratings volume, update cadence and ads 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.
FRR holds the better App Store score, 4.0 against 2.3. Both are backed by a comparable volume of ratings — 4 and 6 respectively.
Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 24, 2026.
| Parameter | FRR | Reliance Battery |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | 2.3 (6 ratings) |
| Number of ratings | 4 | 6 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 42 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | County of Palm Beach | 应刚 郑 |
Customer experience
FRR
Reliance Battery
In-app purchases
FRR
No in-app purchases
Reliance Battery
No in-app purchases









