# ShotSpotter vs PPOA

The clearest difference is rating: PPOA at 4.5 against ShotSpotter's 2.6. PPOA also leads on monetization model (free vs subscription) and iOS requirement (12.0 vs 15.0). ShotSpotter's advantage is update cadence (monthly vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PPOA holds the better App Store score, 4.5 against 2.6. Both are backed by a comparable volume of ratings — 143 and 55 respectively.

ShotSpotter ships an update monthly, PPOA every 2 months. The most recent releases landed on July 5, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | ShotSpotter | PPOA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (143 ratings)](https://appshunter.io/ios/app/shotspotter/id1096820077/reviews) | **[4.5 (55 ratings)](https://appshunter.io/ios/app/ppoa/id1309531043/reviews)** |
| Number of ratings | **143** | 55 |
| Positive reviews | 26.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Subscription | **Free** |
| Size | 32 MB | 134 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [SoundThinking, Inc.](https://appshunter.io/developer/1096351218) | [Los Angeles County Professional Peace Officers Association](https://appshunter.io/developer/1450613463) |

## What reviewers say

### ShotSpotter

[App page](https://appshunter.io/ios/app/shotspotter/id1096820077)

This app provides real-time gunshot alerts to law enforcement, including precise location, audio, and incident history. It aids in safe and confident response, evidence collection, and case reporting.

**Highlights:** Real-time gunshot alerts, Precise gunshot location, Gunfire incident replay, Evidence search area mapping, Incident list and map views, Investigative Lead Summary reports, Customizable alert coverage areas

**Features:** macOS Compatibility

**In-app purchases:** none


### PPOA

[App page](https://appshunter.io/ios/app/ppoa/id1309531043)

Stay informed about local events, union updates, and political initiatives. Access mental health resources and learn about the organization's history and mission. Receive essential alerts directly to your device.

**Highlights:** Local PPOA information, Announcements and events, Union update notifications, Mental health resources, Political initiative updates

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is ShotSpotter free?

ShotSpotter is free to download, with no in-app purchases.

### Is PPOA free?

PPOA is free to download, with no in-app purchases.

### Which has better reviews, ShotSpotter or PPOA?

PPOA is rated higher. ShotSpotter averages 2.6 out of 5 from 143 ratings, while PPOA averages 4.5 from 55 ratings.

### Do ShotSpotter or PPOA have ads?

Neither ShotSpotter nor PPOA shows ads.

### Which is updated more often, ShotSpotter or PPOA?

ShotSpotter ships an update monthly, and PPOA every 2 months. Most recently, ShotSpotter was updated on July 5, 2026 and PPOA on September 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*