# Alert San Diego vs Vector Guard

The clearest difference is review sentiment: Vector Guard at 100% against Alert San Diego's 26%. Vector Guard also leads on rating (4.9 vs 3.1) and update cadence (weekly vs every 5 months). Alert San Diego's advantage is in-app purchases (none vs 2) and iOS requirement (16.6 vs 18.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Vector Guard sells 2 in-app purchases, starting at $4.99 per month. Alert San Diego asks for nothing beyond the download.

Vector Guard holds the better App Store score, 4.9 against 3.1. Both are backed by a comparable volume of ratings — 95 and 49 respectively. Written reviews point the same way: 26% of Alert San Diego's written reviews are positive against 100% of Vector Guard's.

Alert San Diego ships an update every 5 months, Vector Guard weekly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Alert San Diego | Vector Guard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (95 ratings)](https://appshunter.io/ios/app/alert-san-diego/id561733287/reviews) | **[4.9 (49 ratings)](https://appshunter.io/ios/app/vector-guard-bug-identifier/id6749871217/reviews)** |
| Number of ratings | **95** | 49 |
| Positive reviews | 26.4% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 55 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 12+ |
| Developer | [County of San Diego](https://appshunter.io/developer/561734090) | [BUILT BY FOUNDRY, INC.](https://appshunter.io/developer/1792457041) |

## What reviewers say

### Alert San Diego

[App page](https://appshunter.io/ios/app/alert-san-diego/id561733287)

Access official emergency information and alerts for San Diego County. Receive targeted notifications for threats, view live emergency maps with real-time updates, and find preparedness and recovery resources. Stay informed and prepared for any situation.

**Highlights:** Targeted emergency alerts (call, text, email), Push notifications for updates, Live emergency map with real-time data, Preparedness information and guides, Recovery resources after disasters, Accessible updates with ASL videos

**In-app purchases:** none

**What reviewers like**

- 👍 Good emergency information source
- 🗺️ Helpful maps available
- 🔔 Customizable notifications
- ✅ Useful preparedness checklists
- 💡 Great idea for an app

**What reviewers complain about**

- 🐛 Frequent false alarms
- 🐌 Slow information updates
- ❌ Poor user interface
- 🪲 Data not transferred from old app
- 🚫 App freezes or crashes

**Reported bugs**

- App freezes on welcome splash screen or update prompts
- Data not transferred from the old app
- False earthquake alarms with incorrect location/distance
- Disappearing notifications that don't appear in Disaster Info
- App freezes on update screen

**Requested features**

- Make app compatible with iPad
- Improve user interface for better usability
- Ensure data transfer from old app
- Fix bugs causing app freezes and crashes
- Improve map functionality and accuracy


### Vector Guard

[App page](https://appshunter.io/ios/app/vector-guard-bug-identifier/id6749871217)

Get real-time risk assessments for disease-carrying insects like ticks and mosquitoes before outdoor activities. This app provides expert-level prevention knowledge, species identification, and seasonal forecasting based on extensive field research.

**Highlights:** Real-time vector risk maps, Species identification with safety guidance, Seasonal forecasting and predictions, Expert prevention tips, AI-powered tick identification, Offline access

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Annual | $39.99 | per year |


## Frequently asked questions

### Is Alert San Diego free?

Alert San Diego is free to download, with no in-app purchases.

### Is Vector Guard free?

Vector Guard is free to download, with in-app purchases available.

### Which has better reviews, Alert San Diego or Vector Guard?

Vector Guard is rated higher. Alert San Diego averages 3.1 out of 5 from 95 ratings, while Vector Guard averages 4.9 from 49 ratings.

### Do Alert San Diego or Vector Guard have ads?

Neither Alert San Diego nor Vector Guard shows ads.

### Which is updated more often, Alert San Diego or Vector Guard?

Alert San Diego ships an update every 5 months, and Vector Guard weekly. Most recently, Alert San Diego was updated on October 23, 2026 and Vector Guard on October 24, 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.*