# Alert Valley Metro® vs Charge Key

The clearest difference is rating: Alert Valley Metro® at 4.7 against Charge Key's 3.7. Alert Valley Metro® also leads on review sentiment (80% vs 46%) and ratings volume (478 vs 33). Charge Key's advantage is update cadence (fortnightly vs every 6 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Alert Valley Metro® holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Alert Valley Metro® has 478 ratings behind it against 33, so its average is the more settled of the two. Written reviews point the same way: 80% of Alert Valley Metro®'s written reviews are positive against 46% of Charge Key's.

Alert Valley Metro® ships an update every 6 months, Charge Key fortnightly. The most recent releases landed on November 5, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Alert Valley Metro® | Charge Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (478 ratings)](https://appshunter.io/ios/app/alert-valley-metro/id1434869508/reviews)** | [3.7 (33 ratings)](https://appshunter.io/ios/app/charge-key/id6496853294/reviews) |
| Number of ratings | **478** | 33 |
| Positive reviews | **80.0% of reviews** | 46.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 21 MB | 24 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [ELERTS Corp](https://appshunter.io/developer/445885285) | [ChargeKey, LLC](https://appshunter.io/developer/1741149527) |

## What reviewers say

### Alert Valley Metro®

[App page](https://appshunter.io/ios/app/alert-valley-metro/id1434869508)

This app provides a discreet way for public transit riders to report safety and security concerns directly to the police. Users can send text, photos, short videos, and locations of suspicious activity. It also offers a direct link to call emergency services and provides alerts about persons of interest.

**Highlights:** Discreetly report safety concerns, Send photos and short videos, Report locations and categories, Anonymous reporting option, Direct 911 call button, Offline report storage, Be On the Look Out (BOLO) alerts

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Quick response to issues
- 👍 Easy to report problems
- 👍 Provides helpful transit updates
- 👍 App is useful for reporting issues
- 👍 Good for staying informed about delays

**What reviewers complain about**

- 😞 No action taken on reported incidents
- 😞 Authorities did not intercept train as promised
- 😞 Safety concerns on trains and at stations
- 😞 Transit authority doesn't seem to care about safety


### Charge Key

[App page](https://appshunter.io/ios/app/charge-key/id6496853294)

This app allows you to unlock, lock, and start your vehicle using your phone. It offers hands-free unlocking when you approach your car and can navigate you to its location if you've misplaced it. The platform prioritizes user privacy by not storing personal information.

**Highlights:** Unlock vehicle, Lock vehicle, Start vehicle, Hands-free unlock, Navigate to vehicle location, Privacy focused

**Features:** iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Alert Valley Metro® free?

Alert Valley Metro® is free to download, with no in-app purchases.

### Is Charge Key free?

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

### Which has better reviews, Alert Valley Metro® or Charge Key?

Alert Valley Metro® is rated higher. Alert Valley Metro® averages 4.7 out of 5 from 478 ratings, while Charge Key averages 3.7 from 33 ratings.

### Do Alert Valley Metro® or Charge Key have ads?

Neither Alert Valley Metro® nor Charge Key shows ads.

### Which is updated more often, Alert Valley Metro® or Charge Key?

Alert Valley Metro® ships an update every 6 months, and Charge Key fortnightly. Most recently, Alert Valley Metro® was updated on November 5, 2026 and Charge Key on November 4, 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.*