# Sentry Pro vs Green Factor

The clearest difference is in-app purchases: Green Factor at none against Sentry Pro's 4. Green Factor also leads on iOS requirement (13.0 vs 15.0). Sentry Pro's advantage is update cadence (every 2 weeks vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Sentry Pro sells 4 in-app purchases, starting at $5.99 per month. Green Factor asks for nothing beyond the download.

Sentry Pro ships an update every 2 weeks, Green Factor every 6 months. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Sentry Pro | Green Factor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1K ratings)](https://appshunter.io/ios/app/sentry-profor-your-tesla/id6450215698/reviews)** | — |
| Number of ratings | **1K** | — |
| Positive reviews | 53.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 63 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SENTRY BRAIN SINGLE MEMBER P.C.](https://appshunter.io/developer/389989159) | [Nuve Home](https://appshunter.io/developer/1752266972) |

## What reviewers say

### Sentry Pro

[App page](https://appshunter.io/ios/app/sentry-profor-your-tesla/id6450215698)

Receive instant alerts for all Tesla Sentry Mode events, not just alarms. This app provides real-time notifications and allows you to program automatic deterrent actions like honking or flashing lights. Stay informed and ensure your vehicle's security from anywhere.

**Highlights:** Real-time Sentry Mode notifications, Automatic honk/flash deterrent actions, Monitor multiple Tesla vehicles, Privacy-focused authentication, Deter potential threats

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Sentry Pro Subscription | $5.99 | per month |
| Yearly subscription/Single Veh | $34.99 | per year |
| Yearly SentryPro Subscription | $49.99 | per year |
| Lifetime | $133.99 | one-time |

**What reviewers like**

- 🚀 Instant notifications
- 🔒 Improved security
- 👍 Useful feature
- 👍 Works as expected
- 👍 Great customer service

**What reviewers complain about**

- 🐛 Inconsistent notifications
- 🐛 Connection issues
- 🔋 Battery drain
- 💰 Expensive subscription
- 🙄 Unnecessary features

**Reported bugs**

- Unable to log in or connect to Tesla account
- Notifications not working as expected
- Subscription issues and billing problems

**Requested features**

- Add scheduling options for alerts
- Integrate with Tesla app for seamless experience
- Provide more detailed event information
- Allow customization of notification settings


### Green Factor

[App page](https://appshunter.io/ios/app/green-factor/id6758425499)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sentry Pro free?

Sentry Pro is free to download, with in-app purchases available.

### Is Green Factor free?

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

### Do Sentry Pro or Green Factor have ads?

Neither Sentry Pro nor Green Factor shows ads.

### Which is updated more often, Sentry Pro or Green Factor?

Sentry Pro ships an update every 2 weeks, and Green Factor every 6 months. Most recently, Sentry Pro was updated on October 24, 2026 and Green Factor on October 18, 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.*