# BetterflyBox vs SentryAlert for Tesla

The clearest difference is in-app purchases: BetterflyBox at none against SentryAlert for Tesla's 6. BetterflyBox also leads on iOS requirement (15.0 vs 17.0). SentryAlert for Tesla's advantage is ads (none vs shown) and update cadence (weekly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. SentryAlert for Tesla sells 6 in-app purchases, starting at $4.99 per month. BetterflyBox asks for nothing beyond the download.

BetterflyBox ships an update every 2 months, SentryAlert for Tesla weekly. The most recent releases landed on September 10, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | BetterflyBox | SentryAlert for Tesla |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/sentryalert-for-tesla/id6759935513/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 91 MB | 12 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Betterfly](https://appshunter.io/developer/1676751564) | [Romain Couzon](https://appshunter.io/developer/1881747449) |

## What reviewers say

### BetterflyBox

[App page](https://appshunter.io/ios/app/betterflybox/id6446219988)

**Features:** macOS Compatibility

**In-app purchases:** none


### SentryAlert for Tesla

[App page](https://appshunter.io/ios/app/sentryalert-for-tesla/id6759935513)

Receive instant notifications for Tesla Sentry Mode events on your iPhone. This app provides quick alerts, allows manual control of vehicle lights and horn, and maintains a history of detected incidents. It offers a streamlined interface for Tesla owners seeking enhanced security awareness.

**Highlights:** Instant Sentry Mode alerts, Automatic headlight response, Manual headlight and horn control, Event history log, Vehicle overview dashboard, Dark interface design

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solo — Monthly | $4.99 | per month |
| Duo — Monthly | $7.99 | per month |
| Garage — Monthly | $19.99 | per month |
| Solo — Yearly | $49.99 | per year |
| Duo — Yearly | $79.99 | per year |
| Garage — Yearly | $199.99 | per year |


## Frequently asked questions

### Is BetterflyBox free?

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

### Is SentryAlert for Tesla free?

SentryAlert for Tesla is free to download, with in-app purchases available.

### Do BetterflyBox or SentryAlert for Tesla have ads?

BetterflyBox shows ads; SentryAlert for Tesla does not.

### Which is updated more often, BetterflyBox or SentryAlert for Tesla?

BetterflyBox ships an update every 2 months, and SentryAlert for Tesla weekly. Most recently, BetterflyBox was updated on September 10, 2026 and SentryAlert for Tesla on September 26, 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.*