Sentry Connect vs Annex B
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sentry Connect
This app allows you to manage your Sentry USB dashcam device remotely. Monitor your device's status, browse and manage files, view driving history, and receive real-time alerts.
- Remote device management
- File browsing and management
- Driving history and route playback
- Live system logs
- Push notifications for events
- Bluetooth setup wizard
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Manage your Sentry USB dashcam device from anywhere in your home or on the go with Sentry Connect, the companion app. Connect to your Pi via WiFi or Bluetooth and instantly see what your Sentry USB is up to. No web browser required. Dashboard — Monitor CPU temperature, storage usage, network status, and drive statistics at a glance. Files — Browse, upload, download, and manage files across your TeslaCam, Music, LightShow, Boombox, and other drives. Drives — View your driving history on an interactive map with route playback, FSD analytics, and event markers. Logs — View live-updating system logs and diagnostics with auto-scroll. Settings — Check for updates, reboot your device, manage notification pairings, and access in-app support. Push Notifications — Receive alerts from your SentryUSB device when events occur, even when the app is closed. Requires a SentryUSB device running on a Raspberry Pi. Learn more at sentry-six.com.
Annex B
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Your comma device records the road. Annex B makes those drive videos easy to use on iPhone and iPad. Connect directly to a compatible comma device on your local network. Browse recent drives, preview road-camera footage, download full drives or individual one-minute segments, and prepare standard MP4 videos for playback or Photos. Choose Original Quality to preserve the camera’s HEVC stream without re-encoding, or Compatibility to convert it to H.264 for easier sharing. Designed to stay local: • No account needed • No analytics or cloud relay • Read-only SSH/SFTP access to your comma device • Pinned SSH host keys • Private keys stored only in this device’s Keychain • Photos add-only permission Requirements: • A compatible comma device on the same local network • SSH enabled on the device • A GitHub account configured on the comma device for SSH keys Annex B includes four clearly labeled Sample Drives so you can explore the app before connecting hardware. **Not affiliated with or endorsed by comma.ai, Inc. comma and openpilot are trademarks of comma.ai, Inc.**
Screenshots
Verdict
The clearest difference is update cadence: Sentry Connect at every 3 days against Annex B's weekly. Sentry Connect also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Sentry Connect ships an update every 3 days, Annex B weekly. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.
| Parameter | Sentry Connect | Annex B |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 9 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Scott Vandereems | Connor Larkin |
In-app purchases
Sentry Connect
No in-app purchases
Annex B
No in-app purchases









