Tachyon vs Defend by Tactacam
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tachyon
Control your camera remotely to start/stop recordings, play back footage in slow motion, and download videos directly to your iOS device. This app enhances your camera's functionality for seamless video capture and management.
- Remote recording control
- Slow-motion playback
- Video download to device
- iOS device as remote
- Compatible with Tachyon cameras
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Tachyon iOS App is designed to use with Tachyon cameras. The user can use iOS device as a remote controller to start and stop the recording, to playback in slo-mo, and to download the videos to their devices.
Defend by Tactacam
Monitor security cameras remotely and receive photos and videos directly on your phone. Enjoy 24-hour surveillance in locations without Wi-Fi or electricity, with features like on-demand media requests and remote camera management.
- Remote camera control
- Receive photos and videos
- On-demand media requests
- Manage multiple cameras
- Share media and feeds
- Monitor camera health
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Control your Defend security cameras, and have pictures and video delivered to your phone anywhere with The Defend by Tactacam app. Defend is Simple Security, Anywhere. Enjoy peace of mind with 24-hour surveillance, even in remote locations where Wi-Fi and electricity aren't available. From the app you can view galleries, request on-demand photos and videos, adjust camera settings and more from the comfort of your home. Defend Cam’s high-strength antenna gets a stronger signal than most cell phones, unlocking a world of options to monitor large properties, livestock, boats, RVs, construction sites, and more. Features include: - Camera setup and activation - Manage multiple cameras remotely - Request on-demand photos and video - Request HD copies of standard images - Share media and camera feeds with other users - Monitor camera health and battery status Disclaimers: Remote media access and camera management requires cell reception
Screenshots
Verdict
The clearest difference is review sentiment: Defend by Tactacam at 79% against Tachyon's 0%. Defend by Tactacam also leads on rating (4.8 vs 1.0) and ratings volume (9.9K vs 1). On price, update cadence, ads and in-app purchases 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.
Defend by Tactacam holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Defend by Tactacam has 9.9K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Tachyon's written reviews are positive against 79% of Defend by Tactacam's.
Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.
| Parameter | Tachyon | Defend by Tactacam |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.8 (9.9K ratings) — better |
| Positive reviews | 0.0% of reviews | 78.9% of reviews — better |
| Number of ratings | 1 | 9.9K — better |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 52 MB | 173 MB |
| Age rating | 4+ | 4+ |
| Developer | Chris Whitehouse | Tactacam LLC |
Customer experience
Tachyon
Defend by Tactacam
Bugs and requests
Tachyon
Not enough reviews yet to summarise bugs or requests.
Defend by Tactacam
Reported bugs
2 issues- App crashes frequently
- Connectivity issues
Requested features
2 requests- Activity zones to reduce background motion
- Numbered alert count in the app
In-app purchases
Tachyon
No in-app purchases
Defend by Tactacam
No in-app purchases
