# ALC SightHD vs 3 The clearest difference is review sentiment: 3 at 59% against ALC SightHD's 13%. 3 also leads on rating (3.3 vs 1.8) and update cadence (every 3 weeks vs every 4 months). ALC SightHD's advantage is in-app purchases (none vs 15) and iOS requirement (13.0 vs 15). On price, ratings volume, ads and device support there is nothing between them. Both are free to download. 3 sells 15 one-off in-app purchases. ALC SightHD asks for nothing beyond the download. 3 holds the better App Store score, 3.3 against 1.8. Both are backed by a comparable volume of ratings — 114 and 72 respectively. Written reviews point the same way: 13% of ALC SightHD's written reviews are positive against 59% of 3's. ALC SightHD ships an update every 4 months, 3 every 3 weeks. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively. ## The numbers | Metric | ALC SightHD | 3 | | --- | --- | --- | | Price | Free | Free | | Rating | [1.8 (114 ratings)](https://appshunter.io/ios/app/alc-sighthd/id911814408/reviews) | **[3.3 (72 ratings)](https://appshunter.io/ios/app/3-link/id6449183038/reviews)** | | Number of ratings | **114** | 72 | | Positive reviews | 12.9% of reviews | **59.3% of reviews** | | In-app purchases | **No** | Yes | | Ads | No | No | | Update frequency | Every 4 months | **Every 3 weeks** | | Monetization | **Free** | Free with in-app purchases | | Size | 46 MB | 106 MB | | Requires iOS | **13.0** | 15 | | Devices | **iPhone, iPad, iPod** | iPhone, iPod | | Age rating | 4+ | 17+ | | Developer | [JSW PACIFIC CORPORATION](https://appshunter.io/developer/999731327) | [Shenzhen Huayi Video Technology Co., Ltd.](https://appshunter.io/developer/1387357071) | ## What reviewers say ### ALC SightHD [App page](https://appshunter.io/ios/app/alc-sighthd/id911814408) Monitor your home and loved ones remotely with live video feeds from compatible cameras. Record footage manually or automatically via motion detection, and receive instant notifications for peace of mind. Playback recorded videos directly on your smartphone or tablet. **Highlights:** Live video streaming, Motion detection recording, Manual video recording, Video playback, Push notifications, Easy setup **Features:** macOS Compatibility **In-app purchases:** none **What reviewers like** - 👍 Good picture quality (daytime) - 👍 Easy installation/setup (initially) - 👍 Attractive appearance (when working) - 👍 Useful for knowing when someone is breaking in (when alerts work) - 👍 Good customer support (rare instances) **What reviewers complain about** - 🐛 Motion detection unreliable - 🐛 Frequent connection issues - 🐛 App crashes frequently - 🐛 Cannot download/view videos - 🐛 Poor night vision **Reported bugs** - Motion detection notifications stopped - App keeps freezing - Cannot log in - App crashes when downloading/viewing videos - No router connection **Requested features** - Allow drawing motion mask instead of squares - Add option to change notification sound - Enable automatic recording on motion detection - Allow sliding zoomed image - Add rewind/scrubbing option for playback ### 3 [App page](https://appshunter.io/ios/app/3-link/id6449183038) Connect smart devices to your network for video recording and receive detection alerts. Enhance your home security by integrating additional smart devices. Get support via email for any assistance needed. **Highlights:** Smart device network connection, Video recording, Detection alerts, Security enhancement, Additional device integration **Features:** macOS Compatibility, Vision Pro support **In-app purchases (15)** | Purchase | Price | Billing | | --- | --- | --- | | cloud product 1 | $0.29 | one-time | | cloud 8.49 | $8.49 | one-time | | cloud 15.99 | $15.99 | one-time | | cloud 24.99 | $24.99 | one-time | | cloud single device discount | $29.99 | one-time | | cloud 34.99 | $34.99 | one-time | | cloud 39.99 | $39.99 | one-time | | cloud single device | $49.99 | one-time | | cloud 59.99 | $59.99 | one-time | | cloud 69.99 | $69.99 | one-time | | cloud no account | $79.99 | one-time | | cloud 89.99 | $89.99 | one-time | | cloud 99.99 | $99.99 | one-time | | cloud account no discount | $129.00 | one-time | | cloud 139.99 | $139.99 | one-time | **What reviewers like** - 👍 Easy setup and use - 🌟 Great video quality - 💰 Good value for price - 🔋 Solar power works well - 🏠 Useful for home security **What reviewers complain about** - 🐛 App crashes frequently - 🚫 Login button inaccessible - ⚠️ Subscription required for recording - 🪲 App glitches and bugs - 🔌 Connectivity issues **Reported bugs** - App crashes when creating an account - Login button is out of view and not clickable - Cannot log in after app update - App doesn't recognize connected devices - Data update failed and cameras lost **Requested features** - Allow multiple users to be logged in simultaneously - Fix scrolling issue on login screen - Improve motion detection accuracy - Allow manual recordings to be saved to SD card - Provide clear explanations for settings ## Frequently asked questions ### Is ALC SightHD free? ALC SightHD is free to download, with no in-app purchases. ### Is 3 free? 3 is free to download, with in-app purchases available. ### Which has better reviews, ALC SightHD or 3? 3 is rated higher. ALC SightHD averages 1.8 out of 5 from 114 ratings, while 3 averages 3.3 from 72 ratings. ### Do ALC SightHD or 3 have ads? Neither ALC SightHD nor 3 shows ads. ### Which is updated more often, ALC SightHD or 3? ALC SightHD ships an update every 4 months, and 3 every 3 weeks. Most recently, ALC SightHD was updated on October 26, 2026 and 3 on October 27, 2026. --- *Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*