# HoldFast Anchor Alarm — Anchor drag alarm for sailors > Subscription-free anchor alarm and tracking for sailors with optional pro features. (iPhone/iPad app by Adam Harvey.) - Source: https://appshunter.io/ios/app/holdfast-anchor-alarm/id6761567740 (this page in markdown: same URL + `.md`) - Developer: [Adam Harvey](https://appshunter.io/developer/1890289893) - Category: Navigation, Utilities - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 15.1 · 46 MB - Languages: American English - Released: 2026-04-16 - Data updated: 2026-09-02 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/holdfast-anchor-alarm/id6761567740/reviews.md ## What is HoldFast Anchor Alarm? Anchor with confidence — and actually sleep. HoldFast keeps a constant GPS watch on your boat and sounds a loud alarm the instant it starts to drag — even with the screen off. The core anchor alarm is free, built by sailors for sailors. SET IT. FORGET IT. SLEEP. • Drop anchor — tap your position, or offset to the exact bow location • Set your swing — adjust the watch radius from 5m to 200m • Rest easy — HoldFast keeps watch in the background while you sleep TRUSTED ANCHOR MONITORING — FREE ROCK-SOLID BACKGROUND TRACKING — An optimized GPS engine stays awake with the screen off. If your boat moves, you'll know. NO FALSE ALARMS — You set the GPS-signal-loss threshold, from 30 seconds to several minutes. No more 3 AM "ghost" alerts. PROGRESSIVE ALARMS — A gentle nudge as you near the boundary, then a loud emergency alarm if you've truly broken free. You're warned early, not too late. NIGHT-VISION DARK MODE — Keeps your cockpit dark and your night vision intact. HOLDFAST PREMIUM Unlock the extras when you're ready — choose an annual plan, or pay once for lifetime access. CUSTOM ALARM ZONES — Draw a shape around rocks, shallows, or moorings instead of a plain circle. REMOTE WATCH — Share a private live link so family or crew ashore can track your position in real time from any web browser. GPS TRACK HISTORY — Replay exactly how your boat swung through the night on a colour-coded track. CUSTOM ALARM TONES — Choose a piercing tone that's guaranteed to wake you. PRIVATE BY DESIGN No account to create. No data collection. No internet required for core alarm functions — the watch runs entirely on your device. Download HoldFast and take the stress out of the anchorage. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ## Key features - Background GPS tracking - Customizable anchor zone radius - Dual-stage progressive alarms - Night-vision friendly dark mode - Remote watch link sharing - GPS track history - Custom alarm zone drawing ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | HoldFast Premium | $4.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | HoldFast Anchor Alarm | $9.99 | one-time | ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/holdfast-anchor-alarm/id6761567740/reviews.md ### 5/5 — The best anchor alarm app! *2026-04-28* A great app that is intuitive to use and will allow a good nights sleep whilst the boat is at anchor. Recommended! ### 5/5 — Great app! *2026-04-19* Brilliant app. Using this, in combination with my other instruments, just gives me a bit of extra confidence remaining at anchor! Wish I’d had this sooner! **Developer response:** Thanks so much for the kind words! That’s exactly what we hoped for—an extra layer of confidence when you’re at anchor. Really glad it’s working well alongside your other instruments. Appreciate you taking the time to share this! ### 5/5 — Awesome anchor alarm! *2026-04-19* A well thought out app that combines all of the good features of other anchor alarm apps. 5 stars!! **Developer response:** Thanks so much for the 5 stars! We’re really pleased to hear you feel it brings together the best features—exactly what we set out to do. Appreciate you taking the time to share this, and happy anchoring! ## Frequently asked questions about HoldFast Anchor Alarm ### What is HoldFast Anchor Alarm? HoldFast Anchor Alarm is a navigation app designed for sailors to monitor their anchor position. It offers background tracking, customizable alerts, and a night-vision mode to ensure a peaceful rest. ### How does HoldFast Anchor Alarm work? You set your anchor drop point and a desired radius, and the app monitors your boat's position in the background. It provides progressive alarms if you drift too far or break free from your set zone. ### Does HoldFast Anchor Alarm have subscriptions? No, HoldFast Anchor Alarm is subscription-free. The core alarm functions are available with a one-time purchase for pro features, and no monthly fees are required. ### What are the pro features of HoldFast Anchor Alarm? Pro features include remote watch to share your live position, GPS track history to review your boat's movement, custom alarm zone drawing, and audible alarm customization. ### Can HoldFast Anchor Alarm be used without an internet connection? Yes, the core alarm functions of HoldFast Anchor Alarm do not require an internet connection, making it reliable even in areas with poor connectivity. ### What devices support HoldFast Anchor Alarm? HoldFast Anchor Alarm is supported on iPhone and iPad devices. It is designed for iOS. ### How often is HoldFast Anchor Alarm updated? The app was last updated on May 21, 2026, with version 1.0.4. Updates typically include bug fixes and performance enhancements to ensure reliability. ### What is the age rating for HoldFast Anchor Alarm? HoldFast Anchor Alarm has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content. ## Version history (last 5 releases) ### 1.0.7 — 2026-07-10 • New: "Have a code?" — redeem a discount or membership code right inside the app. Just tap it on the Premium screen. • More reliable unlocking: premium features now activate promptly after a purchase or code redemption. • Stability improvements and minor refinements. Fair winds and secure holding. Thanks for using HoldFast! ### 1.0.6 — 2026-06-30 New launch screen • Improved guided tour • More reliable Remote Watch • Bug fixes and refinements ### 1.0.4 — 2026-05-21 Under-the-hood improvements to GPS tracking for a smoother, more reliable anchor watch experience. ### 1.0.3 — 2026-05-05 Added annual subscription option. Bug fixes and improvements. ### 1.0.2 — 2026-04-21 Stability & UI improvements Fixed a bug where the alarm could continue running after the app was closed Refined the interface for faster access to key controls at anchor General reliability improvements ## Apps similar to HoldFast Anchor Alarm | App | Rating | Price | Category | | --- | --- | --- | --- | | [Safety Anchor Alarm](https://appshunter.io/ios/app/safety-anchor-alarm/id6756064994) | 3.0 (2) | Free | Navigation | | [Anchor Easy: GPS Anchor Alarm](https://appshunter.io/ios/app/anchor-easy-gps-anchor-alarm/id6752243066) | — | Free | Navigation | | [AnchorSafe - Anchor Alarm Pro](https://appshunter.io/ios/app/anchorsafe-anchor-alarm-pro/id6744550701) | 5.0 (3) | Free | Navigation | | [DriftWatch](https://appshunter.io/ios/app/driftwatch/id1001235751) | — | Free | Navigation | | [NautNav](https://appshunter.io/ios/app/nautnav/id6762306465) | — | Free | Navigation | | [Ankerwache Pro](https://appshunter.io/ios/app/ankerwache-pro/id6737927360) | — | Free | Navigation | ## More apps by Adam Harvey - [Apparent Wind Calculator](https://appshunter.io/ios/app/apparent-wind-calculator/id6765800086) All apps by Adam Harvey: https://appshunter.io/developer/1890289893 ## Related topics [holdfast anchor alarm](https://appshunter.io/ios/topics/holdfast-anchor-alarm) · [anchor zone alarm](https://appshunter.io/ios/topics/anchor-zone-alarm) · [free anchor alarm](https://appshunter.io/ios/topics/free-anchor-alarm) · [anchor panic](https://appshunter.io/ios/topics/anchor-panic) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-02.*