Comparison

Ankerwache Pro vs Sailing Log

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ankerwache Pro

This app provides a reliable anchor alarm and management system for recreational boaters. It monitors your position to alert you of drift, allowing for safe nights at anchor. You can also save, share, and discover anchorages with other users.

Highlights
  • Reliable anchor alarm with drift detection
  • Save and manage anchorages with details
  • Rate, share, and discover anchorages
  • Mirror mode for multi-device monitoring
  • Apple Watch app for wrist alerts
  • Live status on Lock Screen and Dynamic Island
Features
Read full description

The anchor alarm for skippers and crew. This app combines an anchor alarm with anchor management in a simple and intuitive solution for recreational boats. Hi! I’m Frank – sailor, developer, and technology enthusiast. For over 25 years, I’ve spent my time both on the water and in front of a screen. From this experience, an anchor alarm was created that truly supports skippers and crews in everyday use – reliable, clear, and without unnecessary complexity. The idea: a practical app for recreational boats that helps you keep track of your anchorages and increases safety on board. No overloaded feature set, no complicated menus – just what you really need when anchoring. The anchor alarm supports you during your anchoring experience: • Safe nights at anchor: The anchor alarm monitors your position and reliably warns you in case of drift. • Mirror mode: Monitor the anchor alarm simultaneously on multiple devices. • Apple Watch app: Anchor status and alarms directly on your wrist. • Live status: Active anchor alarm visible on the Lock Screen and in the Dynamic Island. • Save and manage anchorages: With additional information such as water depth or special experiences. • Rate, share, and discover anchorages: Exchange experiences with other skippers. Let’s make anchoring safer and smarter together. Thank you for taking a look at my anchor alarm – I wish you many safe and unforgettable moments on the water! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.ankerwache.info/datenschutzerklarung/

About

Sailing Log

Features
Read full description

Sailing Log – din digitale logbog og flåde-radar Sailing Log gør din telefon til et komplet instrument på vandet. Optag hver sejltur automatisk, følg dine venner live på kortet, og saml alle dine sejladser i én elegant logbog. Uanset om du tager en aftentur fra hjemhavnen eller sejler på langfart, har du overblikket lige ved hånden. SÅDAN VIRKER DET Optag dine sejlture Tryk "Start Sejlads", så registrerer appen automatisk din rute, distance i sømil, sejltid, gennemsnitsfart og topfart – og gemmer hver tur i din logbog. Optagelsen kører videre i baggrunden, mens du sejler. Live sejler-instrument Se de vigtigste tal i realtid: aktuel fart (SOG), kurs (COG), position og GPS-signal – stort, klart og letlæseligt, så du kan aflæse det med et enkelt blik. Se dine venner live Tilføj dine sejler-venner og følg hinanden live på søkortet. Du bestemmer selv, om din båd skal være offentligt synlig for alle sejlere eller kun for dine venner – og du kan altid slå deling fra. Din logbog Alle dine ture samlet ét sted med kort, statistik og detaljer. Se en enkelt tur, eller læg alle dine sejladser sammen på ét samlet kort. Delt logbog Del din logbog med udvalgte venner, så de kan følge med i dine ture. Perfekt til sejlklubben, familien eller besætningen. Find både og venner Søg efter både på bådnavn eller skipper – eller find alle både med samme hjemhavn som dig. Vælg din egen hjemhavn blandt hundredvis af danske havne. Konkurrencer Udfordr dine venner i en dyst om, hvem der sejler flest sømil inden for en valgt periode. Følg stillingen live med medaljer til de forreste. Gense dine ture Afspil en animation af din rute, hvor farven viser, hvor stærkt du sejlede undervejs – grøn, gul og rød alt efter farten – med en fart-boble der følger båden. BYGGET TIL SEJLERE Sailing Log er til dig, der vil have styr på din sejlads, dele oplevelsen med andre og få lidt sund konkurrence med på turen – i et rent, gennemtænkt design. PRIVATLIV & SIKKERHED Du styrer selv din synlighed og kan til enhver tid slette din konto og alle dine data direkte i appen. Data opbevares sikkert i EU. Udviklet af Beyond Vision. God vind!

Screenshots

Ankerwache Pro4 screens
Sailing Log4 screens

Verdict

The call

The clearest difference is in-app purchases: Sailing Log at none against Ankerwache Pro's 2. Ankerwache Pro's advantage is update cadence (every 6 days vs every 2 weeks). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Ankerwache Pro sells 2 in-app purchases, starting at $8.99 per year. Sailing Log asks for nothing beyond the download.

UpkeepUpdate frequency

Ankerwache Pro ships an update every 6 days, Sailing Log every 2 weeks. The most recent releases landed on October 16, 2026 and October 29, 2026 respectively.

Scorecard2 real differences · 6 level
Ankerwache Pro versus Sailing Log: the parameters behind the verdict, then further details
ParameterAnkerwache ProSailing Log
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 6 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS17.617.6
Further details — not scored
Size29 MB8 MB
Age rating4+4+
DeveloperFrank UrbanowitzSebastian Krogh Melgaard

In-app purchases

2 purchases

Ankerwache Pro

Subscriptions1
  • Yearly$8.991 Year
One-time1
  • Buy$17.99
None

Sailing Log

No in-app purchases

Questions

Is Ankerwache Pro free?
Ankerwache Pro is free to download, with in-app purchases available.
Is Sailing Log free?
Sailing Log is free to download, with no in-app purchases.
Do Ankerwache Pro or Sailing Log have ads?
Neither Ankerwache Pro nor Sailing Log shows ads.
Which is updated more often, Ankerwache Pro or Sailing Log?
Ankerwache Pro ships an update every 6 days, and Sailing Log every 2 weeks. Most recently, Ankerwache Pro was updated on October 16, 2026 and Sailing Log on October 29, 2026.

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