Comparison

Fox Marine vs Captains Ledger

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

Head to head
About

Fox Marine

This app connects to marine engine gateways via Bluetooth to display real-time engine data on your iPhone or iPad. It offers table-format viewing with adjustable font sizes and the ability to read and clear engine codes.

Highlights
  • Bluetooth engine gateway connection
  • Real-time engine data display
  • Table view with adjustable font size
  • Read and clear engine codes
  • Supports various ECM models
Features
Read full description

The Fox Marine App connects to Fox Marine Engine Gateways via Bluetooth to display your boat's engine data on your iPhone or iPad. Engine Gateways are available for MEFI-1/2/3/4/5/6 ECMs, Motorola ECM/PCM 555 variants, ECM-07/08 (Volvo Penta 3G/4G, PCM/Crusader 3G/4G, Indmar 3G/4G, Ilmor 4G), and PCM-09. Engine data is viewable in table (list view) format with options for either normal font or large font size. The ability to read and clear engine codes is now available for all Engine Gateways. Fox Marine Engine Gateways are available at http://fox-marine.com. Data from twin engines cannot be viewed simultaneously with this App (users must switch between each engine on the engine gateway selection screen).

About

Captains Ledger

Features
Read full description

Captain’s Ledger is a digital boating logbook built for recreational boaters and mariners working toward a USCG captain’s license. Easily record your trips, vessels, time underway, and sea service in one organized place. Whether you simply want a better boating logbook or you’re building sea time toward an OUPV / Six-Pack or Master credential, Captain’s Ledger helps you keep accurate records and understand your progress. FEATURES • Log boating trips and sea service • Track multiple vessels • Record dates, hours, routes, and trip details • Monitor captain’s license progress • Track recent sea service • Keep vessel-specific sea-service history • Generate sea-service reports • Organize records for future USCG documentation • Review your boating history in one place PRO Captain’s Ledger Pro provides additional tools for mariners working toward professional credentials, including advanced sea-service tracking, license progress, recency monitoring, and reporting. PRO+ Captain’s Ledger Pro+ provides our most advanced trip-tracking features for serious boaters and mariners. Captain’s Ledger is designed to help you maintain your own boating and sea-service records. It does not determine eligibility for a USCG credential, and records generated by the app are not USCG approval or certification of sea service. Set up your vessel, log your first trip, and start building your Captain’s Ledger today.

Screenshots

Fox Marine2 screens
Captains Ledger4 screens

Verdict

The call

The clearest difference is price: Captains Ledger at Free against Fox Marine's $4.99. Fox Marine's advantage is device support (3 vs 1). On update cadence, ads, in-app purchases 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

Captains Ledger is free to download; Fox Marine costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Fox Marine versus Captains Ledger: the parameters behind the verdict, then further details
ParameterFox MarineCaptains Ledger
Price$4.99Free — better
Rating4.6 (11 ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings11 — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.4
Further details — not scored
Size1 MB68 MB
Age rating4+4+
DeveloperAllen MurrowGreg crook

In-app purchases

None

Fox Marine

No in-app purchases

None

Captains Ledger

No in-app purchases

Questions

Is Fox Marine free?
Fox Marine costs $4.99, with no in-app purchases.
Is Captains Ledger free?
Captains Ledger is free to download, with no in-app purchases.
Do Fox Marine or Captains Ledger have ads?
Neither Fox Marine nor Captains Ledger shows ads.
Which is updated more often, Fox Marine or Captains Ledger?
Fox Marine ships an update every 2 months, and Captains Ledger every 2 months. Most recently, Fox Marine was updated on November 1, 2026 and Captains Ledger on October 31, 2026.

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