Comparison

CS710S RFID Reader ObjC vs Marine Metrics

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

Head to head
About

CS710S RFID Reader ObjC

Features
Read full description

RFID Reader Program for CS710S

About

Marine Metrics

Features
Read full description

Marine Metrics is a clean, dark tide app for surfers, anglers, boaters, kayakers and anyone who plans around the water. Open it and you see where the tide is now, whether it is rising or falling, and when the next high and low arrive. Drag across the curve to read the height at any hour. TIDES FOR ANY COAST • Tide heights, high and low times, for almost any coastal point in the world • United States waters are predicted from NOAA's official tide stations • Everywhere else is covered by a worldwide harmonic tide model • Inland? The app finds the nearest coast for you and says how far away it is A CHART YOU CAN READ • A smooth tide curve with a NOW marker • Drag along the chart to read the height and trend at any hour • A 24-hour profile for each day, with every high and low marked THE REST OF THE DAY • Sunrise and sunset • Sea-surface temperature from NOAA satellite observations • An hourly table of tide height, trend, wind speed and wind direction YOUR SPOTS • Search beaches, harbours, marinas and towns by name • See tide spots near you • Save your favourites for one-tap access • Set a spot to open on launch, or use your location YOUR UNITS • Feet or metres, °F or °C, and knots, mph or km/h PRIVATE • No account and no sign-in • No ads, no analytics and no tracking • Location is optional and rounded to about a kilometre before it is used MARINE METRICS PRO Everything above is free. Pro adds: • A 7-day tide outlook (free shows today) • Home Screen widgets: the next high or low, and today's tide curve • Up to 20 saved spots (free keeps 3) • Alternate app icons Pro is an auto-renewing subscription, billed monthly or yearly. A free trial may be available for new subscribers. Payment is charged to your Apple Account when you confirm the purchase, or when the free trial ends. The subscription renews automatically unless you cancel at least 24 hours before the end of the current period. Manage or cancel it anytime in your App Store account settings. Pro supports Family Sharing. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lhennessy.github.io/marinemetrics-legal/ IMPORTANT: Tide heights and times are predictions from a harmonic model, not live measurements. Actual water levels can differ because of weather, storm surge and local conditions. Marine Metrics is for general information only. It is not navigational data. Do not use it for navigation or for decisions affecting safety at sea.

Screenshots

CS710S RFID Reader ObjC4 screens
Marine Metrics4 screens

Verdict

The call

The clearest difference is in-app purchases: CS710S RFID Reader ObjC at none against Marine Metrics's 2. CS710S RFID Reader ObjC also leads on device support (3 vs 1) and iOS requirement (15.6 vs 26.4). Marine Metrics's advantage is update cadence (every 2 days vs every 7 months). On price and ads 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. Marine Metrics sells 2 in-app purchases, starting at $2.99 per month. CS710S RFID Reader ObjC asks for nothing beyond the download.

UpkeepUpdate frequency

CS710S RFID Reader ObjC ships an update every 7 months, Marine Metrics every 2 days. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

Scorecard4 real differences · 2 level
CS710S RFID Reader ObjC versus Marine Metrics: the parameters behind the verdict, then further details
ParameterCS710S RFID Reader ObjCMarine Metrics
PriceFreeFree
Update frequencyEvery 7 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better26.4
Further details — not scored
Size3 MB12 MB
Age rating4+4+
DeveloperCSLKurmudgeon

In-app purchases

None

CS710S RFID Reader ObjC

No in-app purchases

2 purchases

Marine Metrics

Subscriptions2
  • Tides Pro Monthly7 Days trial$2.991 Month
  • Tides Pro Annual14 Days trial$17.991 Year

Questions

Is CS710S RFID Reader ObjC free?
CS710S RFID Reader ObjC is free to download, with no in-app purchases.
Is Marine Metrics free?
Marine Metrics is free to download, with in-app purchases available.
Do CS710S RFID Reader ObjC or Marine Metrics have ads?
Neither CS710S RFID Reader ObjC nor Marine Metrics shows ads.
Which is updated more often, CS710S RFID Reader ObjC or Marine Metrics?
CS710S RFID Reader ObjC ships an update every 7 months, and Marine Metrics every 2 days. Most recently, CS710S RFID Reader ObjC was updated on October 25, 2026 and Marine Metrics on October 17, 2026.

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