Comparison

Data Manager vs MarTrust

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

Head to head
About

Data Manager

Monitor your cellular and Wi-Fi data usage in real time to avoid costly overage fees. This app provides alerts when you approach data limits and includes a speed test for your internet connection. It works with any provider and is designed for easy, background monitoring.

Highlights
  • Real-time cellular data monitoring
  • Wi-Fi data usage tracking
  • Customizable data usage alerts
  • Internet speed testing (download/upload/latency)
  • Background monitoring
  • App badge usage percentage
Features
Read full description

Data Manager - Data Usage with Speed Check Monitor the Data Usage and Speed on your device in Real Time for FREE. Stop paying overage fees! Data Manager will manage both Cellular (4G/LTE/3G/Edge/GPRS) and Wi-Fi data usage in real time from your device. This FREE app will let you be in control of your data usage to avoid the costly overage charges your provider may charge providing alerts when data usage reaches user thresholds. This app monitors data usage from the device itself and is not reliant on setting up or logging into your provider's server or web site. Data Manager also includes the ability to Speed Test your cellular or WiFi connection rate and response for you device. This simple, easy-to-use app provides consistent, accurate internet speed testing from any location. Data Usage Features include: - Monitor mobile Cellular data for all technologies (4G LTE 3G Edge GPRS etc.) int real time. - View the amount of internet data you use over your WiFi connection. - Simple and clear user interface with custom progress bar that graphically shows your data usage and predicted usage. - Works with ANY cellular provider in any country including AT&T, Verizon, Sprint, T-Mobile, Rodgers, Virgin Mobile, Orange, O2, etc. by reading data usage from the device. - Billing periods and quota limits can be configured on a monthly, weekly or custom time basis to match your providers billing schedule. - Works on any iOS device (iPhone/iPad/iPod Touch) running iOS 7.x or later. - Works in the background using battery efficient background monitoring in iOS 7 to monitor usage and notify users when data usage reaches configured limits. - App Badge Monitoring shows the % as a app badge without even opening the app. Advanced Data Usage Features: - Custom counters can be setup allow you to monitor usage during a certain period to help identify data hogging apps. Counters can be easily enabled or disabled and can even be configured to end at a predetermined time. - History graph shows previous data usage for each day. - Email your usage information at any time. Speed Check Features: – Simple, one button tap performs (or cancels) the tests. – Simple, easy-to-read tracking and reporting. – Testing features download rate, upload rate and latency (response) time. - Includes the number of hops/gateways between the mobile client and the server (Trace Route). - Works on either Cellular data from any carrier or when connected via WiFi. - Conveniently share results with others via email. - Testing servers located around the world for accurate results. – Unlimited on-the-go testing - mobile speed check. - Best of all it's FREE! Data Manager is a must have app for anybody on a restrictive data plan and to verify your network speed! Don't pay those expensive overage charges again.

About

MarTrust

A secure and easy-to-use payment account designed for maritime crew. Receive salary instantly, send money home with low fees, and spend globally with a debit card. Manage your finances efficiently at sea and on land.

Highlights
  • Instant salary reception
  • Low-fee money transfers
  • Global spending with debit card
  • 150+ countries supported
  • Secure card management
  • Competitive exchange rates
Features
Read full description

Get paid instantly, save more of your salary, and spend globally with MarTrust, the payment solution designed for crew. It’s free, secure and easy to get started. Trusted by over 45,000 crew worldwide, MarTrust allows you to manage your money efficiently and securely, both at sea and on land. — Send money home fast, for less— - Receive your salary instantly - Send money home directly, with no delays - Save more with transfer rates as low as 1% - Send money to 150+ countries in 135+ currencies — Spend with ease and convenience— - Use your MarTrust Debit Mastercard anywhere in the world - Spend in any currency, with instant conversion at competitive exchange rates - Avoid expensive money exchanges and leftover cash when travelling from port to port — Keep your money secure— - Protect your funds with a separate card balance from your main account - Freeze your card instantly if it's lost or stolen ______________________________________________ Getting started MarTrust is available to crew members whose employers use our service. Ask your employer to set up your MarTrust Account. Once they contact us, we’ll send you an invitation to register. If your employer does not currently work with MarTrust, you can tell them about us. ______________________________________________ Why Choose MarTrust? - Over 20 years of maritime payment expertise - Fully regulated by the UK Financial Conduct Authority - Backed by Mastercard’s fraud protection (Securecode)

Screenshots

Data Manager4 screens
MarTrust4 screens

Verdict

The call

The clearest difference is review sentiment: MarTrust at 78% against Data Manager's 35%. MarTrust also leads on rating (4.8 vs 2.7) and in-app purchases (none vs 1). Data Manager's advantage is iOS requirement (8.0 vs 15.0). On price, update cadence, ads and monetization model 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. Data Manager sells 1 one-off in-app purchase. MarTrust asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MarTrust holds the better App Store score, 4.8 against 2.7. Both are backed by a comparable volume of ratings — 9 and 28 respectively. Written reviews point the same way: 35% of Data Manager's written reviews are positive against 78% of MarTrust's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 23, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
Data Manager versus MarTrust: the parameters behind the verdict, then further details
ParameterData ManagerMarTrust
PriceFreeFree
Rating2.7 (9 ratings)4.8 (28 ratings) — better
Positive reviews34.8% of reviews77.8% of reviews — better
Number of ratings928 — better
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size10 MB18 MB
Age rating4+17+
DeveloperNutec Development, LLCMarTrust

Customer experience

Data Manager

All ratings9 ratings
Positive33.3%
Neutral11.1%
Negative55.6%
Written reviews66 reviews
Positive34.8%
Neutral16.7%
Negative48.5%

MarTrust

All ratings28 ratings
Positive96.4%
Neutral0.0%
Negative3.6%
Written reviews54 reviews
Positive77.8%
Neutral1.9%
Negative20.4%

Bugs and requests

Data Manager

Reported bugs

39 issues
  • Paid for upgrade, nothing changed
  • App shows more data usage than real
  • Speed test not working at all
  • App took money but still showed ads
  • Failed to run
Show 34 more
  • App shows double data usage
  • App crashes every time
  • App shows 30% more data than provider
  • App consistently uses more data than paid for
  • App is useless, not accurate
  • Calculations incorrect with iOS 11
  • Speed test doesn't work anymore
  • Always shows 2 as notification icon
  • Update reset rollover day
  • Counting data incorrectly (V 2.20)
  • Cellular usage spiraled after update
  • Latest update 2.2 rendered app useless
  • App works like iOS8 'occasionally'
  • Crashes on lookup of geographic location
  • Program does not record data usage
  • Download and upload are measured/displayed incorrectly
  • App crashes
  • What app measures is not what was used or seen on bill
  • App keeps requesting to upgrade again
  • Half downloaded and unable to delete
  • Turn off reset all
  • Ads in this version use your data
  • Stopped tracking for a day after iOS 8
  • No longer purchased no ad version
  • No adjustment allowed in custom counters
  • End date/time removed in custom counters
  • Stopped calculating after first month
  • Doesn't count data from other devices on shared plan
  • Doesn't work at all, doesn't monitor data correctly
  • Ads not removed after payment
  • App requires location services
  • Stuck flashing location services prompt
  • Did not get last set up
  • Doesn't recognize purchase, keeps showing ads

Requested features

11 requests
  • Fix speed test functionality
  • Improve data counting accuracy
  • Remove ads after purchase
  • Fix crash issues
  • Add graph for usage and days
Show 6 more
  • Fix calculation errors with iOS updates
  • Allow adjustment in custom counters
  • Fix rollover day reset
  • Fix notification issues
  • Allow disabling location services
  • Disallow data use after a certain amount

MarTrust

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Data Manager

One-time1
  • upgrade$1.99
None

MarTrust

No in-app purchases

Questions

Is Data Manager free?
Data Manager is free to download, with in-app purchases available.
Is MarTrust free?
MarTrust is free to download, with no in-app purchases.
Which has better reviews, Data Manager or MarTrust?
MarTrust is rated higher. Data Manager averages 2.7 out of 5 from 9 ratings, while MarTrust averages 4.8 from 28 ratings.
Do Data Manager or MarTrust have ads?
Neither Data Manager nor MarTrust shows ads.
Which is updated more often, Data Manager or MarTrust?
Data Manager ships an update every 3 weeks, and MarTrust every 3 weeks. Most recently, Data Manager was updated on October 23, 2026 and MarTrust on October 30, 2026.

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