Comparison

Time Duration/Add Calculator vs MamoLens

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

Head to head
About

Time Duration/Add Calculator

Easily calculate elapsed time between two points or determine an end time based on a start time and duration. It also converts time into various units like days, hours, minutes, and seconds.

Highlights
  • Calculate elapsed time from start and end times
  • Calculate end time from start time and elapsed duration
  • Display time between start and end dates/times
  • Convert time into days, hours, minutes, and seconds
  • Easily enter current time
  • Calculate time before a given duration
Features
Read full description

It is an application that can easily calculate the elapsed time from the time and the time from the elapsed time. You can also display the time between the start date and time and the end date and time in terms of hours, minutes, seconds, etc. ・Calculate from start time and end time Enter the start time and end time to calculate the elapsed time. Elapsed time can be checked in terms of hours, minutes, and seconds, and the current time can be easily entered. ・Calculated from start time + elapsed time Calculate the end time with the start time and elapsed time. You can also ask for the time before the elapsed time. ・Calculate from the start date and time and the end date and time Enter a start date and time and an end date and time to calculate the elapsed time. Elapsed time can also be checked in terms of hours, minutes, and seconds. ・Calculated from start date and time + elapsed time Enter the start date and time and elapsed time to calculate the end date and time. ・Time conversion The entered time is displayed in day/hour/minute/second, converted to days, converted to hours, converted to minutes, or converted to seconds. You can also convert 1000 seconds into minutes and seconds, or convert hours into days.

About

MamoLens

Features
Read full description

MamoLens is a security scanner app that instantly evaluates and scores the safety of any URL by simply scanning a QR code or reading text with your smartphone camera. Have you ever hesitated before opening a link on a poster, flyer, PC screen, or in a suspicious SMS? With MamoLens, you can detect dangerous sites—such as phishing scams, malware, and sophisticated fake websites—before you actually access them, preventing potential cyber threats. Protect your digital life stylishly with our intuitive and sleek cyberpunk-themed UI. [Key Features] ■ QR Code Scanner Scan QR codes in real-time to instantly check the safety of the embedded URL. ■ URL Text Recognition (OCR) Capture printed or on-screen URLs with your camera. The app recognizes the text and evaluates the link without the need for manual typing (manual entry via clipboard is also supported). ■ Advanced Safety Scoring (0-100) MamoLens comprehensively evaluates link safety using multiple powerful signals:  ・Checking against known threat databases (phishing, malware, etc.)  ・Analyzing domain registration info and age (RDAP)  ・URL syntax analysis and identifying dangerous Top-Level Domains (TLDs) ■ Brand Impersonation & Fake Site Detection Detects and warns you about sophisticated fake sites, including typosquatting and homograph attacks (using visually similar characters). ■ Offline Fallback Evaluation Even without a network connection, the app estimates the risk level using local signals like URL syntax and string characteristics. [Recommended For]  ・Anyone who wants to verify the safety of QR codes in public places before scanning.  ・People worried about clicking links in suspicious emails or SMS messages.  ・Security-conscious users looking to proactively block phishing and malicious websites.  ・Privacy first: Scan history is saved only on your local device. Camera feeds and OCR text are never sent to external servers.

Screenshots

Time Duration/Add Calculator4 screens
MamoLens4 screens

Verdict

The call

The clearest difference is in-app purchases: Time Duration/Add Calculator at none against MamoLens's 3. Time Duration/Add Calculator also leads on iOS requirement (13.0 vs 17.0). MamoLens's advantage is ads (none vs shown). On price and device support 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. MamoLens sells 3 one-off in-app purchases. Time Duration/Add Calculator asks for nothing beyond the download.

Scorecard3 real differences · 7 level
Time Duration/Add Calculator versus MamoLens: the parameters behind the verdict, then further details
ParameterTime Duration/Add CalculatorMamoLens
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews25.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 9 months—
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size17 MB77 MB
Age rating4+4+
DeveloperKouji YamauchiMendoxa LLC

In-app purchases

None

Time Duration/Add Calculator

No in-app purchases

3 purchases

MamoLens

One-time3
  • Small Tip (Buy me a coffee)$0.49
  • Great Tip (Buy me lunch)$2.99
  • Huge Tip (Full Support!)$5.99

Questions

Is Time Duration/Add Calculator free?
Time Duration/Add Calculator is free to download, with no in-app purchases.
Is MamoLens free?
MamoLens is free to download, with in-app purchases available.
Do Time Duration/Add Calculator or MamoLens have ads?
Time Duration/Add Calculator shows ads; MamoLens does not.

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