Time Duration/Add Calculator vs Add Times
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Add Times
This utility app simplifies time calculations by adding hours and minutes. It's ideal for logging machine running times, flight logs, or driving durations. The app is free, open-source, and prioritizes user privacy by not collecting data.
- Adds hours and minutes
- Records machine running times
- Calculates flight times
- Logs driving durations
- Free and open-source
- Non-commercial
- No user data collection
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Add Times is a simple calculator app that adds times given in hours and minutes. It helps with the recording of machine running times, with the addition of flight times in your pilots' flight log, or your driving times as a truck driver. The app is free, open source, 100% non-commercial and does not collect user data.
Screenshots
Verdict
The clearest difference is review sentiment: Add Times at 100% against Time Duration/Add Calculator's 25%. Add Times also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 9 months). On price, in-app purchases, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Time Duration/Add Calculator ships an update every 9 months, Add Times every 3 weeks. Both last shipped on November 3, 2026.
| Parameter | Time Duration/Add Calculator | Add Times |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 25.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 17 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Kouji Yamauchi | Akademische Fliegergruppe Freiburg i. Br. e. V. |
Customer experience
Time Duration/Add Calculator
Add Times
In-app purchases
Time Duration/Add Calculator
No in-app purchases
Add Times
No in-app purchases
Questions
Is Time Duration/Add Calculator free?
Is Add Times free?
Do Time Duration/Add Calculator or Add Times have ads?
Which is updated more often, Time Duration/Add Calculator or Add Times?
Other comparisons
