Time Duration/Add Calculator vs From Time To Time
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.
From Time To Time
Calculate the duration or interval between two dates, or determine a future or past date by adding or subtracting a specified time. Supports years, months, days, hours, and minutes for precise calculations.
- Calculate duration between two dates
- Add/remove duration from a date
- Supports years, months, days, hours, minutes
- Precise interval calculations
- Date difference calculator
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Have you ever wondered what is the difference, the duration or the interval between two dates? Have you ever wondered what is the date, by adding/removing a duration to a date? Time To Time is your Dates Calculator, years, months, days, hours, or minutes between Two Dates (start and end dates) You can select calendar units as year, month, day, hour, or minute. https://jbstevenard.fr/privacy-policy/
Screenshots
Verdict
The clearest difference is review sentiment: From Time To Time at 100% against Time Duration/Add Calculator's 25%. From Time To Time also leads on rating (4.5 vs 1.0). Time Duration/Add Calculator's advantage is in-app purchases (none vs 2). On price, ratings volume, update cadence 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
Both are free to download. From Time To Time sells 2 in-app purchases, starting at $1.99 per month. Time Duration/Add Calculator asks for nothing beyond the download.
From Time To Time holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 25% of Time Duration/Add Calculator's written reviews are positive against 100% of From Time To Time's.
Both ship on a similar rhythm, roughly every 9 months. Both last shipped on November 3, 2026.
| Parameter | Time Duration/Add Calculator | From Time To Time |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.5 (2 ratings) — better |
| Positive reviews | 25.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 9 months | Every 9 months |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 17 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Kouji Yamauchi | JB STEVENARD |
Customer experience
Time Duration/Add Calculator
From Time To Time
In-app purchases
Time Duration/Add Calculator
No in-app purchases
From Time To Time
- Go Premium$1.991 Month
- Go Premium$12.991 Year
Questions
Is Time Duration/Add Calculator free?
Is From Time To Time free?
Which has better reviews, Time Duration/Add Calculator or From Time To Time?
Do Time Duration/Add Calculator or From Time To Time have ads?
Which is updated more often, Time Duration/Add Calculator or From Time To Time?
Other comparisons
