Date & Time Calculator(9 in 1)

• Price: $0.99

Last verified 31 Jul 2026

4.7 1911 ratings · App Store

1. 5/5Just The Thing

   As a writer, I'm always in the market for apps that can provide the one thing or two that you just don't realize would be handy until you see it. In terms of my writing life, this app is a fantastic tool for fact-preparation or even fiction brainstorming - and in terms of being just another dude with an iPad...well, it's simply wickedly cool. I know, I know...you're sayin' to yourself right now: "What would I really need this for?" Trust me...if you think you don't want this utility...just try it. You'll find out. This is one of about three apps I've ever used/owned/experienced that compelled me to MAKE A POINT of contacting people I know to see if they had heard about it yet. Kudos to the developer. Seriously.

   jmanstyle · 31 Jul 2026

2. 5/5Excellent Time Management App.

   Time management is a very important skill to have on the day to day, and this is one of the apps that helps me along the way. I consider this to be one of those “tools you never knew you needed until you see it”. I use this mainly for delegating my minutes and hours and help me stick to a schedule, but it can be used for many other purposes, I’d imagine. The layout is nice and it’s fairly simple to use. The iPhone X support is also promising because it means the developer will likely be updating the app and maybe adding new features in the future. I certainly hope so. It’s well worth the .99 cents.

   VKStarfox · 31 Jul 2026

3. 1/5NOT for Pilots! DON’T buy it until it is fixed.

   This app is not for pilots. We need to add multiple flights together and produce total hours and minutes. This app will not do this. If you want to add three series of flights together such as 21:48 + 18:33 + 9:19 = 49:40. This app will only add two of these trips together. When you do this you get a product in DAYS, Hours & Minutes. If you want to add three times you need to write down the product of the first two times then input this time and add the third time. The product of these times is again produced in DAYS, Hours & Minutes. This is totally in adequate for pilots who are trying to add total hours and minutes together and DON’T want them converted to days, hours & minutes. The input method is clumsy too. In order to input 21:48 + 18:33 you need to first select the hours field then input 21, then select the minutes field and input 48, then select the next hours field and input 18 and finally select another minutes field and input 33. When all of that is done you get a product that is in DAYS, hours and minutes and hopefully you don’t need to add any other times because the process will need to start all over again. This app needs to have a “lite” version so you can see the manner in which the app works before you commit to purchasing it.

   cjf49622 · 31 Jul 2026

4. 4/5Interesting and Useful

   Downloaded as a freebie. I work in a hospital as a case manager. Close to 100% of use will be devoted to adding days to current or a recent date. Spot on. The interface is on two levels. I like the type of menu selection scheme the developer chose. No mistaking what you want. Once in the calculator, it is equally clean in design and clear in purpose. I'd like to see a "Done" button on the number board to close. Touching off the keyboard accomplishes the same. Notwithstanding, I'd prefer a close and commit key. I certainly won't remove a star in the rating because of my quirky preference. This app is updated and improvements are likely to keep coming. That means this "Time Machine" will be sitting next to my computer at work. Good job.

   macinsetex · 31 Jul 2026

5. 5/5Almost perfect

   Fantastic app. The only things I'd like to see is being able to convert the number of hours to days on the travel distance sheet. I'd also like to see calculations saved in sessions so I don't have to scribble down on paper the results of the calculations. I'd also like to see more conversion options on the birthday tab. I think we could really benefit if we could get milliseconds in general as a conversion option as well. The more exacting the different modes of calculating time and length would go a long way to making this app the best on the market.

   TJwatch49 · 31 Jul 2026

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