10MB vs when
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
10MB
This app helps you understand where your time goes by tracking activities in 10-minute increments. Identify time sinks and reallocate your hours to priorities, making it easier to manage your schedule and achieve your goals.
- 10-minute time block tracking
- Identify time sinks
- Prioritize activities
- Simple interface
- Regain time control
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Time is the most important resource we have. And yet, it is often our biggest barrier. How many times have we complained about not doing something because we ran out of time in our busy schedules? There are 168 hours in a week. Assuming you sleep for 8 hours a day and work for 8 hours Monday-Friday, plus 2 hours of household chores (such as eating, shopping, cleaning, etc.) a day, you would still be left with 58 hours of free time in a week. That time can be spent doing anything you want, such as spending time with friends and family, exercising, or even simple leisure like TV or video games. So the math says that we have over a full work week to spend doing whatever we want, and yet it always feels like we don't have enough time. So where does this time go? Want to lose weight? Track how many calories you eat. Want to spend less money? Track how much you spend each week. Want to use your time better? Track how you are actually using it. Studies show that just the simple act of tracking a habit can lead to positive change, encouraging people to become more conscientious of the decisions they are making. The answer of where we actually spend our time varies for everyone, but one thing remains true for all of us: it is impossible to really know where our time goes without taking the effort to actually track it. 10MB was created so that people would be able to regain control of their time. The app was built under the premise that most of the things we do in a day can be tracked using ten minute blocks. By tracking how we actually spend every 10 minute block during our day, we can identify the hidden time sinks in our lives and use our time on activities that are actually a priority for us. 10MB makes this process as simple as possible, making it easy to select each block and choose its time category.
when
Easily calculate dates and durations with a smart, intuitive interface. Avoid errors with dedicated input pads and clear, readable fonts. Designed for quick and stress-free date calculations.
- Smart date and duration calculation
- Dedicated input pads for accuracy
- OCR font style for readability
- Quick error display
- Customizable icons (iOS 10.3+)
- Dark theme support
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Counting days and checking dates is surprisingly common in the workplace. However, it can be surprisingly stressful. This app calculates dates and durations easily and smartly with few operations. For those rare occasions, we have prepared a simple date calculator. . We are still trying our best to be ad-free. Achieve rapid results -. Use the Calendar PAD, Numeric PAD, Calendar PAD to set the date instead of rotating the date meter. ・The dedicated PAD prevents erroneous input and reduces input errors. - Show errors quickly. - Numbers are easy to read with OCR font style. About operation ・You can change by touching each item. ・To erase PAD, confirm with ENTER, input end, swipe down ・There is no calculation button. Notes about this app - before January 1, 1870. Round to January 1, 1870. ・When you press the calendar mark of the day of the week, the calendar PAD will appear. ・If the calculation result exceeds 9999 AD, the input value will be restricted. • Make the end of the month absurd (for example, 31st). The "months" displayed in the period calculation are calculated with the "months" up to the same day as the start date of the period. Months that do not have the same day as the start date are treated as "months" up to the last day. (The number of days in the month changes) Example) January 30, 2020 to March October 2020 = January 30th to February 29th → 1 month, February 29th to March 10th → 10th, March 3, 2020 to May 5, 2020 = March 3rd to May 5th → 2 months From May. 3rd to May 5th → 2 days *Excludes end date. About app settings Press the gear on the topscreen or go to [Settings] > [When] to open settings screen. About icons ・Icons can be changed on iOS 10.3 or higher ・If you switch the dark theme ON/OFF in the settings, the icon's color will change too.
Screenshots
Verdict
The clearest difference is ratings volume: 10MB at 8 against when's 1. when's advantage is iOS requirement (9.0 vs 15.0). On price, rating, 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for 10MB against 5.0 for when. That said, the two scores are not equally well evidenced: 10MB has 8 ratings behind it against 1, so its average is the more settled of the two.
10MB ships an update fortnightly, when every 10 days. The most recent releases landed on June 9, 2026 and June 4, 2026 respectively.
| Parameter | 10MB | when |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (8 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 — better | 1 |
| Update frequency | Fortnightly | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 41 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Xavier Polisetty | uto toshiki |
Customer experience
10MB
when
In-app purchases
10MB
No in-app purchases
when
No in-app purchases








