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Reusing the same packing list every time can be dangerous. Even on the same mountain, what you should carry is different in June, when snow still lies, and around the first snowfall in October. Yamajitaku builds the list from the altitude and the time of year, and warns you when your trip falls at a change of season.

The weather forecast is on the same screen too. It does not use your location (GPS); a mountain's coordinates come from the app's built-in data or are entered by hand.

The app's screens and content are in Japanese only, and it is sold on the Japanese App Store only.

An app for when your iPhone runs out of storage and you would rather not delete your memories to fix it. It re-creates photos and videos at a smaller size, cutting the space they take while leaving how they look almost unchanged.

One tap picks out only the items that would actually get smaller with the current settings, and shows you the number first — "About 3.2 GB will be freed." You decide whether to go ahead after seeing it. It can also tidy up bursts by keeping just one shot from each, trim the unwanted start and end off videos, and clear out similar photos, old screenshots and the motion part of Live Photos in one go. It makes no network connections at all.

An app for repeating the few seconds you can't catch until you can. Press A and B as you listen, and just the part between them plays over and over. A waveform is shown, so you can see where a vocal line or a line of dialogue starts while you set the points.

Speed goes from 0.5× to 2×, and the pitch does not change. A short pause (0.5 seconds by default) comes between repeats, so you can try saying it yourself right after you hear it. For pronunciation practice in a language, or for learning a part on your instrument by ear. It also works as an everyday music player: songs are sorted by artist and album using the information stored in them, and you can correct that information inside the app. Basic practice is free, and there are no ads. Automatic splitting by sentence, any number of sections and the equalizer are part of Pro (an in-app purchase). The only time it goes online is when you search for or download podcasts.

I think the reason a menu is hard to decide on is that there are too many choices. In this app you first decide on a "shape," such as ichiju-sansai (one soup, three dishes) or ichiju-nisai (one soup, two dishes). Once the shape is set, all that is left is filling it in.

Keep a dish you like and redraw only the rest. Plan several days at once and a shopping list is made at the same time, along with a rough guide to the ingredient cost and the cost ratio. It has 1,500 recipes built in and works offline.

The app's screens and content are in Japanese only.

You are standing in front of food you bought in bulk. Can this be frozen? Raw, or boiled first? Thaw it in the fridge, or cook it straight from frozen? I used to search for each of these separately every time; now they can be looked up for 181 foods.

Every step comes with an illustration. For foods that don't freeze well, it also explains why.

The app's screens and content are in Japanese only.

A nukadoko — a bed of fermenting rice bran used for pickling — gives back as much care as you put into it. The hard part is not the stirring itself, but remembering whether you have already stirred it today. Nuka Diary takes over that job of remembering. Open it, tap once, and you're done.

"It smells like paint thinner." "There's a white film on top." "It's gone too sour." Pick the symptom and you get the cause and the fix as numbered steps. The estimated time until your pickles are ready changes with the day's weather and where you keep the bed.

Splitting the bill on a trip abroad or a group trip is a chore because the amounts don't come down to simple division. The currency is different, a card fee is added, tax and tip come on top separately, and what's more, someone has paid for everyone.

SplitBill_EX calculates tax, tip and card fees in the order the card company actually bills them. Share a room ID and everyone on the trip can share the bills in real time. What you get at the end is just a list of who pays whom, and how much.

Counting stock, counting traffic, counting laps. At times like these, the biggest problem is that you can't press anything without looking at the screen. Counter1234 counts with the volume buttons, so you can keep your eyes on what you are doing, or even keep the phone in your pocket.

Counts can be saved under a name, and the records can be exported as CSV. You can also switch to a full-screen view that shows just the number, large.