Home / Comparisons / Jibun Techo vs Hobonichi

Jibun Techo vs Hobonichi: Which Planner Fits Your Week?

Affiliate Disclosure: This site contains affiliate links. If you make a purchase through these links, we may earn a commission at no extra cost to you.

Choose Jibun Techo DIARY if your week is the main thing you plan. Choose Hobonichi Cousin if you want weekly planning and a full page for each day in the same book. Choose Jibun Techo DAYs if you want daily pages built around a central 24-hour timeline, without a separate weekly section. That's the useful comparison. "Jibun vs Hobonichi" is too broad until you name the books.

For 2027, both brands offer several formats. Mixing them up makes a comparison sound simple and a purchase go wrong. This guide compares published layouts and specifications, not an invented side-by-side writing test.

The three books worth comparing

DIARY is the standalone weekly book, often called Standard. The DIARY in the First Kit is the same book, bundled with LIFE and IDEA. DAYs is a different layout, not a premium version of the weekly planner.

Jibun DIARY vs Cousin: how much daily space will you use?

I'd start with a normal Wednesday. You have a few appointments, a deadline and five things to do. If those fit on a weekly spread, DIARY gives that spread the main job. Its monthly pages and project formats support it. You aren't buying a whole daily section just in case you might become a journaler.

The Cousin makes sense when Wednesday also needs meeting notes, a running task list or a journal entry. Its 2027 English edition has 544 pages, including daily pages and 106 weekly pages. The week gives you the overview; the daily page gives you somewhere to put the detail.

That distinction matters more than the cover. If you already keep long notes elsewhere, the Cousin may duplicate a notebook you like. If you want everything together, DIARY may leave you reaching for that other notebook anyway.

Compare Jibun Techo DIARY 2027 listings on Amazon →

Compare Hobonichi Cousin 2027 English listings on Amazon →

DAYs vs Cousin: structure or open space?

DAYs puts a 24-hour timeline down the center of its daily page. That leaves two sides you can give different jobs: appointments and tasks, work and home, plans and what actually happened. The division is already there. You don't need to draw it every morning.

The Cousin has a more open daily grid and keeps its vertical weekly schedule in a separate section. I'd lean toward it for longer writing, sketches or a mix of notes that doesn't want a line through the middle. I'd lean toward DAYs for a consistent two-column daily routine.

But DAYs doesn't have weekly spreads. Don't buy it as a smaller Cousin and discover that the section you relied on is missing. If the week view is non-negotiable, choose DIARY or keep the Cousin.

Look for Jibun Techo DAYs 2027 on Amazon →

A5 slim isn't A5

Kokuyo lists the 2027 A5 slim DIARY at 217 x 136 mm. Hobonichi lists the 2027 English Cousin book at 210 x 148 mm, 18 mm thick and about 445 g. The Jibun's listed footprint is taller and narrower, not simply a scaled-down Cousin.

Those are the makers' listed product dimensions. Don't treat them as a cover-fit guarantee: included outer materials and actual book measurements can differ. Check the exact planner and cover together. An A5 label by itself isn't enough.

If you write wide headings or paste tickets into a daily journal, the Cousin's broader page is worth thinking about. If the planner lives beside a keyboard, a narrower weekly format may be the better use of desk space.

The paper is different, not a contest with one winner

Hobonichi lists Tomoe River paper for the Cousin. Jibun DIARY and DAYs use Kokuyo's THIN PAPER. Jibun Biz uses MIO PAPER instead. None of those names should be used interchangeably.

Kokuyo describes MIO as designed for quicker drying and reduced show-through. That's a maker's description, not a measured drying-time result for your ink. A fine ballpoint, a wet fountain pen and a highlighter don't ask the same things of paper.

I'd choose the layout first, then test the pen you actually use. If a particular ink is the reason you buy Hobonichi, changing paper is a real change. For pen options, see our gel pen guide and fountain pen guide.

Do you need the First Kit?

Not necessarily. The First Kit bundles DIARY, IDEA and LIFE. IDEA is the separate memo notebook; LIFE is for longer-term personal records. The standalone DIARY is the same weekly planner you get in the kit.

Buy the kit because you want those extra books, not because the weekly planner is incomplete without them. Kokuyo says LIFE and IDEA can be combined with Standard and Biz, but not with Lite or DAYs. A photo of three books doesn't mean every Jibun edition supports the same setup.

What about the Original and Weeks?

The Cousin isn't the only Hobonichi. The A6 Original has daily pages but no weekly spreads. It is the more relevant starting point if you want a smaller daily journal and don't need the Cousin's week view.

The Weeks has a horizontal week on the left and memo space on the right. Compare it with Jibun DIARY if you are choosing between horizontal weekly planning and vertical time columns, not if you want a full page per day.

Our Weeks vs Cousin vs Original comparison covers those choices. The 2027 Hobonichi guide covers the current lineup.

Which one I'd buy

For a weekly work planner with notes kept elsewhere, Jibun DIARY. For appointments plus substantial daily notes in one book, Cousin. For a daily routine that needs two clear sides, DAYs.

I wouldn't buy all three to avoid deciding. Look at the last two weeks of your current planner. The pages you filled, and the pages you ignored, are a better buying guide than someone else's decorated spread.

Compare the total cost for the exact 2027 edition, including shipping and any cover or extra notebooks. No price or availability is assumed here. Amazon search results may mix years and formats, so check the listing title and page photos before buying.

Sources and edition notes

Checked October 15, 2026. Specifications refer to 2027 books unless stated otherwise. Primary sources: Kokuyo's 2027 range, 2027 DIARY A5 slim, DAYs, Biz, and Hobonichi's English Cousin, English Original and Weeks pages.