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Open a pencil case in any Japanese classroom or office. There is a good chance a Pilot Juice is inside, with its clear barrel and a colored clip that shows the ink shade at a glance.
Then there is the Juice Up, a darker, more grown-up pen from the same family. It carries the same name, so shoppers on Amazon.com often assume it is only a color or size variant. It is not. The tip inside is a different design.
We compared the Pilot Juice and the Juice Up on published Pilot specifications, refill data and current Amazon.com listings. This is a desk comparison of two gel pen lines, not a hands-on writing test.
Our Pick: Which Pilot Juice to Buy in 2026
Both lines use pigment gel ink that is water resistant once dry. The difference is the tip. The original Juice uses a cone tip. The Juice Up uses Pilot’s Synergy Tip, a hybrid of a thin pipe tip and a cone tip. All three sets below had a live price with an add-to-cart button when we checked:
- Pilot Juice 0.38 mm, 12-color set — about $12. The classic clear-barrel pen in the most colors for the money. The pick for color coding.
- Pilot Juice 038 black, 10-pack — about $11. The same pen in black only. The pick for a desk drawer or a classroom.
- Pilot Juice Up 04, 10-color set — about $17. The Synergy Tip pen with a matte barrel. The pick for small handwriting and planner boxes.
If you only buy one set, the Juice Up 04 is the better pen for fine writing. If you want the most colors per dollar, the Juice 0.38 12-color set wins.
Check price on Amazon: Juice Up 04 →
Same Family, Two Different Tips
Pilot Corporation was founded in Tokyo in 1918. In Japan it is the mass-market standard for gel pens, the brand sold at every convenience store next to Zebra and Uni. The Juice line arrived in the early 2010s as a cheerful, low-priced gel pen aimed at students. It became a fixture of Japanese stationery shops within a few years.
The Juice Up followed in 2016. Pilot gave it a new tip called the Synergy Tip. In Pilot’s own description, the tip combines a pipe tip suited to fine writing with a cone tip known for durability and a smooth feel. The thin pipe is thickened toward the rear to keep it from bending.
That is why the Juice Up is sold in 0.3, 0.4 and 0.5 mm sizes while the original Juice runs 0.38, 0.5, 0.7 and 1.0 mm. The two lines also take different refills. The Juice takes the LP2RF refill. The Juice Up takes the LP3RF refill, which also fits the newer Juice+ pen.
In Japanese shops the price gap is clear. A Juice sells for about 110 to 132 yen, a Juice+ for 165 yen and a Juice Up for 220 yen. On Amazon.com the gap is smaller per pen, but the Juice Up still costs more.
Pilot Juice 0.38 mm, 12-Color Set (Around $12 on Amazon)
The Juice is the pen most people picture when they hear the name. The barrel is clear so you can see the ink level. The clip, grip and knock are tinted to match the ink, which is how Japanese students tell a dozen pens apart in a case. The grip is soft rubber.
This 12-color set is the 0.38 mm version, model LJU120UF-12C. The colors run from red and coral pink through apple green, light blue, blue black and grape to black. On Amazon.com the set holds 4.5 stars from more than 5,300 ratings, by far the most of the three listings here.
The ink is pigment gel. Once dry it resists water, which matters for planners that live in a bag. Pilot sells the Juice in more than twenty colors in Japan, so this set is a starting point rather than the whole range.
The downside is the tip. A 0.38 mm cone tip puts a very small ball on the paper, so on rough notebook stock it can feel a little scratchy compared with the 0.5 mm Juice. Long-running pen blogs such as The Well-Appointed Desk make the same point. The matching black 10-pack, model LJU-10UF, is the budget route if you only need one color.
Check price on Amazon: Juice 12-color →
Black only: Pilot Juice 038 black 10-pack on Amazon →
Pilot Juice Up 04, 10-Color Set (Around $17 on Amazon)
Put the two pens side by side and the Juice Up looks like the office version. The barrel is matte black with a colored rubber grip and a small window for the ink color. It is the pen Pilot pitches to adults who want a tidy pen that still writes in color.
This set is the 0.4 mm version, model LJP-20S4, in ten colors: black, red, blue, blue black, green, orange, pink, violet, light blue and brown. On Amazon.com it holds 4.7 stars from more than 560 ratings, the highest average of the three listings.
The Synergy Tip is the reason to pay more. A pipe tip shows you exactly where the ball meets the paper, which helps when you write inside a small calendar box or between printed lines. The cone section behind it keeps the feel smooth rather than needle-sharp. Pilot describes the result as a dark, clear line.
The downside is cost. At about $1.70 per pen it is roughly 70 percent more than the Juice 12-color set per pen. The set also gives you ten colors rather than twelve. If you write large or mostly in black, the cheaper Juice does the same job.
Check price on Amazon: Juice Up 04 →
Compare the Three Sets
| Juice 0.38, 12 colors | Juice 038 black, 10-pack | Juice Up 04, 10 colors | |
|---|---|---|---|
| Price seen | ~$12 | ~$11 | ~$17 |
| Per pen | About $1.00 | About $1.10 | About $1.70 |
| Model | LJU120UF-12C | LJU-10UF | LJP-20S4 |
| Tip design | Cone tip | Cone tip | Synergy Tip (pipe + cone) |
| Line width | 0.38 mm | 0.38 mm | 0.4 mm |
| Sizes in the line | 0.38 / 0.5 / 0.7 / 1.0 | 0.38 / 0.5 / 0.7 / 1.0 | 0.3 / 0.4 / 0.5 |
| Ink | Pigment gel | Pigment gel | Pigment gel |
| Refill | LP2RF | LP2RF | LP3RF |
| Barrel | Clear, colored clip | Clear, black clip | Matte black, colored grip |
| Amazon rating | 4.5 (5,319) | 4.5 (300) | 4.7 (563) |
For planner and journal use the Juice Up 04 is the better buy. The pipe tip makes small writing easier to place and the matte barrel looks at home on a desk.
For color coding on a budget, or for a classroom supply, the Juice 0.38 12-color set gives the most colors per dollar. The black 10-pack is the cheapest way to try the Juice feel before you commit to a color set.
Refills and the Rest of the Juice Family in Japan
Japanese gel pens are built around refills, not disposables. A Juice body takes the LP2RF cartridge in its own size. A Juice Up body takes the LP3RF cartridge in 0.3, 0.4 or 0.5 mm. The two are not interchangeable, so note which line you own before ordering spares.
Pilot added a third member in Japan at the end of 2025. The Juice+ puts the Synergy Tip in a lighter, lower-priced body at 165 yen and shares the LP3RF refill with the Juice Up. It is not yet common on Amazon.com, which is why this comparison sticks to the two lines you can order today.
If you are choosing between brands rather than within Pilot, our Sarasa Clip vs Juice Up vs Signo comparison covers the three big Japanese gel pen makers. For the wider Pilot range, see Pilot vs Uni-ball. Our guide to Japanese stationery explains the refill culture in more depth.
Summary
The Pilot Juice and Juice Up share a name and a pigment gel ink but not a tip. The Juice is the clear-barrel cone-tip pen with the most colors for the money. The Juice Up adds the Synergy Tip for finer, more precise writing at a higher price per pen.
Prices are US dollar figures seen on Amazon.com at the time of writing. They change often.
Frequently Asked Questions
What is the difference between Pilot Juice and Juice Up?
The tip. The Juice uses a cone tip in 0.38 to 1.0 mm. The Juice Up uses Pilot’s Synergy Tip, a pipe tip backed by a cone, in 0.3 to 0.5 mm. The Juice Up also has a matte barrel and costs more.
Do Juice and Juice Up use the same refill?
No. The Juice takes the LP2RF refill. The Juice Up takes the LP3RF refill, which Pilot also lists for the Juice+ pen.
Is Pilot Juice ink waterproof?
Both lines use water-based pigment gel ink. Pilot describes it as water resistant once dry, which is why the pens are popular for planners and address writing.
Which is better for small handwriting?
The Juice Up. Its pipe-style tip shows the writing point clearly and the line comes out in 0.3 or 0.4 mm. The Juice 0.38 is also fine but can feel scratchier on rough paper.
What is the Pilot Juice+?
A newer Japanese-market pen launched in December 2025. It uses the Synergy Tip and the LP3RF refill in a lighter body priced between the Juice and the Juice Up. Availability on Amazon.com is still limited.