One of the most popular questions we get asked here at Unsharpen.com is which pens people should buy, specifically which fountain pens under $100. This guide will attempt to help people with this popular problem.
The Best Fountain Pens Under $100

One of the most popular questions we get asked here at Unsharpen.com is which pens people should buy, specifically which fountain pens under $100. This guide will attempt to help people with this popular problem.
The Twsbi Micarta is a fountain pen that is currently out of a production but is highly coveted by some fountain pen enthusiasts despite known issues.
The Rotring 600 is a wonderful pen and an icon of writing instrument design. That said, it’s not for everyone. So if you want a pen like the Rotring 600 but different, what should you get?
If you are in the market for an entry-level to mid-range fountain pen then Twsbi is a great option. The company has a number of strong offerings in the sub-$100 range, including very competitive pricing bands, like $20-30, where big players like Pilot might seem like the obvious option.
Read on to learn about the best Twsbi pen for you.
The Twsbi Diamond Mini is a mid-range fountain pen that is basically a smaller version of the company’s Diamond 580.
The Twsbi Precision is an all-metal ballpoint pen that is a competitor to the Rotring 600 and Caran D’Ache 849.
The Twsbi Diamond 580 is a mid-range, piston-filling fountain pen with a stainless steel nib and a handsome, faceted body. This pen is one step up in price and features from the more-popular Tswbi Eco.
Twsbi’s Vac700R is a mid-priced vacuum-filling fountain pen. It’s the larger sibling of the Vac Mini.
The Twsbi Vac Mini is a small, vacuum-filled fountain pen that is known for its reasonable price and build quality.
The Twsbi Eco is a plastic body, steel nib fountain pen that retails for just under $30. The pen is known for its excellent build quality and writing that matches the experience of pens that cost easily twice as much while remaining very affordable. The Eco is a piston-filled pen that does not use a converter or cartridges. As a bonus, the piston mechanism is fully user-serviceable and the pen even includes the tools necessary to remove the piston from the body (for replacement or cleaning).
The Twsbi Go is an entry-level fountain pen. It has the same nib as the more popular Tswbi Eco, but uses a simpler filling mechanism.