Compare KEEBD Fourier V1 Split vs Sofle V1 Differences Side by Side

This comparison is for DIY keyboard builders who want a compact split keyboard kit from KEEBD. The Fourier is a 13u wide staggered 40% split, while the Sofle is a 6x4+5 column-staggered ortho split with encoder support. Both are hot-swappable barebone kits requiring Pro Micro controllers, switches, and keycaps. The decision comes down to layout preference, as the Fourier offers a more traditional staggered feel in a very compact package, whereas the Sofle provides a column-staggered ortho layout with extra features like OLED displays and encoder support.

Model
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Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2021 Has Linear, Tactile switch options Includes screw-in stabilizers Made with a Acrylic, Plastic case	Released in 2022 Has Tactile switch options
Score	Scores Performance: 37.4 Build Quality: 45.6 Productivity: 54.6 Customizability: 63.6 Portability: 65.5	Scores Performance: 37.4 Build Quality: 41.5 Productivity: 46.3 Customizability: 53.9 Portability: 63.8
Name	Name KEEBD Fourier V1 Split	Name KEEBD Sofle V1
Release year	Release year 2021	Release year 2022
Switch Options	Switch Options Linear, Tactile	Switch Options Tactile
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size Other	Layout Size Other
Layout Standard	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Split	Layout Ergonomics Split
Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough
Connection	Connection	Connection
Polling Rate	Polling Rate -	Polling Rate -
Battery capacity	Battery capacity -	Battery capacity -
Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style -	Mount Style -
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight	Backlight
Case Colors	Case Colors	Case Colors
Case Material	Case Material Acrylic, Plastic	Case Material -
Keycaps Material	Keycaps Material -	Keycaps Material -
Dimensions	Dimensions -	Dimensions -
Weight	Weight -	Weight -

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Pros and Trade-offs

If you prefer a traditional staggered layout in the most compact split package, choose the Fourier. For column-staggered ortho with added OLEDs and encoder capabilities, the Sofle is the better fit. Both are excellent barebone kits for enthusiasts, but the Sofle offers more built-in functionality for daily productivity.

KEEBD Fourier V1 Split

+Compact 13u staggered 40% layout fits easily in a bag.
+Kit includes FR4 switch plates and acrylic bottom plates for a solid build.
+Comes with screw-in stabilizers and brass standoffs for better stability and modding.
+Higher modding potential with through-hole diodes and KEEBD-modified top-facing TRRS ports.

−No OLED or encoder support, limiting on-keyboard feedback and control.
−Only 4 rows of keys, which can feel cramped for users needing more keys without layers.

KEEBD Sofle V1

+Column-staggered ortho layout (6x4+5 keys) reduces finger stretching for ergonomic typing.
+Includes acrylic OLED covers and two OLED displays for visual feedback.
+Kit supports optional encoders for custom rotary controls.

−Larger footprint than the Fourier due to the extra row of keys and encoder area.
−Lower customizability score (53.9) and fewer included brass standoffs (14 vs 10 in Fourier).

Which Keyboard Is Better for Your Needs?

The Sofle wins for productivity-focused use cases like office, programming, and content creation, thanks to its column-staggered ortho layout, OLED displays, and encoder support. The Fourier takes the edge for modding and travel due to its compact staggered design and component versatility. Both tie for gaming as the core latency and polling behaviour is shared.

GamingTie

•Both use the same Pro Micro controllers and have no stated differences in latency or polling.
•The staggered layout of the Fourier may feel more familiar for WASD gaming.
•The Sofle's column stagger can offer a more ergonomic hand position for sustained play.

OfficeKEEBD Sofle V1

•The Sofle includes OLED displays and encoder support, which can aid in workflow and media control.
•Column-staggered ortho layout can reduce finger travel for typing-heavy office tasks.
•The Sofle kit includes rubber feet for desk stability.

ProgrammingKEEBD Sofle V1

•The Sofle's ortho column-staggered layout can improve coding efficiency by reducing finger stretch.
•Encoder support in the Sofle allows for custom macros or scrolling in code editors.
•Additional keys (6x4+5) compared to the Fourier's 4-row layout provide more programmable keys.

TravelKEEBD Fourier V1 Split

•The Fourier's 4-row, 13u wide layout is slightly more compact than the Sofle.
•The Fourier uses fewer components in the kit (fewer standoffs and screws), which simplifies transport and reassembly.

ModdingKEEBD Fourier V1 Split

•The Fourier kit includes FR4 switch plates and acrylic bottom plates, offering a solid base for modding.
•It comes with screw-in stabilizers and brass standoffs, which are modder-friendly components.
•The Fourier has a higher customizability score (63.6) compared to the Sofle (53.9).
•The kit includes through-hole diodes, giving hobbyists more soldering flexibility.

Content CreationKEEBD Sofle V1

•The Sofle's OLED displays can show system information or layer status for creative workflows.
•Encoder support allows for quick timeline scrubbing or volume adjustment.
•The column-staggered layout can reduce hand fatigue during long editing sessions.