Compare KEEBD Reviung 39 II vs Reviung 41 Differences Side by Side

This comparison is for builders deciding between two extremely similar column-staggered DIY keyboard kits from KEEBD. The choice is difficult because the Reviung 39 MKII and Reviung 41 share the same core components, build process, and feature set. The primary decision hinges on a subtle difference in key count and layout philosophy, making it a matter of personal preference for layers and key placement.

Model
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Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	No unique differences found	No unique differences found
Score	Scores Performance: 41.9 Build Quality: 44.5 Productivity: 49.3 Customizability: 74.9 Portability: 64.2	Scores Performance: 41.8 Build Quality: 44.3 Productivity: 49.2 Customizability: 74.8 Portability: 64
Name	Name KEEBD Reviung 39 II	Name KEEBD Reviung 41
Release year	Release year 2021	Release year 2021
Switch Options	Switch Options Tactile	Switch Options Tactile
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 40%	Layout Size 40%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal
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 Rgb	Backlight Rgb
Case Colors	Case Colors	Case Colors
Case Material	Case Material Acrylic, Plastic	Case Material Acrylic, Plastic
Keycaps Material	Keycaps Material -	Keycaps Material -
Dimensions	Dimensions -	Dimensions -
Weight	Weight -	Weight -

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Pros and Trade-offs

Select the Reviung 41 if you value having two additional physical keys to potentially simplify your layer mappings. Opt for the Reviung 39 MKII if you want the most minimalist footprint possible. Be prepared to source all electronic components and keycaps for either, as they are true DIY kits.

KEEBD Reviung 39 II

+Ultra-compact 39-key layout maximizes desk space.
+Includes FR4 switch plate and acrylic bottom plate for a firm typing feel.
+Kailh hot-swap sockets and support for screw-in stabilizers ease assembly.
+Supports optional rear-facing RGB LEDs for underglow lighting.

−Requires sourcing a Pro Micro controller, switches, and keycaps separately.
−The 39-key layout demands heavy reliance on layers for daily use.
−No included stabilizers or LEDs in the base kit.

KEEBD Reviung 41

+41-key layout offers two more keys than the Reviung 39 for slightly easier layer access.
+Includes an FR4 switch plate for consistent mounting.
+Features the same Kailh hot-swap sockets and stabilizer support as the Reviung 39.
+Also compatible with optional WS2812B RGB LEDs for customization.

−Also a barebones kit, requiring a separate controller, switches, and keycaps.
−The vendor description notes a customer review mentioning it does not come with LEDs or extra plates.
−Still a 40% keyboard, lacking dedicated number and navigation rows.

Which Keyboard Is Better for Your Needs?

The Reviung 41 holds a slight edge for office and programming use due to its two extra keys, which can reduce layer complexity. For travel, the Reviung 39 MKII's minimalism is a minor advantage. For gaming, modding, and content creation, the kits are functionally equivalent, with the choice boiling down to key count preference within an otherwise identical DIY platform.

GamingTie

•Both require extensive layer usage for gaming keys due to their 40% size.
•Identical hot-swap sockets allow for the same switch choices.
•No inherent latency or polling rate advantages are stated for either model.

OfficeKEEBD Reviung 41

•The Reviung 41 has two additional keys, potentially reducing layer taps for numbers or symbols.
•Both lack dedicated navigation clusters, requiring layers for arrow keys.
•Identical acrylic and FR4 construction offers similar typing sound profiles.

ProgrammingKEEBD Reviung 41

•The extra two keys on the Reviung 41 can be mapped to brackets, braces, or other frequently used symbols.
•Both kits support fully customizable firmware for complex layer setups.
•The column-staggered layout may aid ergonomics during long coding sessions.

TravelKEEBD Reviung 39 II

•The Reviung 39 MKII is marginally more compact with 39 keys versus 41.
•Both share the same acrylic case construction and portability footprint.
•Neither kit includes a battery or wireless capability, requiring a wired connection.

ModdingTie

•Both include Kailh hot-swap sockets, screw-in stabilizer support, and an FR4 plate.
•Both support adding optional rear-facing WS2812B RGB LEDs.
•Identical acrylic case and plate materials provide the same modding foundation.

Content CreationTie

•Both lack dedicated function rows or media keys, relying on layers for shortcuts.
•The vendor lists identical optional 2u clip-in stabilizers for a spacebar.
•The same hot-swappable PCB allows for tuning switch feel to preference.